C Reconnect the front door courtesy switch connector

REPLACE FRONT DOOR COURTESY SWITCH (DRIVER SIDE)

CHECK HARNESS AND CONNECTOR (FRONT DOOR COURTESY SWITCH - MAIN BODY ECU)

Wire Harness Side:

Front Door Courtesy Switch Connector (Driver Side)

Front View

Main Body ECU Connector

C4A)

2006 Toyota Sienna Driver Body Ecu

DCTY

Front View

DCTY

Front View

B112021E08

(a) Disconnect the J2 front door courtesy switch connector.

(b) Disconnect the 4A main body ECU connector.

(c) Measure the resistance. Standard resistance

Tester Connection

Specified Condition

J2-1 - 4A-21 (DCTY)

Below 1 Q

(d) Reconnect the front door courtesy switch connector.

(e) Reconnect the main body ECU connector.

REPLACE FRONT DOOR COURTESY SWITCH (DRIVER SIDE)

REPLACE MAIN BODY ECU

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  • Charles
    How to fix toyota yaris door courtesy switch?
    8 years ago

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