Toyota Venza manuals

Toyota Venza: Door Courtesy Switch Circuit

DESCRIPTION

When an additional transponder key is registered, the transponder key ECU assembly detects the front door courtesy light switch assembly (for driver side) open/close condition, and enters the key registration mode.

WIRING DIAGRAM


CAUTION / NOTICE / HINT

NOTICE:

If the transponder key ECU assembly is replaced, register the key and ECU communication ID (See page ).


PROCEDURE

1.

CHECK HARNESS AND CONNECTOR (FRONT DOOR COURTESY LIGHT SWITCH CIRCUIT)

(a) Disconnect the transponder key ECU assembly connector.


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

Standard Resistance:

Tester Connection

Switch Condition

Specified Condition

D22-7 (CTY) - Body ground

Courtesy switch pushed

(Door closed)

10 kΩ or higher

D22-7 (CTY) - Body ground

Courtesy switch free

(Door open)

Below 1 Ω

Text in Illustration

*1

Front view of wire harness connector

(to Transponder Key ECU Assembly)


OK

REPLACE TRANSPONDER KEY ECU ASSEMBLY


NG

2.

INSPECT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (for Driver Side)

(a) Remove the front door courtesy light switch assembly (for driver side) (See page ).



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

Standard Resistance:

Tester Connection

Switch Condition

Specified Condition

1 - Switch body

Courtesy switch pushed

(Door closed)

10 kΩ or higher

1 - Switch body

Courtesy switch free

(Door open)

Below 1 Ω

Text in Illustration

*1

Component without harness connected

(Front Door Courtesy Light Switch Assembly (for Driver Side))

*2

Switch Body


OK

REPAIR OR REPLACE HARNESS OR CONNECTOR (TRANSPONDER KEY ECU - FRONT DOOR COURTESY LIGHT SWITCH)


NG

REPLACE FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (for Driver Side)

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