RM35X0E _57 Power Source / Network _078518 NETWORKING _0381088 CAN COMMUNICATION SYSTEM J

NETWORKING  CAN COMMUNICATION SYSTEM  Check Bus 3 Line  


DESCRIPTION

Symptom Trouble Area

*1: for Radio and Display Type

*2: w/ Telematics System

There are ECUs or sensors that display a communication stop on the bus diagnostic screen. Or, there are ECUs or sensors that store a communication stop history on the "Detail" screen.
·

CAN main bus lines or connector

·

Central gateway ECU (network gateway ECU)

·

Radio and display receiver assembly*1

·

Telematics transceiver*2

·

No. 7 CAN junction connector



WIRING DIAGRAM

C413729
3.177,2.552 3.792,2.75 0.615,0.198 10 false N127 3.177,2.74 4.406,3.104 1.229,0.365 10 false No. 7 CAN Junction Connector 3.396,0.271 4.01,0.469 0.615,0.198 10 false 11 3.396,0.667 4.01,0.865 0.615,0.198 10 false 22 4.052,0.271 4.667,0.469 0.615,0.198 10 false 9 4.052,0.656 4.667,0.854 0.615,0.198 10 false 20 5.344,0.917 6.167,1.208 0.823,0.292 10 false O7 5.344,1.073 7.042,1.635 1.698,0.563 10 false Radio and Display Receiver Assembly*1 0.135,3.188 3.01,3.458 2.875,0.271 10 false *1: for Radio and Display Type 6.031,0.781 6.646,0.979 0.615,0.198 10 false CANL 6.031,0.385 6.646,0.583 0.615,0.198 10 false CANH 5.771,0.271 6.385,0.469 0.615,0.198 10 false 13 5.771,0.677 6.385,0.875 0.615,0.198 10 false 14 0.885,1.854 1.5,2.052 0.615,0.198 10 false CAYH 0.875,2.438 1.49,2.635 0.615,0.198 10 false CAYL 1.365,1.865 1.979,2.063 0.615,0.198 10 false 19 1.375,2.25 1.99,2.448 0.615,0.198 10 false 20 3.406,2.271 4.021,2.469 0.615,0.198 10 false 21 3.406,1.854 4.021,2.052 0.615,0.198 10 false 10 4.042,2.25 4.656,2.448 0.615,0.198 10 false 19 4.073,1.865 4.688,2.063 0.615,0.198 10 false 8 5.385,2.667 6.635,3.01 1.25,0.344 10 false N209*2, N164*3 5.781,1.865 6.396,2.063 0.615,0.198 10 false 25 5.76,2.24 6.375,2.438 0.615,0.198 10 false 26 6.042,2.354 6.656,2.552 0.615,0.198 10 false CANN 6.031,1.979 6.646,2.177 0.615,0.198 10 false CANP 5.406,2.865 7.052,3.229 1.646,0.365 10 false Telematics Transceiver*4 0.135,3.51 2.146,3.76 2.01,0.25 10 false *2: for ERA-GLONASS 0.885,0.292 1.5,0.49 0.615,0.198 10 false CA3H 0.896,0.875 1.51,1.073 0.615,0.198 10 false CA3L 0.167,2.448 0.781,2.646 0.615,0.198 10 false N21 0.177,2.646 2.135,3.073 1.958,0.427 10 false Central Gateway ECU (Network Gateway ECU) 1.365,0.281 1.979,0.479 0.615,0.198 10 false 6 1.396,0.698 2.01,0.896 0.615,0.198 10 false 21 2.292,3.438 4.927,3.688 2.635,0.25 10 false *3: for Toyota Connected Services 5,3.469 6.875,3.719 1.875,0.25 10 false *4: w/ Telematics System

CAUTION / NOTICE / HINT

CAUTION:

When performing the confirmation driving pattern, obey all speed limits and traffic laws.


NOTICE:
·

Because the order of diagnosis is important to allow correct diagnosis, make sure to begin troubleshooting using How to Proceed with Troubleshooting when CAN communication system related DTCs are output.

Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM>HOW TO PROCEED WITH TROUBLESHOOTING

·

Before measuring the resistance of the CAN bus, turn the ignition switch off and leave the vehicle for 1 minute or more without operating the key or any switches, or opening or closing the doors. After that, disconnect the cable from the negative (-) battery terminal and leave the vehicle for 10 minutes or more before measuring the resistance.

·

After the ignition switch is turned off, there may be a waiting time before disconnecting the negative (-) battery terminal.

Click hereGeneral>SETUP>WHEN DISCONNECTING OR RECONNECTING BATTERY TERMINAL>BEFORE DISCONNECTING BATTERY

·

When disconnecting and reconnecting the battery.

Click hereGeneral>SETUP>WHEN DISCONNECTING OR RECONNECTING BATTERY TERMINAL>WORK PROCEDURE

HINT:

When disconnecting and reconnecting the battery, there is an automatic learning function that completes learning when the respective system is used.

Click hereGeneral>SETUP>WHEN DISCONNECTING OR RECONNECTING BATTERY TERMINAL>AUTOMATIC LEARNING CHART


·

Some parts must be initialized and set when replacing or removing and installing parts.

Click hereGeneral>SETUP>WHEN REPLACING OR REMOVING/INSTALLING PARTS>WORK PROCEDURE

·

After performing repairs, perform the DTC check procedure and confirm that the DTCs are not output again.

DTC check procedure: Turn the ignition switch to ON and wait for 1 minute or more. Then operate the suspected malfunctioning system and drive the vehicle at 60 km/h (37 mph) or more for 5 minutes or more.

·

After the repair, perform the CAN bus check and check that all the ECUs and sensors connected to the CAN communication system are displayed as normal.

Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM>DIAGNOSIS SYSTEM

·

When replacing the combination meter assembly, always replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored.



HINT:
·

Before disconnecting related connectors for inspection, push in on each connector body to check that the connector is not loose or disconnected.

·

When a connector is disconnected, check that the terminals and connector body are not cracked, deformed or corroded.



PROCEDURE

1.CHECK FOR OPEN IN CAN BUS WIRE
NOTICE:

Before measuring the resistance of the CAN bus, turn the ignition switch off and leave the vehicle for 1 minute or more without operating the key or any switches, or opening or closing the doors. After that, disconnect the cable from the negative (-) battery terminal and leave the vehicle for 10 minutes or more before measuring the resistance.


