RM38N0EC _57 Power Source / Network _111829 NETWORKING _0499998 CAN COMMUNICATION SYSTEM(for Gasoline Model) J

NETWORKING  CAN COMMUNICATION SYSTEM(for Gasoline Model)  Radio Receiver Assembly Communication Stop Mode  


DESCRIPTION

Detection Item Symptom Trouble Area
Radio Receiver Assembly Communication Stop Mode Communication stop for "Display and Navigation (AVN)" is indicated on the "Communication Bus Check" screen of the GTS.
Click here(Click here)
for 12.3 Inch Display
·

Navigation receiver assembly branch line or connector

·

Power source circuit of navigation receiver assembly

·

Navigation receiver assembly ground circuit

·

Navigation receiver assembly


for 10.25 Inch Display
·

Radio and display receiver assembly branch line or connector

·

Power source circuit of radio and display receiver assembly

·

Radio and display receiver assembly ground circuit

·

Radio and display receiver assembly



WIRING DIAGRAM

for 12.3 Inch Display
C427496E19
0.51,1.885 3.073,2.135 2.563,0.25 10 false No. 6 Global CAN Junction Connector 0.104,1.885 0.573,2.104 0.469,0.219 10 false E104 5.177,4.896 7.156,5.406 1.979,0.51 10 false Navigation Receiver Assembly 5.271,0.969 5.74,1.188 0.469,0.219 10 false E136 5.271,1.5 5.74,1.719 0.469,0.219 10 false E136 5.271,3.583 5.74,3.802 0.469,0.219 10 false E137 1.625,0.865 2.094,1.083 0.469,0.219 10 false 8 1.604,1.396 2.073,1.615 0.469,0.219 10 false 18 5.365,0.74 5.833,0.958 0.469,0.219 10 false 13 5.365,1.281 5.833,1.5 0.469,0.219 10 false 14 5.281,2.292 5.75,2.51 0.469,0.219 10 false E137 5.281,2.938 5.75,3.156 0.469,0.219 10 false E137 5.281,4.26 5.75,4.479 0.469,0.219 10 false E137 5.396,2.063 5.865,2.281 0.469,0.219 10 false 4 5.354,2.719 5.823,2.938 0.469,0.219 10 false 16 5.344,3.365 5.813,3.583 0.469,0.219 10 false 15 5.396,4.031 5.865,4.25 0.469,0.219 10 false 1 5.719,0.979 6.188,1.198 0.469,0.219 10 false CANH 5.76,1.448 6.229,1.667 0.469,0.219 10 false CANL 5.74,2.281 6.208,2.5 0.469,0.219 10 false +B1 5.74,2.927 6.208,3.146 0.469,0.219 10 false ACC1 5.719,3.573 6.188,3.792 0.469,0.219 10 false IG 5.729,4.26 6.198,4.479 0.469,0.219 10 false GND1 4.188,2.146 5.177,2.417 0.99,0.271 10 false RADIO 4.115,2.802 4.854,3.052 0.74,0.25 10 false ECU-ACC 3.927,3.427 5.01,3.646 1.083,0.219 10 false ECU-IGR NO. 2 2.375,2.271 3.854,2.563 1.479,0.292 10 false from Battery 2.115,2.917 3.229,3.198 1.115,0.281 10 false from ACC Relay 1.75,3.563 3.229,3.854 1.479,0.292 10 false from IGR NO. 2 Relay

for 10.25 Inch Display
C427496E41
0.51,1.885 3.073,2.135 2.563,0.25 10 false No. 6 Global CAN Junction Connector 0.104,1.885 0.573,2.104 0.469,0.219 10 false E104 5.323,4.896 7.031,5.438 1.708,0.542 10 false Radio and Display Receiver Assembly 5.271,0.969 5.74,1.188 0.469,0.219 10 false E136 5.271,1.5 5.74,1.719 0.469,0.219 10 false E136 5.271,3.583 5.74,3.802 0.469,0.219 10 false E137 1.625,0.865 2.094,1.083 0.469,0.219 10 false 8 1.604,1.396 2.073,1.615 0.469,0.219 10 false 18 5.365,0.74 5.833,0.958 0.469,0.219 10 false 13 5.365,1.281 5.833,1.5 0.469,0.219 10 false 14 5.281,2.292 5.75,2.51 0.469,0.219 10 false E137 5.281,2.938 5.75,3.156 0.469,0.219 10 false E137 5.281,4.26 5.75,4.479 0.469,0.219 10 false E137 5.396,2.063 5.865,2.281 0.469,0.219 10 false 4 5.354,2.719 5.823,2.938 0.469,0.219 10 false 16 5.344,3.365 5.813,3.583 0.469,0.219 10 false 15 5.396,4.031 5.865,4.25 0.469,0.219 10 false 1 5.719,0.979 6.188,1.198 0.469,0.219 10 false CANH 5.76,1.448 6.229,1.667 0.469,0.219 10 false CANL 5.74,2.281 6.208,2.5 0.469,0.219 10 false +B1 5.74,2.927 6.208,3.146 0.469,0.219 10 false ACC1 5.719,3.573 6.188,3.792 0.469,0.219 10 false IG 5.729,4.26 6.198,4.479 0.469,0.219 10 false GND1 4.188,2.146 5.177,2.417 0.99,0.271 10 false RADIO 4.115,2.802 4.854,3.052 0.74,0.25 10 false ECU-ACC 3.927,3.427 5.01,3.646 1.083,0.219 10 false ECU-IGR NO. 2 2.375,2.271 3.854,2.563 1.479,0.292 10 false from Battery 2.115,2.917 3.229,3.198 1.115,0.281 10 false from ACC Relay 1.75,3.563 3.229,3.854 1.479,0.292 10 false from IGR NO. 2 Relay

