POWER DOOR LOCK CONTROL SYSTEM > All Doors LOCK / UNLOCK Functions do not Operate Via Master Switch, Driver Side Door Key Cylinder

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

INSPECT FUSE (FR DOOR LH*1, FR DOOR RH*2, MPX-B, D/C CUT)

CHECK WIRE HARNESS (DRIVER DOOR ECU - BATTERY AND BODY GROUND)

CHECK DOOR LOCK OPERATION

REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY (POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY)

READ VALUE OF INTELLIGENT TESTER (DOOR LOCK AND UNLOCK SWITCH)

INSPECT FRONT DOOR LOCK ASSEMBLY (DRIVER SIDE) (DOOR LOCK AND UNLOCK SWITCH)

CHECK WIRE HARNESS (FRONT DOOR LOCK ASSEMBLY - MULTIPLEX NETWORK MASTER SWITCH)

CHECK WIRE HARNESS (DRIVER DOOR ECU - FRONT DOOR LOCK ASSEMBLY (DRIVER SIDE))

REPLACE DRIVER DOOR ECU