POWER DOOR LOCK CONTROL SYSTEM All Doors LOCK/UNLOCK Functions do not Operate Via Door Control Switch

DESCRIPTION

The main body ECU (instrument panel junction block) receives switch signals from the door control switch and activates the door lock motor on each door according to these signals.

INSPECTION PROCEDURE

PROCEDURE

1. Click here

   INSPECT DOOR CONTROL SWITCH ASSEMBLY (DOOR LOCK AND UNLOCK SWITCH)

   
   

   1. Remove the door control switch (see pageClick here).

   2. 

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

      Standard resistance
      Tester Connection Switch Condition Specified Condition 4 - 3 Locked Below 1 Ω 4 - 3 2 - 3 OFF (Free) 10 kΩ or higher 2 - 3 Unlocked Below 1 Ω

   
   
   • OKClick here
   • NGClick here
2. Click here

   CHECK HARNESS AND CONNECTOR (DOOR CONTROL SWITCH CIRCUIT)

   
   
   1. 

      Disconnect the instrument panel junction block connector.

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

      Standard resistance
      for LHD
      Tester Connection Condition Specified Condition G6-2 (UL) - 1J-4 Always Below 1 Ω G6-4 (L) - 1J-3 Always Below 1 Ω G6-3 (E) - Body ground Always Below 1 Ω G6-2 (UL) - Body ground Always 10 kΩ or higher G6-4 (L) - Body ground Always 10 kΩ or higher
      for RHD
      Tester Connection Condition Specified Condition H9-2 (UL) - 1J-4 Always Below 1 Ω H9-4 (L) - 1J-3 Always Below 1 Ω H9-3 (E) - Body ground Always Below 1 Ω H9-2 (UL) - Body ground Always 10 kΩ or higher H9-4 (L) - Body ground Always 10 kΩ or higher

   
   
   • OKClick here
   • NGClick here
3. Click here

   REPLACE MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK)

4. Click here

   REPLACE DOOR CONTROL SWITCH ASSEMBLYClick here

5. Click here

   REPAIR OR REPLACE HARNESS OR CONNECTOR