RM35X0E _58 Vehicle Interior _078336 DOOR LOCK _0379905 WIRELESS DOOR LOCK CONTROL SYSTEM(w/o Entry and Start System) J

DOOR LOCK  WIRELESS DOOR LOCK CONTROL SYSTEM(w/o Entry and Start System)  No Answer-Back  


DESCRIPTION

In some cases, wireless door lock control functions are normal but the hazard warning light and/or wireless door lock buzzer answer-back function* does not operate. In such cases, hazard warning light and wireless door lock buzzer* signal output from the main body ECU (multiplex network body ECU) may be malfunctioning.

*: w/ Wireless Door Lock Buzzer Answer-back Function


WIRING DIAGRAM

B472061E09
4.833,3.281 6.792,3.615 1.958,0.333 10 false Main Body ECU (Multiplex Network Body ECU) 4.906,3.104 5.229,3.313 0.323,0.208 10 false A 5.25,1.583 5.573,1.792 0.323,0.208 10 false BZR 1.927,1.583 2.25,1.792 0.323,0.208 10 false 1 0.594,1.594 0.917,1.802 0.323,0.208 10 false 2 0.5,2.438 2.458,2.771 1.958,0.333 10 false Wireless Door Lock Buzzer 3.594,2.458 5.177,2.802 1.583,0.344 10 false Instrument Panel Junction Block Assembly 3.625,2.271 3.948,2.479 0.323,0.208 10 false 3C 3.885,1.583 4.208,1.792 0.323,0.208 10 false 29 5.01,1.583 5.333,1.792 0.323,0.208 10 false 21 0.51,2.26 0.833,2.469 0.323,0.208 10 false A6 1.75,1.583 2.073,1.792 0.323,0.208 10 false B 0.76,1.594 1.083,1.802 0.323,0.208 10 false E 5.406,1.313 5.729,1.521 0.323,0.208 10 false +B

CAUTION / NOTICE / HINT

NOTICE:

The wireless door lock control system uses the CAN communication system. Inspect the communication function by following How to Proceed with Troubleshooting. Troubleshoot the wireless door lock control system after confirming that the communication system is functioning properly.

Click hereVehicle Interior>DOOR LOCK>WIRELESS DOOR LOCK CONTROL SYSTEM (w/o Entry and Start System)>HOW TO PROCEED WITH TROUBLESHOOTING


PROCEDURE

1.CHECK CUSTOMIZE SETTING
a.

Connect the GTS to the DLC3.


b.

Turn the ignition switch to ON.


c.

Turn the GTS on.


d.

Enter the following menus: Customize Setting / Wireless Door Lock.


e.

Select the setting by referring to the table below.

Wireless Door Lock
Tester Display Description Default Setting ECU
Hazard Answer Back Function that flashes the hazard warning lights once when the doors are locked by wireless operation and twice when the doors are unlocked by wireless operation ON 0:OFF,1:ON Main body ECU (Multiplex network body ECU)
Wireless Buzzer Resp Wireless door lock buzzer response* ON 0:OFF,1:ON Main body ECU (Multiplex network body ECU)
Wireless Buzzer Volume Wireless door lock buzzer volume* Level5 0000:Level7,0001:Level6,0010:Level5,0011:Level4,0100:Level3,0101:Level2,0110:Level1,0111:Level0 Main body ECU (Multiplex network body ECU)
50006 1

*: w/ Wireless Door Lock Buzzer Answer-back Function



Result:
Proceed to
Both items are ON and except Level 0
Either item is OFF or Level 0



Both items are ON and except Level 0

2.CHECK WIRELESS DOOR LOCK CONTROL FUNCTIONS

Either item is OFF or Level 0

PERFORM CUSTOMIZE FUNCTION

Click hereVehicle Interior>DOOR LOCK>WIRELESS DOOR LOCK CONTROL SYSTEM (w/o Entry and Start System)>CUSTOMIZE PARAMETERS


2.CHECK WIRELESS DOOR LOCK CONTROL FUNCTIONS
a.