HINT:

Operating the ignition switch, any other switches or door triggers related ECU and sensor communication on the CAN. This communication will cause the resistance value to change.


a.

Disconnect the cable from the negative (-) battery terminal.


b.
C368243C51
1.448,0.104 1.917,0.323 0.469,0.219 0.99,1.75 1.198,1.75 1.198,1.75 1.396,1.104 true 1.073,0.5 1.281,0.5 1.281,0.5 1.406,0.979 true 0.625,1.667 1.083,1.865 0.458,0.198 10 false CA3L 1.573,0.135 2.031,0.333 0.458,0.198 10 false N21 0.677,0.427 1.135,0.625 0.458,0.198 10 false CA3H 0.083,0.063 0.542,0.26 0.458,0.198 10 false *a
*a Component with harness connected
(Central Gateway ECU [Network Gateway ECU])


Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition
N21-6 (CA3H) - N21-21 (CA3L) Cable disconnected from negative (-) battery terminal Below 70 Ω



Result:
Proceed to
OK
NG



OK

2.CHECK FOR SHORT IN CAN BUS WIRES

NG

26.CHECK FOR OPEN IN CAN BUS WIRE (NO. 7 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU [NETWORK GATEWAY ECU])
2.CHECK FOR SHORT IN CAN BUS WIRES
a.
C368243C51
1.448,0.104 1.917,0.323 0.469,0.219 0.99,1.75 1.198,1.75 1.198,1.75 1.396,1.104 true 1.073,0.5 1.281,0.5 1.281,0.5 1.406,0.979 true 0.625,1.667 1.083,1.865 0.458,0.198 10 false CA3L 1.573,0.135 2.031,0.333 0.458,0.198 10 false N21 0.677,0.427 1.135,0.625 0.458,0.198 10 false CA3H 0.083,0.063 0.542,0.26 0.458,0.198 10 false *a
*a Component with harness connected
(Central Gateway ECU [Network Gateway ECU])


Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition
N21-6 (CA3H) - N21-21 (CA3L) Cable disconnected from negative (-) battery terminal 54 Ω or higher



Result:
Proceed to
OK
NG



OK

3.CHECK FOR SHORT TO B+ IN CAN BUS WIRE

NG

19.CHECK FOR SHORT IN CAN BUS WIRES (CENTRAL GATEWAY ECU [NETWORK GATEWAY ECU] - NO. 7 CAN JUNCTION CONNECTOR)
3.CHECK FOR SHORT TO B+ IN CAN BUS WIRE
a.
C324419C62
1.448,0.25 1.917,0.51 0.469,0.26 1.427,2.365 1.896,2.625 0.469,0.26 1.396,1.021 1.229,0.438 1.229,0.438 1.063,0.438 true 2.365,3.604 2.031,4.271 2.031,4.271 1.865,4.271 true 1.417,1.146 1.25,1.76 1.25,1.76 1.083,1.76 true 0.063,0.052 0.375,0.25 0.313,0.198 10 false *a 0.115,2.198 0.427,2.396 0.313,0.198 10 false *b 1.552,0.302 2.042,0.552 0.49,0.25 10 false N21 1.531,2.417 2.021,2.667 0.49,0.25 10 false N8 0.677,0.365 1.167,0.615 0.49,0.25 10 false CA3H 1.573,4.188 2.063,4.438 0.49,0.25 10 false BAT 0.74,1.677 1.229,1.927 0.49,0.25 10 false CA3L
*a Component with harness connected
(Central Gateway ECU [Network Gateway ECU])
*b Front view of DLC3


Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition
N21-6 (CA3H) - N8-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher
N21-21 (CA3L) - N8-16 (BAT)



Result:
Proceed to
OK
NG



OK

4.CHECK FOR SHORT TO GND IN CAN BUS WIRE

NG

12.CHECK FOR SHORT TO B+ IN CAN BUS WIRE (CENTRAL GATEWAY ECU [NETWORK GATEWAY ECU] - NO. 7 CAN JUNCTION CONNECTOR)
4.CHECK FOR SHORT TO GND IN CAN BUS WIRE
a.
C324419C63
1.448,0.25 1.917,0.51 0.469,0.26 1.427,2.365 1.896,2.625 0.469,0.26 1.396,1.021 1.229,0.438 1.229,0.438 1.063,0.438 true 1.625,3.26 1.344,4.083 1.344,4.083 1.177,4.083 true 1.417,1.146 1.25,1.76 1.25,1.76 1.083,1.76 true 0.063,0.052 0.375,0.25 0.313,0.198 10 false *a 0.115,2.198 0.427,2.396 0.313,0.198 10 false *b 1.552,0.302 2.042,0.552 0.49,0.25 10 false N21 1.531,2.417 2.021,2.667 0.49,0.25 10 false N8 0.677,0.365 1.167,0.615 0.49,0.25 10 false CA3H 0.958,4 1.448,4.25 0.49,0.25 10 false CG 0.74,1.677 1.229,1.927 0.49,0.25 10 false CA3L
*a Component with harness connected
(Central Gateway ECU [Network Gateway ECU])
*b Front view of DLC3


Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition
N21-6 (CA3H) - N8-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher
N21-21 (CA3L) - N8-4 (CG)



Result:
Proceed to
OK
NG



OK

REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)

Click herePower Source / Network>NETWORKING>NETWORK GATEWAY ECU>REMOVAL


NG

5.CHECK FOR SHORT TO GND IN CAN BUS WIRE (CENTRAL GATEWAY ECU [NETWORK GATEWAY ECU] - NO. 7 CAN JUNCTION CONNECTOR)
5.CHECK FOR SHORT TO GND IN CAN BUS WIRE (CENTRAL GATEWAY ECU [NETWORK GATEWAY ECU] - NO. 7 CAN JUNCTION CONNECTOR)
a.
C414215C01
1.479,0.26 1.917,0.469 0.438,0.208 1.438,2.542 1.875,2.75 0.438,0.208 2.656,0.646 2.438,0.646 2.438,0.646 2.292,1.26 true 2.052,1.49 1.781,2.292 1.781,2.292 1.615,2.292 true 2.146,4.24 1.979,4.24 1.979,4.24 1.646,3.302 true 2.542,2.156 2.323,2.156 2.323,2.156 2.188,1.51 true 1.906,1.49 1.635,2.125 1.635,2.125 1.469,2.125 true 1.573,0.292 2.188,0.49 0.615,0.198 10 false N21 1.573,2.573 2.188,2.771 0.615,0.198 10 false N8 0.094,0.073 0.708,0.271 0.615,0.198 10 false *a 1.229,2.219 1.844,2.417 0.615,0.198 10 false CAYL 0.104,2.563 0.719,2.76 0.615,0.198 10 false *b 2.698,0.573 3.229,0.781 0.531,0.208 10 false CA3H 2.229,4.167 2.844,4.365 0.615,0.198 10 false CG 2.646,2.083 3.177,2.292 0.531,0.208 10 false CA3L 1.073,2.052 1.688,2.25 0.615,0.198 10 false CAYH
*a Front view of wire harness connector
(to Central Gateway ECU [Network Gateway ECU])
*b Front view of DLC3


