All Doors Lock/Unlock Functions Do Not Operate Via Door Control Switch

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

All Doors LOCK/UNLOCK Functions do not Operate Via Door Control Switch

DESCRIPTION

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

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. READ VALUE USING TECHSTREAM (DOOR CONTROL SWITCH)
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Main Body / Data List.
(e) Read the Data List according to the display on the Techstream.

Main Body (Main Body ECU (Driver Side Junction Block Assembly))





OK:
On the Techstream screen, ON or OFF will be displayed accordingly.

NG -- INSPECT DOOR CONTROL SWITCH ASSEMBLY
OK -- REPLACE MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY)
2. INSPECT DOOR CONTROL SWITCH ASSEMBLY




(a) Remove the door control switch assembly Removal.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:





Text in Illustration





NG -- REPLACE DOOR CONTROL SWITCH ASSEMBLY
OK -- Continue to next step.

3. CHECK HARNESS AND CONNECTOR (DOOR CONTROL SWITCH - MAIN BODY ECU AND BODY GROUND)




(a) Disconnect the 2J driver side junction block connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:





Text in Illustration





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY)