Wireless Door Lock Control System (W/O Entry And Start System) No Answer-Back

Vehicle Interior. Land Cruiser. Urj200, 202 Grj200 Vdj200
Door Lock. Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CUSTOMIZE SETTING

CHECK WIRELESS DOOR LOCK CONTROL FUNCTIONS

READ VALUE USING GTS (DOOR LOCK POSITION SWITCH)

CHECK WIRELESS ANSWER-BACK OPERATION

CHECK HAZARD WARNING LIGHTS OPERATION

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 outputs from the main body ECU may be malfunctioning.

WIRING DIAGRAM


Land Cruiser. Urj200, 202 Grj200 Vdj200.Door Lock.Power Door Lock Control System.Wireless Door Lock Control System (W/O Entry And Start System)  No Answer-Back


INSPECTION PROCEDURE

NOTICE:
  1. The wireless door lock control system key reminder warning 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.
  2. If the main body ECU (cowl side junction block LH) is replaced, refer to the Entry and Start System (for Entry Function).
1.CUSTOMIZE SETTING
  1. Check the customize status of answer-back function has been default setting (Click here).

    Result
    Result
    Proceed to
    The customize status of answer-back function has been default setting.
    A
    The customize status of answer-back function has not been default setting.
    B


B
PERFORM CUSTOMIZE FUNCTION (Click here)
A


2.CHECK WIRELESS DOOR LOCK CONTROL FUNCTIONS
  1. Check the wireless door lock control functions using the electrical key transmitter sub-assembly (Click here).

    OK:
    Wireless door lock control functions are operated normally.


NG
Go to PROBLEM SYMPTOMS TABLE (Click here)
OK


3.READ VALUE USING GTS (DOOR LOCK POSITION SWITCH)
  1. Use the Data List to check if the door lock positions are functioning properly.

    Main Body
    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 / ON or OFF
    ON: Rear door RH unlocked
    OFF: Rear door RH locked
    -
    RL-Door Lock Pos SW
    Rear door LH unlock detection switch signal / ON or OFF
    ON: Rear door LH unlocked
    OFF: Rear door LH locked
    -
    OK:
    On tester screen, each item changes between LOCK and UNLOCK (ON and OFF) according to above chart.


NG
Go to LIGHTING SYSTEM (Click here)
OK


4.CHECK WIRELESS ANSWER-BACK OPERATION
  1. Check the wireless answer-back operation using the electrical key transmitter sub-assembly.

    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


B
Go to step 5
A

GO TO SMART ACCESS SYSTEM WITH PUSH-BUTTON START (Click here)

5.CHECK HAZARD WARNING LIGHTS OPERATION
  1. Check that the hazard warning signal light blinks when the hazard warning signal switch is pressed.

    OK:
    Hazard warning signal light is normal.
Result
Result
Proceed to
OK (for LHD)
A
OK (for RHD)
B
NG
C


B
REPLACE MAIN BODY ECU (Click here)

C
Go to LIGHTING SYSTEM (Click here)
A

REPLACE MAIN BODY ECU (Click here)