Disconnect the central gateway ECU (network gateway ECU) connector.


b.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition
N21-6 (CA3H) - N8-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher
N21-21 (CA3L) - N8-4 (CG)
N21-19 (CAYH) - N8-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher
N21-20 (CAYL) - N8-4 (CG)



c.

Reconnect the central gateway ECU (network gateway ECU) connector.


Result:
Proceed to
OK
NG



OK

REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)

Click herePower Source / Network>NETWORKING>NETWORK GATEWAY ECU>REMOVAL


NG

6.CHECK FOR SHORT TO GND IN CAN BUS WIRE (NO. 7 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU [NETWORK GATEWAY ECU])
6.CHECK FOR SHORT TO GND IN CAN BUS WIRE (NO. 7 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU [NETWORK GATEWAY ECU])
a.

Disconnect the No. 7 CAN junction connector.

C414290
2.021,0.25 2.427,0.5 0.406,0.25 5.167,0.552 5.573,0.802 0.406,0.25 3.552,1.375 3.365,1.375 3.365,1.375 3.094,1.531 true 3.573,1.99 3.396,1.99 3.396,1.99 3.104,1.844 true 5.708,2.229 5.531,2.229 5.531,2.229 5.302,1.51 true 3.552,1.073 3.365,1.073 3.365,1.073 2.927,1.542 true 3.438,2.208 3.26,2.208 3.26,2.208 2.917,1.833 true 0.135,0.094 0.531,0.365 0.396,0.271 10 false *a 2.063,0.292 2.563,0.531 0.5,0.24 10 false N127 3.594,1.313 4.26,1.552 0.667,0.24 10 false CANH*c 3.604,1.917 4.271,2.156 0.667,0.24 10 false CANL*c 4.292,0.094 4.635,0.406 0.344,0.313 10 false *b 5.281,0.604 5.781,0.844 0.5,0.24 10 false N8 5.75,2.146 6.417,2.385 0.667,0.24 10 false CG 3.594,0.99 4.26,1.229 0.667,0.24 10 false CANH*c 3.49,2.125 4.156,2.365 0.667,0.24 10 false CANL*c
*a Front view of wire harness connector
(to No. 7 CAN Junction Connector) 		*b Front view of DLC3
*c to Central Gateway ECU (Network Gateway ECU) - -



b.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition Connect to
N127-11 (CANH) - N8-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher Central gateway ECU (network gateway ECU)
N127-22 (CANL) - N8-4 (CG)
N127-10 (CANH) - N8-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher Central gateway ECU (network gateway ECU)
N127-21 (CANL) - N8-4 (CG)



c.

Reconnect the No. 7 CAN junction connector.


Result:
Proceed to
OK
NG



OK

7.CHECK VEHICLE TYPE

NG

REPAIR OR REPLACE CAN BUS WIRE OR CONNECTOR (NO. 7 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU [NETWORK GATEWAY ECU])

7.CHECK VEHICLE TYPE
a.

Check for vehicle type.


Result:
Result Proceed to
for Radio and Display Type A
except Radio and Display Type B



A

8.CHECK FOR SHORT TO GND IN CAN BUS WIRE (NO. 7 CAN JUNCTION CONNECTOR - RADIO AND DISPLAY RECEIVER ASSEMBLY)

B

9.CHECK FOR SHORT TO GND IN CAN BUS WIRE (NO. 7 CAN JUNCTION CONNECTOR - TELEMATICS TRANSCEIVER)
8.CHECK FOR SHORT TO GND IN CAN BUS WIRE (NO. 7 CAN JUNCTION CONNECTOR - RADIO AND DISPLAY RECEIVER ASSEMBLY)
a.

Disconnect the No. 7 CAN junction connector.

C414290
2.021,0.25 2.427,0.5 0.406,0.25 5.167,0.552 5.573,0.802 0.406,0.25 5.708,2.229 5.531,2.229 5.531,2.229 5.302,1.51 true 3.219,2.375 3.042,2.375 3.042,2.375 2.74,1.833 true 3.438,0.76 3.25,0.76 3.25,0.76 2.74,1.542 true 0.135,0.094 0.531,0.365 0.396,0.271 10 false *a 2.063,0.292 2.563,0.531 0.5,0.24 10 false N127 3.26,2.302 3.927,2.542 0.667,0.24 10 false CANL*c 4.292,0.094 4.635,0.406 0.344,0.313 10 false *b 5.281,0.604 5.781,0.844 0.5,0.24 10 false N8 5.75,2.146 6.417,2.385 0.667,0.24 10 false CG 3.479,0.688 4.146,0.927 0.667,0.24 10 false CANH*c
*a Front view of wire harness connector
(to No. 7 CAN Junction Connector) 		*b Front view of DLC3
*c to Radio and Display Receiver Assembly - -



b.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition Connect to
N127-9 (CANH) - N8-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher Radio and display receiver assembly
N127-20 (CANL) - N8-4 (CG)



c.

Reconnect the No. 7 CAN junction connector.


Result:
Proceed to
OK
NG



OK

9.CHECK FOR SHORT TO GND IN CAN BUS WIRE (NO. 7 CAN JUNCTION CONNECTOR - TELEMATICS TRANSCEIVER)

NG

10.CHECK FOR SHORT TO GND IN CAN BUS WIRE (RADIO AND DISPLAY RECEIVER ASSEMBLY - NO. 7 CAN JUNCTION CONNECTOR)
9.CHECK FOR SHORT TO GND IN CAN BUS WIRE (NO. 7 CAN JUNCTION CONNECTOR - TELEMATICS TRANSCEIVER)
a.

Disconnect the No. 7 CAN junction connector.