Check the wireless door lock control function using the door control transmitter module set sub-assembly.

Click hereVehicle Interior>DOOR LOCK>WIRELESS DOOR LOCK CONTROL SYSTEM (w/o Entry and Start System)>OPERATION CHECK


Result:
Proceed to
Wireless door lock/unlock operates properly
Wireless door lock/unlock does not operate properly



Wireless door lock/unlock operates properly

3.READ VALUE USING GTS (FR Door Lock Pos, FL Door Lock Pos, RR Door Lock Pos, RL Door Lock Pos)

Wireless door lock/unlock does not operate properly

GO TO PROBLEM SYMPTOMS TABLE

Click hereVehicle Interior>DOOR LOCK>WIRELESS DOOR LOCK CONTROL SYSTEM (w/o Entry and Start System)>PROBLEM SYMPTOMS TABLE


3.READ VALUE USING GTS (FR Door Lock Pos, FL Door Lock Pos, RR Door Lock Pos, RL Door Lock Pos)
a.

Connect the GTS to the DLC3.


b.

Turn the ignition switch to ON.


c.

Turn the GTS on.


d.

Enter the following menus: Body Electrical / Main Body / Data List.


e.

Read the Data List according to the display on the GTS.

Body Electrical > Main Body > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note
FR Door Lock Pos Front door RH unlock detection switch signal LOCK or UNLOCK LOCK: Front door RH locked
UNLOCK: Front door RH unlocked 		-
FL Door Lock Pos Front door LH unlock detection switch signal LOCK or UNLOCK LOCK: Front door LH locked
UNLOCK: Front door LH unlocked 		-
RR-Door Lock Pos SW Slide door RH unlock detection switch signal*1 OFF or ON OFF: Slide door RH locked
ON: Slide door RH unlocked 		-
RL-Door Lock Pos SW Slide door LH unlock detection switch signal*2 OFF or ON OFF: Slide door LH locked
ON: Slide door LH unlocked 		-

*1: w/ Slide Door RH

*2: w/ Slide Door LH


Body Electrical > Main Body > Data List
Tester Display
FR Door Lock Pos
FL Door Lock Pos
RR-Door Lock Pos SW
RL-Door Lock Pos SW
50003 123 196,198,51,52
OK:

The GTS display changes correctly in response to the lock/unlock operation.



Result:
Proceed to
OK
NG



OK

4.CHECK WIRELESS ANSWER-BACK OPERATION

NG

GO TO LIGHTING SYSTEM (Proceed to Door Unlock Detection Switch Circuit)

Click hereVehicle Interior>LIGHTING (INT)>LIGHTING SYSTEM>Door Unlock Detection Switch Circuit


4.CHECK WIRELESS ANSWER-BACK OPERATION
a.

Check the wireless answer-back operation using the door control transmitter module set sub-assembly.

Click hereVehicle Interior>DOOR LOCK>WIRELESS DOOR LOCK CONTROL SYSTEM (w/o Entry and Start System)>OPERATION CHECK


Result:
Result Proceed to
Only wireless door lock buzzer answer-back does not occur.* A
Only hazard warning light answer-back does not occur. B


*: w/ Wireless Door Lock Buzzer Answer-back Function



A

5.PERFORM ACTIVE TEST USING GTS (Wireless Buzzer)

B

8.CHECK HAZARD WARNING LIGHTS OPERATION
5.PERFORM ACTIVE TEST USING GTS (Wireless Buzzer)
a.

Connect the GTS to the DLC3.


b.

Turn the ignition switch to ON.


c.

Turn the GTS on.


d.

Enter the following menus: Body Electrical / Main Body / Active Test.


e.

Perform Active Test according to the display on the GTS.