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 (for Gasoline Model)>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 (for Gasoline Model)>DIAGNOSIS SYSTEM

·

Inspect the fuses for circuits related to this system before performing the following procedure.



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 VEHICLE TYPE
a.

Check vehicle type.


Result:
Result Proceed to
for 12.3 Inch Display A
for 10.25 Inch Display B



A

2.CHECK FOR OPEN IN CAN BUS LINES (NAVIGATION RECEIVER ASSEMBLY BRANCH LINE)

B

4.CHECK FOR OPEN IN CAN BUS LINES (RADIO AND DISPLAY RECEIVER ASSEMBLY BRANCH LINE)
2.CHECK FOR OPEN IN CAN BUS LINES (NAVIGATION RECEIVER ASSEMBLY BRANCH LINE)
a.

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


b.

Disconnect the E136 navigation receiver assembly connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition

Click Location & Routing(E136)Location & Routing

Click Connector(E136)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Navigation Receiver Assembly

E136-13 (CANH) - E136-14 (CANL) Cable disconnected from negative (-) battery terminal 54 to 69 Ω



Result:
Result
OK
NG



OK

3.CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)

NG

REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NAVIGATION RECEIVER ASSEMBLY)

3.CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)
a.

Disconnect the E137 navigation receiver assembly connector.


b.

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

Standard Resistance:
Tester Connection Condition Specified Condition

Click Location & Routing(E137)Location & Routing

Click Connector(E137)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Navigation Receiver Assembly

E137-1 (GND1) - Body ground Cable disconnected from negative (-) battery terminal Below 1 Ω



c.

Reconnect the cable to the negative (-) battery terminal.


d.

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

Standard Voltage:
Tester Connection Condition Specified Condition

Click Location & Routing(E137)Location & Routing

Click Connector(E137)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Navigation Receiver Assembly

E137-15 (IG) - Body ground Ignition switch ON 11 to 14 V
E137-4 (+B1) - Body ground Always 11 to 14 V
E137-16 (ACC1) - Body ground Ignition switch ACC 11 to 14 V



Result:
Result
OK
NG



OK

REPLACE NAVIGATION RECEIVER ASSEMBLY

Click hereAudio / Visual / Telematics>NAVIGATION / MULTI INFO DISPLAY>NAVIGATION RECEIVER>REMOVAL


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)

4.CHECK FOR OPEN IN CAN BUS LINES (RADIO AND DISPLAY RECEIVER ASSEMBLY BRANCH LINE)
a.

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


b.

Disconnect the E136 radio and display receiver assembly connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition

Click Location & Routing(E136)Location & Routing

Click Connector(E136)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Navigation Receiver Assembly

E136-13 (CANH) - E136-14 (CANL) Cable disconnected from negative (-) battery terminal 54 to 69 Ω



Result:
Result
OK
NG



OK

5.CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)

NG

REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY)

5.CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)
a.

Disconnect the E137 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

Click Location & Routing(E137)Location & Routing

Click Connector(E137)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Navigation Receiver Assembly

E137-1 (GND1) - Body ground Cable disconnected from negative (-) battery terminal Below 1 Ω



c.

Reconnect the cable to the negative (-) battery terminal.


d.

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

Standard Voltage:
Tester Connection Condition Specified Condition

Click Location & Routing(E137)Location & Routing

Click Connector(E137)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Navigation Receiver Assembly

E137-15 (IG) - Body ground Ignition switch ON 11 to 14 V
E137-4 (+B1) - Body ground Always 11 to 14 V
E137-16 (ACC1) - Body ground Ignition switch ACC 11 to 14 V



Result:
Result
OK
NG



OK

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

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


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)