C414290
2.021,0.25 2.427,0.5 0.406,0.25 5.167,0.552 5.573,0.802 0.406,0.25 5.708,2.229 5.531,2.229 5.531,2.229 5.302,1.51 true 2.99,2.563 2.813,2.563 2.813,2.563 2.563,1.833 true 3.229,0.521 3.042,0.521 3.042,0.521 2.573,1.531 true 0.135,0.094 0.531,0.365 0.396,0.271 10 false *a 2.063,0.292 2.563,0.531 0.5,0.24 10 false N127 4.292,0.094 4.635,0.406 0.344,0.313 10 false *b 5.281,0.604 5.781,0.844 0.5,0.24 10 false N8 5.75,2.146 6.417,2.385 0.667,0.24 10 false CG 3.281,0.438 3.948,0.677 0.667,0.24 10 false CANH*c 3.073,2.49 3.74,2.729 0.667,0.24 10 false CANL*c
*a Front view of wire harness connector
(to No. 7 CAN Junction Connector) 		*b Front view of DLC3
*c to Telematics Transceiver - -



b.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition Connect to
N127-8 (CANH) - N8-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher Telematics transceiver
N127-19 (CANL) - N8-4 (CG)



c.

Reconnect the No. 7 CAN junction connector.


Result:
Proceed to
OK
NG



OK

REPLACE NO. 7 CAN JUNCTION CONNECTOR

NG

11.CHECK FOR SHORT TO GND IN CAN BUS WIRE (TELEMATICS TRANSCEIVER - NO. 7 CAN JUNCTION CONNECTOR)
10.CHECK FOR SHORT TO GND IN CAN BUS WIRE (RADIO AND DISPLAY RECEIVER ASSEMBLY - NO. 7 CAN JUNCTION CONNECTOR)
a.
C414320
1.51,0.219 1.927,0.479 0.417,0.26 1.51,2.521 1.927,2.781 0.417,0.26 1.99,1.552 2.167,0.729 2.167,0.729 2.313,0.729 true 1.521,0.729 1.667,0.729 1.667,0.729 1.865,1.552 true 1.625,3.417 1.854,4.292 1.854,4.292 2,4.292 true 0.094,0.083 0.458,0.365 0.365,0.281 10 false *a 0.083,2.5 0.448,2.802 0.365,0.302 10 false *b 1.635,0.271 1.927,0.479 0.292,0.208 10 false O7 1.635,2.573 1.927,2.781 0.292,0.208 10 false N8 2.354,0.656 2.969,0.854 0.615,0.198 10 false CANL 1.104,0.656 1.719,0.854 0.615,0.198 10 false CANH 2.042,4.208 2.656,4.406 0.615,0.198 10 false CG
*a Front view of wire harness connector
(to Radio and Display Receiver Assembly)
*b Front view of DLC3


Disconnect the radio and display receiver assembly connector.


b.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition
O7-13 (CANH) - N8-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher
O7-14 (CANL) - N8-4 (CG)



c.

Reconnect the radio and display receiver assembly connector.


Result:
Proceed to
OK
NG



OK

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>RADIO RECEIVER>REMOVAL


NG

REPAIR OR REPLACE CAN BUS WIRE OR CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - NO. 7 CAN JUNCTION CONNECTOR)

11.CHECK FOR SHORT TO GND IN CAN BUS WIRE (TELEMATICS TRANSCEIVER - NO. 7 CAN JUNCTION CONNECTOR)
a.

Disconnect the telematics transceiver connector.

C462739
5.469,0.625 5.896,0.875 0.427,0.25 2.281,0.583 2.667,0.833 0.385,0.25 2.281,0.229 2.667,0.479 0.385,0.25 2.031,1.427 2.021,2.219 2.021,2.219 1.833,2.219 true 2.167,1.448 2.167,2.219 2.167,2.219 2.333,2.219 true 5.594,1.302 5.635,2.042 5.635,2.042 5.802,2.042 true 0.156,0.135 0.469,0.333 0.313,0.198 10 false *a 2.323,0.615 2.688,0.813 0.365,0.198 10 false N164 5.604,0.656 6.052,0.885 0.448,0.229 10 false N8 4.854,0.823 5.167,1.021 0.313,0.198 10 false *b 1.427,2.167 1.969,2.375 0.542,0.208 10 false CANP 2.396,2.156 2.938,2.365 0.542,0.208 10 false CANN 5.844,1.979 6.385,2.188 0.542,0.208 10 false CG 2.302,0.26 2.667,0.458 0.365,0.198 10 false N209 2.74,0.271 3.052,0.469 0.313,0.198 10 false *A 2.74,0.615 3.052,0.813 0.313,0.198 10 false *B
*A for ERA-GLONASS *B for Toyota Connected Services
*a Front view of wire harness connector
(to Telematics Transceiver) 		*b Front view of DLC3



b.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
for ERA-GLONASS
Tester Connection Condition Specified Condition
N209-25 (CANP) - N8-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher
N209-26 (CANN) - N8-4 (CG)

for Toyota Connected Services
Tester Connection Condition Specified Condition
N164-25 (CANP) - N8-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher
N164-26 (CANN) - N8-4 (CG)



c.

Reconnect the telematics transceiver connector.


Result:
Proceed to
OK
NG



OK

REPLACE TELEMATICS TRANSCEIVER

for LHD: Click hereAudio / Visual / Telematics>TELEMATICS>TELEMATICS TRANSCEIVER (for LHD)>REMOVAL

for RHD: Click hereAudio / Visual / Telematics>TELEMATICS>TELEMATICS TRANSCEIVER (for RHD)>REMOVAL


NG

REPAIR OR REPLACE CAN BUS WIRE OR CONNECTOR (TELEMATICS TRANSCEIVER - NO. 7 CAN JUNCTION CONNECTOR)

