DESCRIPTION
The body ECU receives a switch signal from the master switch, the door control switch, the driver door key cylinder and the passenger door key cylinder and then drives the door lock motor.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT FUSE (ECU-B)
Standard resistance: Below 1 Ω
2 PERFORM ACTIVE TEST BY INTELLIGENT TESTER
HINT: During the ACTIVE TEST, the intelligent tester sends a signal to the body ECU to drive all the power door lock motors. If the power door lock operates, the power door lock motor itself and the wire harness between the power door lock motor and body ECU are considered to be functioning normally.
BODY (Multiplex network body ECU)
3 CHECK OPERATION (MASTER SWITCH OR KEY CYLINDER)
4 INSPECT POWER WINDOW REGULATOR SWITCH ASSEMBLY (DOOR CONTROL SWITCH)
Standard resistance
5 CHECK HARNESS AND CONNECTOR (POWER WINDOW REGULATOR MASTER SWITCH - DRIVER SIDE J/B)
Standard resistance
REPAIR OR REPLACE HARNESS OR CONNECTOR
6 INSPECT DOOR CONTROL SWITCH ASSEMBLY
Standard resistance
7 CHECK HARNESS AND CONNECTOR (DOOR CONTROL SWITCH (PASSENGER SIDE) -DRIVER SIDE J/B)
Standard resistance
REPAIR OR REPLACE HARNESS OR CONNECTOR
8 INSPECT FRONT DOOR W/ MOTOR LOCK ASSEMBLY LH
Standard
Standard resistance
Standard resistance
9 CHECK HARNESS AND CONNECTOR (FRONT DOOR W/ MOTOR LOCK ASSEMBLY - DRIVER SIDE J/B)
Standard resistance
REPLACE DRIVER SIDE JUNCTION BLOCK ASSEMBLY (MULTIPLEX NETWORK BODY ECU)
10 INSPECT FRONT DOOR W/MOTOR LOCK ASSEMBLY RH
Standard
Standard resistance
Standard resistance
11 CHECK HARNESS AND CONNECTOR (FRONT DOOR W/ MOTOR LOCK ASSEMBLY RH - DRIVER SIDE J/B)
Standard resistance
REPLACE DRIVER SIDE JUNCTION BLOCK ASSEMBLY (MULTIPLEX NETWORK BODY ECU)
Do-it-yourself service
precautions
If you perform maintenance yourself, be sure to follow the correct
procedure as given in these sections.
Items
Parts and tools
Battery condition
Warm water
Baking soda
Grease
Conventional wrench (for terminal clamp bolts)
Brake ...
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Removal
1. DRAIN BRAKE FLUID
NOTICE:
Wash brake fluid off immediately if it adheres to any
painted surface.
2. DISCONNECT BATTERY NEGATIVE TERMINAL
3. REMOVE AIR CLEANER ASSEMBLY WITH HOSE
4. REMOVE BRAKE ACTUATOR WITH BRACKET
(a) Release the latch of the brake actuator connector to
disconnect the c ...