Body Electrical > Main Body > Active Test
Tester Display Measurement Item Control Range Diagnostic Note
Wireless Buzzer Wireless door lock buzzer OFF/ON -
Body Electrical > Main Body > Active Test
Tester Display
Wireless Buzzer
50004 123 12

Result:
Result Proceed to
Wireless buzzer does not sound A
Wireless buzzer sounds B



A

6.CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

B

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

for LHD:Power Source / Network>POWER DISTRIBUTION>MAIN BODY ECU (for LHD)>REMOVAL

for RHD:Power Source / Network>POWER DISTRIBUTION>MAIN BODY ECU (for RHD)>REMOVAL



6.CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
a.

Disconnect the A6 wireless door lock buzzer connector.


b.

Perform the Active Test using the GTS and sound the wireless door lock buzzer.

Body Electrical > Main Body > Active Test
Tester Display Measurement Item Control Range Diagnostic Note
Wireless Buzzer Wireless door lock buzzer OFF/ON -
Body Electrical > Main Body > Active Test
Tester Display
Wireless Buzzer
50004 123 12

c.

While performing the Active Test, measure the voltage between the terminals of the wireless door lock buzzer.

Standard Voltage:
Tester Connection Condition Specified Condition
A6-1 (B) - A6-2 (E) Active Test Wireless Buzzer ON Pulse generation
(frequency: 2 kHz, high voltage: 11 to 14 V, low voltage: below 1 V)
Active Test Wireless Buzzer OFF Below 1 V



Result:
Proceed to
OK
NG



OK

REPLACE WIRELESS DOOR LOCK BUZZER

for LHD:

Click hereVehicle Interior>DOOR LOCK>WIRELESS DOOR LOCK BUZZER (for LHD)>REMOVAL

for RHD:

Click hereVehicle Interior>DOOR LOCK>WIRELESS DOOR LOCK BUZZER (for RHD)>REMOVAL


NG

7.CHECK HARNESS AND CONNECTOR (WIRELESS DOOR LOCK BUZZER - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND BODY GROUND)
7.CHECK HARNESS AND CONNECTOR (WIRELESS DOOR LOCK BUZZER - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND BODY GROUND)
a.

Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly.

for LHD: Click herePower Source / Network>POWER DISTRIBUTION>MAIN BODY ECU (for LHD)>REMOVAL

for RHD: Click herePower Source / Network>POWER DISTRIBUTION>MAIN BODY ECU (for RHD)>REMOVAL


b.

Disconnect the A6 wireless door lock buzzer connector.


c.

Reconnect the 3C instrument panel junction block assembly connector.


d.

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

Standard Resistance:
Tester Connection Condition Specified Condition
A6-1 (B) - A-21 (BZR) Always Below 1 Ω
A6-2 (E) - Body ground Always Below 1 Ω
A6-1 (B) or A-21 (BZR) - Other terminals and body ground Always 10 kΩ or higher



Result:
Result Proceed to
OK A
NG (E terminal) B
NG (Other terminal) C



A

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

for LHD:Power Source / Network>POWER DISTRIBUTION>MAIN BODY ECU (for LHD)>REMOVAL

for RHD:Power Source / Network>POWER DISTRIBUTION>MAIN BODY ECU (for RHD)>REMOVAL



B

REPAIR OR REPLACE HARNESS OR CONNECTOR

C

9.CHECK HARNESS AND CONNECTOR (WIRELESS DOOR LOCK BUZZER - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY)
9.CHECK HARNESS AND CONNECTOR (WIRELESS DOOR LOCK BUZZER - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY)
a.

Disconnect the 3C instrument panel junction block assembly connector.


b.

Disconnect the A6 wireless door lock buzzer connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
A6-1 (B) - 3C-29 Always Below 1 Ω
A6-1 (B) or 3C-29 - Other terminals and body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

for LHD:Power Source / Network>POWER DISTRIBUTION>MAIN BODY ECU (for LHD)>REMOVAL

for RHD:Power Source / Network>POWER DISTRIBUTION>MAIN BODY ECU (for RHD)>REMOVAL



NG

REPAIR OR REPLACE HARNESS OR CONNECTOR