12.CHECK FOR SHORT TO B+ IN CAN BUS WIRE (CENTRAL GATEWAY ECU [NETWORK GATEWAY ECU] - NO. 7 CAN JUNCTION CONNECTOR)
a.
C414215C02
1.479,0.26 1.917,0.469 0.438,0.208 1.438,2.542 1.875,2.75 0.438,0.208 2.656,0.646 2.438,0.646 2.438,0.646 2.292,1.26 true 2.052,1.49 1.781,2.292 1.781,2.292 1.615,2.292 true 2.74,4.26 2.573,4.26 2.573,4.26 2.323,3.625 true 2.542,2.156 2.323,2.156 2.323,2.156 2.188,1.51 true 1.906,1.49 1.635,2.125 1.635,2.125 1.469,2.125 true 1.573,0.292 2.188,0.49 0.615,0.198 10 false N21 1.542,2.573 2.156,2.771 0.615,0.198 10 false N8 0.094,0.073 0.708,0.271 0.615,0.198 10 false *a 1.229,2.219 1.844,2.417 0.615,0.198 10 false CAYL 0.104,2.563 0.719,2.76 0.615,0.198 10 false *b 2.698,0.573 3.229,0.781 0.531,0.208 10 false CA3H 2.792,4.188 3.406,4.385 0.615,0.198 10 false BAT 2.646,2.083 3.177,2.292 0.531,0.208 10 false CA3L 1.073,2.052 1.688,2.25 0.615,0.198 10 false CAYH
*a Front view of wire harness connector
(to Central Gateway ECU [Network Gateway ECU])
*b Front view of DLC3


Disconnect the central gateway ECU (network gateway ECU) connector.


b.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition
N21-6 (CA3H) - N8-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher
N21-21 (CA3L) - N8-16 (BAT)
N21-19 (CAYH) - N8-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher
N21-20 (CAYL) - N8-16 (BAT)



c.

Reconnect the central gateway ECU (network gateway ECU) connector.


Result:
Proceed to
OK
NG



OK

REPLACE NETWORK GATEWAY ECU

Click herePower Source / Network>NETWORKING>NETWORK GATEWAY ECU>REMOVAL


NG

13.CHECK FOR SHORT TO B+ IN CAN BUS WIRE (NO. 7 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU [NETWORK GATEWAY ECU])
13.CHECK FOR SHORT TO B+ IN CAN BUS WIRE (NO. 7 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU [NETWORK GATEWAY ECU])
a.

Disconnect the No. 7 CAN junction connector.

C414290
2.021,0.25 2.427,0.5 0.406,0.25 5.167,0.552 5.573,0.802 0.406,0.25 6.219,2.229 6.042,2.229 6.042,2.229 5.906,1.813 true 2.99,2.563 2.813,2.563 2.813,2.563 2.563,1.833 true 3.229,0.521 3.042,0.521 3.042,0.521 2.573,1.531 true 0.135,0.094 0.531,0.365 0.396,0.271 10 false *a 2.063,0.292 2.563,0.531 0.5,0.24 10 false N127 4.292,0.094 4.635,0.406 0.344,0.313 10 false *b 5.281,0.604 5.781,0.844 0.5,0.24 10 false N8 6.26,2.146 6.927,2.385 0.667,0.24 10 false BAT 3.031,2.49 3.698,2.729 0.667,0.24 10 false CANL*c 3.281,0.438 3.948,0.677 0.667,0.24 10 false CANH*c
*a Front view of wire harness connector
(to No. 7 CAN Junction Connector) 		*b Front view of DLC3
*c to Telephone Transceiver Assembly - -



b.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition Connect to
N127-11 (CANH) - N8-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher Central gateway ECU (network gateway ECU)
N127-22 (CANL) - N8-16 (BAT)
N127-10 (CANH) - N8-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher Central gateway ECU (network gateway ECU)
N127-21 (CANL) - N8-16 (BAT)



c.

Reconnect the No. 7 CAN junction connector.


Result:
Proceed to
OK
NG



OK

14.CHECK VEHICLE TYPE

NG

REPAIR OR REPLACE CAN BUS WIRE OR CONNECTOR (NO. 7 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU [NETWORK GATEWAY ECU])

14.CHECK VEHICLE TYPE
a.

Check for vehicle type.


Result:
Result Proceed to
for Radio and Display Type A
except Radio and Display Type B



A

15.CHECK FOR SHORT TO B+ IN CAN BUS WIRE (NO. 7 CAN JUNCTION CONNECTOR - RADIO AND DISPLAY RECEIVER ASSEMBLY)

B

16.CHECK FOR SHORT TO B+ IN CAN BUS WIRE (NO. 7 CAN JUNCTION CONNECTOR - TELEMATICS TRANSCEIVER)
15.CHECK FOR SHORT TO B+ IN CAN BUS WIRE (NO. 7 CAN JUNCTION CONNECTOR - RADIO AND DISPLAY RECEIVER ASSEMBLY)
a.

Disconnect the No. 7 CAN junction connector.

C414290
2.021,0.25 2.427,0.5 0.406,0.25 5.167,0.552 5.573,0.802 0.406,0.25 6.219,2.229 6.042,2.229 6.042,2.229 5.906,1.813 true 3.219,2.375 3.042,2.375 3.042,2.375 2.74,1.833 true 3.438,0.76 3.25,0.76 3.25,0.76 2.74,1.542 true 0.135,0.094 0.531,0.365 0.396,0.271 10 false *a 2.063,0.292 2.563,0.531 0.5,0.24 10 false N127 3.26,2.302 3.927,2.542 0.667,0.24 10 false CANL*c 4.292,0.094 4.635,0.406 0.344,0.313 10 false *b 5.281,0.604 5.781,0.844 0.5,0.24 10 false N8 6.26,2.146 6.927,2.385 0.667,0.24 10 false BAT 3.479,0.688 4.146,0.927 0.667,0.24 10 false CANH*c
*a Front view of wire harness connector
(to No. 7 CAN Junction Connector) 		*b Front view of DLC3
*c to Radio and Display Receiver Assembly - -



b.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition Connect to
N127-9 (CANH) - N8-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher Radio and display receiver assembly
N127-20 (CANL) - N8-16 (BAT)



c.

Reconnect the No. 7 CAN junction connector.


Result:
Proceed to
OK
NG



OK

16.CHECK FOR SHORT TO B+ IN CAN BUS WIRE (NO. 7 CAN JUNCTION CONNECTOR - TELEMATICS TRANSCEIVER)

NG

17.CHECK FOR SHORT TO B+ IN CAN BUS WIRE (RADIO AND DISPLAY RECEIVER ASSEMBLY - NO. 7 CAN JUNCTION CONNECTOR)
16.CHECK FOR SHORT TO B+ IN CAN BUS WIRE (NO. 7 CAN JUNCTION CONNECTOR - TELEMATICS TRANSCEIVER)
a.

Disconnect the No. 7 CAN junction connector.

