Wireless Door Lock Control System (W/ Entry And Start System) - How To Proceed With Troubleshooting

Land Cruiser URJ200 URJ202 GRJ200 VDJ200 - DOOR LOCK


WIRELESS DOOR LOCK CONTROL SYSTEM (w/ Entry and Start System) - HOW TO PROCEED WITH TROUBLESHOOTING

  • HINT:
The wireless door lock control system troubleshooting procedures are based on the premise that the following systems are operating normally. Check these systems first before troubleshooting the wireless door lock control system.
Power door lock control system
Power window control system
Sliding roof system
Use these procedures to troubleshoot the wireless door lock control system.
*: Use the intelligent tester.

1.VEHICLE BROUGHT TO WORKSHOP
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2.INSPECT BATTERY VOLTAGE
  • Standard voltage:
  • 11 to 14 V

If the voltage is below 11 V, recharge or replace the battery before proceeding.

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3.CHECK FOR DTC*

Check for DTCs and note any codes that are output ().

Clear the DTCs ().

Recheck for DTCs (). Based on the DTCs output above, try to force output of the same CAN communication system DTC, LIN communication system DTC or wireless door lock control system DTC by simulating the symptoms indicated by the DTC.

Result
ResultProceed to
DTC is not outputA
CAN communication system (for LHD) DTC is outputB
CAN communication system (for RHD) DTC is outputC
LIN communication system DTC is outputD
Wireless door lock control system DTC is outputE
B.
Go to CAN COMMUNICATION SYSTEM ()
C.
Go to CAN COMMUNICATION SYSTEM ()
D.
Go to LIN COMMUNICATION SYSTEM ()
E.
Go to DIAGNOSTIC TROUBLE CODE CHART ()
A
4.PROBLEM SYMPTOMS TABLE

Refer to the Problem Symptoms Table ().

Result
ResultProceed to
Fault is not listed in problem symptoms tableA
Fault is listed in problem symptoms tableB
B.
Go to step 6
A
5.OVERALL ANALYSIS AND TROUBLESHOOTING*

Operation Check ()

Terminals of ECU ()

Data List / Active Test ()

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6.REPAIR OR REPLACE
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7.CONFIRMATION TEST
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END