RM3660EC _58 Vehicle Interior _080729 DOOR LOCK _0601177 WIRELESS DOOR LOCK CONTROL SYSTEM(for NR Series Engine) J

DOOR LOCK  WIRELESS DOOR LOCK CONTROL SYSTEM(for NR Series Engine)  No Answer-Back  


DESCRIPTION

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

WIRING DIAGRAM

B479713E12
1.396,1.635 3.552,2.021 2.156,0.385 10 false Main Body ECU (Multiplex Network Body ECU) 4.063,1.667 6.667,1.927 2.604,0.26 10 false Combination Meter Assembly 0.635,2.438 4.302,2.635 3.667,0.198 10 false : CAN Communication Line

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 (for NR Series Engine)>HOW TO PROCEED WITH TROUBLESHOOTING

·

Before replacing the main body ECU (multiplex network body ECU), refer to Service Bulletin.

·

Before performing the inspection, check that DTC B1242 is not output.



PROCEDURE

1.CHECK CUSTOMIZE SETTING USING GTS (HAZARD ANSWER BACK)
a.

Connect the GTS to the DLC3.


b.

Turn the engine switch on (IG).


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)
50006 1

Result:
Result Proceed to
Hazard Answer Back setting is ON A
Hazard Answer Back setting is OFF B



A

2.CHECK WIRELESS DOOR LOCK CONTROL FUNCTIONS

B

PERFORM CUSTOMIZE FUNCTION

Click hereVehicle Interior>DOOR LOCK>WIRELESS DOOR LOCK CONTROL SYSTEM (for NR Series Engine)>CUSTOMIZE PARAMETERS


2.CHECK WIRELESS DOOR LOCK CONTROL FUNCTIONS
a.

Check the wireless door lock control function using the electrical key transmitter sub-assembly.

Click hereVehicle Interior>DOOR LOCK>WIRELESS DOOR LOCK CONTROL SYSTEM (for NR Series Engine)>OPERATION CHECK


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



A

3.READ VALUE USING GTS (FR DOOR LOCK POS, FL DOOR LOCK POS, RR- DOOR LOCK POS SW, RL- DOOR LOCK POS SW)

B

GO TO PROBLEM SYMPTOMS TABLE

Click hereVehicle Interior>DOOR LOCK>WIRELESS DOOR LOCK CONTROL SYSTEM (for NR Series Engine)>PROBLEM SYMPTOMS TABLE


3.READ VALUE USING GTS (FR DOOR LOCK POS, FL DOOR LOCK POS, RR- DOOR LOCK POS SW, RL- DOOR LOCK POS SW)
a.

Connect the GTS to the DLC3.


b.

Turn the engine switch on (IG).


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 Rear door RH unlock detection switch signal OFF or ON OFF: Rear door RH locked
ON: Rear door RH unlocked 		*1
RL-Door Lock Pos SW Rear door LH unlock detection switch signal OFF or ON OFF: Rear door LH locked
ON: Rear door LH unlocked 		*2

*1: When checking RR-Door Lock Pos SW, make sure to check it with the rear door LH locked.

*2: When checking RL-Door Lock Pos SW, make sure to check it with the rear door RH locked.


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 HAZARD WARNING LIGHTS OPERATION

NG

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

Click hereVehicle Interior>LIGHTING (INT)>LIGHTING SYSTEM (for NR Series Engine)>Door Unlock Detection Switch Circuit


4.CHECK HAZARD WARNING LIGHTS OPERATION
a.

Check that the hazard warning lights blink when the hazard warning signal switch is pressed.


OK:

Hazard warning lights blink.


Result:
Proceed to
OK
NG



OK

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

Click herePower Source / Network>POWER DISTRIBUTION>MAIN BODY ECU>REMOVAL


NG

GO TO LIGHTING SYSTEM (Proceed to Hazard Warning Switch Circuit)

Click hereVehicle Exterior>LIGHTING (EXT)>LIGHTING SYSTEM (for NR Series Engine)>Hazard Warning Switch Circuit