C414290
2.021,0.25 2.427,0.5 0.406,0.25 5.167,0.552 5.573,0.802 0.406,0.25 6.219,2.229 6.042,2.229 6.042,2.229 5.906,1.813 true 2.99,2.563 2.813,2.563 2.813,2.563 2.563,1.833 true 3.229,0.521 3.042,0.521 3.042,0.521 2.573,1.531 true 0.135,0.094 0.531,0.365 0.396,0.271 10 false *a 2.063,0.292 2.563,0.531 0.5,0.24 10 false N127 4.292,0.094 4.635,0.406 0.344,0.313 10 false *b 5.281,0.604 5.781,0.844 0.5,0.24 10 false N8 6.26,2.146 6.927,2.385 0.667,0.24 10 false BAT 3.031,2.49 3.698,2.729 0.667,0.24 10 false CANL*c 3.281,0.438 3.948,0.677 0.667,0.24 10 false CANH*c
*a Front view of wire harness connector
(to No. 7 CAN Junction Connector) 		*b Front view of DLC3
*c to Telematics Transceiver - -



b.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition Connect to
N127-8 (CANH) - N8-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher Telematics transceiver
N127-19 (CANL) - N8-16 (BAT)



c.

Reconnect the No. 7 CAN junction connector.


Result:
Proceed to
OK
NG



OK

REPLACE NO. 7 CAN JUNCTION CONNECTOR

NG

18.CHECK FOR SHORT TO B+ IN CAN BUS WIRE (TELEMATICS TRANSCEIVER - NO. 7 CAN JUNCTION CONNECTOR)
17.CHECK FOR SHORT TO B+ IN CAN BUS WIRE (RADIO AND DISPLAY RECEIVER ASSEMBLY - NO. 7 CAN JUNCTION CONNECTOR)
a.
C414320
1.51,0.219 1.927,0.479 0.417,0.26 1.51,2.521 1.927,2.781 0.417,0.26 1.99,1.552 2.167,0.729 2.167,0.729 2.313,0.729 true 1.521,0.729 1.667,0.729 1.667,0.729 1.865,1.552 true 2.354,3.802 2.5,4.292 2.5,4.292 2.646,4.292 true 0.094,0.083 0.458,0.365 0.365,0.281 10 false *a 0.083,2.5 0.448,2.802 0.365,0.302 10 false *b 1.635,0.271 1.927,0.479 0.292,0.208 10 false O7 1.635,2.573 1.927,2.781 0.292,0.208 10 false N8 2.354,0.656 2.969,0.854 0.615,0.198 10 false CANL 1.104,0.656 1.719,0.854 0.615,0.198 10 false CANH 2.698,4.208 3.313,4.406 0.615,0.198 10 false BAT
*a Front view of wire harness connector
(to Radio and Display Receiver Assembly)
*b Front view of DLC3


Disconnect the radio and display receiver assembly connector.


b.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition
O7-13 (CANH) - N8-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher
O7-14 (CANL) - N8-16 (BAT)



c.

Reconnect the radio and display receiver assembly connector.


Result:
Proceed to
OK
NG



OK

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>RADIO RECEIVER>REMOVAL


NG

REPAIR OR REPLACE CAN BUS WIRE OR CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - NO. 7 CAN JUNCTION CONNECTOR)

18.CHECK FOR SHORT TO B+ IN CAN BUS WIRE (TELEMATICS TRANSCEIVER - NO. 7 CAN JUNCTION CONNECTOR)
a.

Disconnect the telematics transceiver connector.

C462739
5.469,0.625 5.896,0.875 0.427,0.25 2.281,0.583 2.667,0.833 0.385,0.25 2.281,0.229 2.667,0.479 0.385,0.25 2.031,1.427 2.021,2.219 2.021,2.219 1.833,2.219 true 2.167,1.448 2.167,2.219 2.167,2.219 2.333,2.219 true 6.104,1.573 6.156,2.094 6.156,2.094 6.323,2.094 true 0.156,0.135 0.469,0.333 0.313,0.198 10 false *a 2.323,0.615 2.688,0.813 0.365,0.198 10 false N164 5.604,0.656 6.052,0.885 0.448,0.229 10 false N8 4.854,0.823 5.167,1.021 0.313,0.198 10 false *b 1.427,2.167 1.969,2.375 0.542,0.208 10 false CANP 2.396,2.156 2.938,2.365 0.542,0.208 10 false CANN 6.396,2.031 6.938,2.24 0.542,0.208 10 false BAT 2.302,0.26 2.667,0.458 0.365,0.198 10 false N209 2.74,0.271 3.052,0.469 0.313,0.198 10 false *A 2.74,0.615 3.052,0.813 0.313,0.198 10 false *B
*A for ERA-GLONASS *B for Toyota Connected Services
*a Front view of wire harness connector
(to Telematics Transceiver) 		*b Front view of DLC3



b.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
for ERA-GLONASS
Tester Connection Condition Specified Condition
N209-25 (CANP) - N8-16 (BAT) Cable disconnected from negative (-) battery terminal 200 Ω or higher
N209-26 (CANN) - N8-16 (BAT)

for Toyota Connected Services
Tester Connection Condition Specified Condition
N164-25 (CANP) - N8-16 (BAT) Cable disconnected from negative (-) battery terminal 200 Ω or higher
N164-26 (CANN) - N8-16 (BAT)



c.

Reconnect the telematics transceiver connector..


Result:
Proceed to
OK
NG



OK

REPLACE TELEMATICS TRANSCEIVER

for LHD: Click hereAudio / Visual / Telematics>TELEMATICS>TELEMATICS TRANSCEIVER (for LHD)>REMOVAL

for RHD: Click hereAudio / Visual / Telematics>TELEMATICS>TELEMATICS TRANSCEIVER (for RHD)>REMOVAL


NG

REPAIR OR REPLACE CAN BUS WIRE OR CONNECTOR (TELEMATICS TRANSCEIVER - NO. 7 CAN JUNCTION CONNECTOR)

19.CHECK FOR SHORT IN CAN BUS WIRES (CENTRAL GATEWAY ECU [NETWORK GATEWAY ECU] - NO. 7 CAN JUNCTION CONNECTOR)
a.
C368242C45
1.417,0.24 1.958,0.458 0.542,0.219 2.146,1.104 2.167,0.573 2.167,0.573 1.927,0.573 true 1.51,1.802 1.708,1.802 1.708,1.802 1.875,1.292 true 2.042,1.271 2.229,1.906 2.229,1.906 2.396,1.906 true 1.594,1.99 1.792,1.99 1.792,1.99 1.979,1.271 true 1.573,0.281 2.031,0.479 0.458,0.198 10 false N21 1.542,0.479 2,0.677 0.458,0.198 10 false CA3H 2.427,1.823 2.906,2.021 0.479,0.198 10 false CA3L 0.073,0.052 0.531,0.25 0.458,0.198 10 false *a 1.198,1.906 1.677,2.104 0.479,0.198 10 false CAYL 1.115,1.729 1.594,1.927 0.479,0.198 10 false CAYH
*a Front view of wire harness connector
(to Central Gateway ECU [Network Gateway ECU])


Disconnect the central gateway ECU (network gateway ECU) connector.


b.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition
N21-6 (CA3H) - N21-21 (CA3L) Cable disconnected from negative (-) battery terminal 200 Ω or higher
N21-19 (CAYH) - N21-20 (CAYL)



c.

Reconnect the central gateway ECU (network gateway ECU) connector.


Result:
Proceed to
OK
NG



OK

REPLACE NETWORK GATEWAY ECU

Click herePower Source / Network>NETWORKING>NETWORK GATEWAY ECU>REMOVAL


NG

20.CHECK FOR SHORT IN CAN BUS WIRES (NO. 7 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU [NETWORK GATEWAY ECU])
20.CHECK FOR SHORT IN CAN BUS WIRES (NO. 7 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU [NETWORK GATEWAY ECU])
a.

Disconnect the No. 7 CAN junction connector.

C467151
0.573,1.24 0.979,1.49 0.406,0.25 5.073,0.719 4.906,0.719 4.906,0.719 4.26,1.438 true 4.813,2.24 4.646,2.24 4.646,2.24 4.281,1.667 true 5.344,1.021 5.177,1.021 5.177,1.021 4.448,1.438 true 5.073,1.99 4.906,1.99 4.906,1.99 4.458,1.667 true 0.083,0.063 0.396,0.26 0.313,0.198 10 false *a 0.604,1.292 1.104,1.531 0.5,0.24 10 false N127 5.125,0.646 5.792,0.885 0.667,0.24 10 false CANH*b 4.896,2.177 5.563,2.417 0.667,0.24 10 false CANL*b 5.396,0.938 6.063,1.177 0.667,0.24 10 false CANH*b 5.156,1.906 5.823,2.146 0.667,0.24 10 false CANL*b
*a Front view of wire harness connector
(to No. 7 CAN Junction Connector) 		*b to Central Gateway ECU (Network Gateway ECU)



b.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition Connect to
N127-11 (CANH) - N127-22 (CANL) Cable disconnected from negative (-) battery terminal 108 to 132 Ω Central gateway ECU (network gateway ECU)
N127-10 (CANH) - N127-21 (CANL)



c.

Reconnect the No. 7 CAN junction connector.


Result:
Proceed to
OK
NG



OK

21.CHECK VEHICLE TYPE

NG

REPAIR OR REPLACE CAN BUS WIRE OR CONNECTOR (NO. 7 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU [NETWORK GATEWAY ECU])

21.CHECK VEHICLE TYPE
a.

Check for vehicle type.


Result:
Result Proceed to
for Radio and Display Type A
except Radio and Display Type B



A

22.CHECK FOR SHORT IN CAN BUS WIRES (NO. 7 CAN JUNCTION CONNECTOR - RADIO AND DISPLAY RECEIVER ASSEMBLY)

B

23.CHECK FOR SHORT IN CAN BUS WIRES (NO. 7 CAN JUNCTION CONNECTOR - TELEMATICS TRANSCEIVER)
22.CHECK FOR SHORT IN CAN BUS WIRES (NO. 7 CAN JUNCTION CONNECTOR - RADIO AND DISPLAY RECEIVER ASSEMBLY)
a.

Disconnect the No. 7 CAN junction connector.

C467151
0.573,1.24 0.979,1.49 0.406,0.25 4.833,0.458 4.667,0.458 4.667,0.458 4.125,1.417 true 4.469,2.458 4.302,2.458 4.302,2.458 4.115,1.667 true 0.083,0.063 0.396,0.26 0.313,0.198 10 false *a 0.604,1.292 1.104,1.531 0.5,0.24 10 false N127 4.906,0.385 5.573,0.625 0.667,0.24 10 false CANH*b 4.531,2.365 5.198,2.604 0.667,0.24 10 false CANL*b
*a Front view of wire harness connector
(to No. 7 CAN Junction Connector) 		*b to Radio and Display Receiver Assembly



b.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition Connect to
N127-9 (CANH) - N127-20 (CANL) Cable disconnected from negative (-) battery terminal 200 Ω or higher Radio and display receiver assembly



c.

Reconnect the No. 7 CAN junction connector.


Result:
Proceed to
OK
NG



OK

23.CHECK FOR SHORT IN CAN BUS WIRES (NO. 7 CAN JUNCTION CONNECTOR - TELEMATICS TRANSCEIVER)

NG

24.CHECK FOR SHORT IN CAN BUS WIRES (RADIO AND DISPLAY RECEIVER ASSEMBLY - NO. 7 CAN JUNCTION CONNECTOR)
23.CHECK FOR SHORT IN CAN BUS WIRES (NO. 7 CAN JUNCTION CONNECTOR - TELEMATICS TRANSCEIVER)
a.

Disconnect the No. 7 CAN junction connector.

C467151
0.573,1.24 0.979,1.49 0.406,0.25 4.573,0.229 4.406,0.229 4.406,0.229 3.906,1.469 true 4.167,2.635 4,2.635 4,2.635 3.917,1.698 true 0.083,0.063 0.396,0.26 0.313,0.198 10 false *a 0.604,1.292 1.104,1.531 0.5,0.24 10 false N127 4.656,0.156 5.323,0.396 0.667,0.24 10 false CANH*b 4.208,2.552 4.875,2.792 0.667,0.24 10 false CANL*b
*a Front view of wire harness connector
(to No. 7 CAN Junction Connector) 		*b to Telematics Transceiver



b.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition Connect to
N127-8 (CANH) - N127-19 (CANL) Cable disconnected from negative (-) battery terminal 200 Ω or higher Telematics transceiver



c.

Reconnect the No. 7 CAN junction connector.


Result:
Proceed to
OK
NG



OK

REPLACE NO. 7 CAN JUNCTION CONNECTOR

NG

25.CHECK FOR SHORT IN CAN BUS WIRES (TELEMATICS TRANSCEIVER - NO. 7 CAN JUNCTION CONNECTOR)
24.CHECK FOR SHORT IN CAN BUS WIRES (RADIO AND DISPLAY RECEIVER ASSEMBLY - NO. 7 CAN JUNCTION CONNECTOR)
a.
C369143
1.5,0.417 1.917,0.667 0.417,0.25 1.885,2.177 1.583,1.167 1.583,1.167 1.417,1.167 true 2.042,2.167 1.75,1 1.75,1 1.583,1 true 0.094,0.083 0.406,0.281 0.313,0.198 10 false *a 1.625,0.458 1.938,0.656 0.313,0.198 10 false O7 1.021,1.104 1.51,1.302 0.49,0.198 10 false CANH 1.188,0.938 1.677,1.135 0.49,0.198 10 false CANL
*a Front view of wire harness connector
(to Radio and Display Receiver Assembly)


Disconnect the radio and display receiver assembly connector.


b.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition
O7-13 (CANH) - O7-14 (CANL) Cable disconnected from negative (-) battery terminal 54 to 69 Ω



c.

Reconnect the radio and display receiver assembly connector.


Result:
Proceed to
OK
NG



OK

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>RADIO RECEIVER>REMOVAL


NG

REPAIR OR REPLACE CAN BUS WIRE OR CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - NO. 7 CAN JUNCTION CONNECTOR)

25.CHECK FOR SHORT IN CAN BUS WIRES (TELEMATICS TRANSCEIVER - NO. 7 CAN JUNCTION CONNECTOR)
a.
C421785
1.5,0.667 1.917,0.917 0.417,0.25 1.5,0.323 1.917,0.573 0.417,0.25 1,2.75 1.167,2.75 1.167,2.75 1.25,1.583 true 1.417,1.583 1.677,2.75 1.677,2.75 1.833,2.75 true 0.135,0.104 0.448,0.302 0.313,0.198 10 false *a 1.531,0.698 1.906,0.906 0.375,0.208 10 false N164 0.615,2.667 1.083,2.885 0.469,0.219 10 false CANP 1.865,2.667 2.333,2.885 0.469,0.219 10 false CANN 1.531,0.365 1.906,0.573 0.375,0.208 10 false N209 1.99,0.354 2.365,0.563 0.375,0.208 10 false *A 2,0.708 2.375,0.917 0.375,0.208 10 false *B
*A for ERA-GLONASS
*B for Toyota Connected Services
*a Front view of wire harness connector
(to Telematics Transceiver)


Disconnect the telematics transceiver connector.


b.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
for ERA-GLONASS
Tester Connection Condition Specified Condition
N209-25 (CANP) - N209-26 (CANN) Cable disconnected from negative (-) battery terminal 54 to 69 Ω

for Toyota Connected Services
Tester Connection Condition Specified Condition
N164-25 (CANP) - N164-26 (CANN) Cable disconnected from negative (-) battery terminal 54 to 69 Ω



c.

Reconnect the telematics transceiver connector.


Result:
Proceed to
OK
NG



OK

REPLACE TELEMATICS TRANSCEIVER

for LHD: Click hereAudio / Visual / Telematics>TELEMATICS>TELEMATICS TRANSCEIVER (for LHD)>REMOVAL

for RHD: Click hereAudio / Visual / Telematics>TELEMATICS>TELEMATICS TRANSCEIVER (for RHD)>REMOVAL


NG

REPAIR OR REPLACE CAN BUS WIRE OR CONNECTOR (TELEPHONE TRANSCEIVER ASSEMBLY - NO. 7 CAN JUNCTION CONNECTOR)

26.CHECK FOR OPEN IN CAN BUS WIRE (NO. 7 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU [NETWORK GATEWAY ECU])
a.

Disconnect the No. 7 CAN junction connector.

C467151
0.573,1.24 0.979,1.49 0.406,0.25 5.073,0.719 4.906,0.719 4.906,0.719 4.26,1.438 true 4.813,2.24 4.646,2.24 4.646,2.24 4.281,1.667 true 5.344,1.021 5.177,1.021 5.177,1.021 4.448,1.438 true 5.073,1.99 4.906,1.99 4.906,1.99 4.458,1.667 true 0.083,0.063 0.396,0.26 0.313,0.198 10 false *a 0.604,1.292 1.104,1.531 0.5,0.24 10 false N127 5.125,0.646 5.792,0.885 0.667,0.24 10 false CANH*b 4.896,2.177 5.563,2.417 0.667,0.24 10 false CANL*b 5.396,0.938 6.063,1.177 0.667,0.24 10 false CANH*b 5.156,1.906 5.823,2.146 0.667,0.24 10 false CANL*b
*a Front view of wire harness connector
(to No. 7 CAN Junction Connector) 		*b to Central Gateway ECU (Network Gateway ECU)



b.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition Connect to
N127-11 (CANH) - N127-22 (CANL) Cable disconnected from negative (-) battery terminal 108 to 132 Ω Central gateway ECU (network gateway ECU)
N127-10 (CANH) - N127-21 (CANL)



c.

Reconnect the No. 7 CAN junction connector.


Result:
Proceed to
OK
NG



OK

REPLACE NO. 7 CAN JUNCTION CONNECTOR

NG

27.CHECK FOR OPEN IN CAN BUS WIRE (CENTRAL GATEWAY ECU [NETWORK GATEWAY ECU] - NO. 7 CAN JUNCTION CONNECTOR)
27.CHECK FOR OPEN IN CAN BUS WIRE (CENTRAL GATEWAY ECU [NETWORK GATEWAY ECU] - NO. 7 CAN JUNCTION CONNECTOR)
a.

Disconnect the No. 7 CAN junction connector.


b.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition
N21-6 (CA3H) - N127-11 (CANH) Cable disconnected from negative (-) battery terminal Below 1 Ω
N21-21 (CA3L) - N127-22 (CANL)
N21-19 (CAYH) - N21-10 (CANH) Cable disconnected from negative (-) battery terminal Below 1 Ω
N21-20 (CAYL) - N127-21 (CANL)



Result:
Proceed to
OK
NG



OK

REPAIR OR REPLACE CAN BUS WIRE OR CONNECTOR (CENTRAL GATEWAY ECU [NETWORK GATEWAY ECU] - NO. 7 CAN JUNCTION CONNECTOR)

NG

REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)

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