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Toyota Tacoma (2015-2018) Service Manual / Wiper / Washer / Wiper Switch / On-vehicle Inspection

Toyota Tacoma (2015-2018) Service Manual: On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT WINDSHIELD WIPER SWITCH ASSEMBLY (w/ Intermittent function)

(a) Remove the steering column cover.

(b) Check the front wiper intermittent operation.

Text in Illustration

*a

Component with harness connected

(Windshield Wiper Switch Assembly)

(1) Turn the ignition switch on (IG).

(2) Turn the wiper switch to the INT position.

(3) Operate the intermittent wiper and check the voltage between terminals C12-3 (+1) and C13-4 (EW).

HINT:

Measure the voltage on the wire harness side with the connector connected.

OK:

Voltage changes as shown in the illustration.

If the result is not as specified, replace the windshield wiper switch assembly.

If the result is not as specified, replace the windshield wiper switch assembly.

(c) Check the front washer operation.

Text in Illustration

*a

Component with harness connected

(Windshield Wiper Switch Assembly)

(1) Turn the ignition switch on (IG).

(2) Turn the washer switch on and off, and check the voltage between terminals C13-7 (WF) and C13-4 (EW).

HINT:

Measure the voltage on the wire harness side with the connector connected.

OK:

Voltage changes as shown in the illustration.

(3) Install the steering column cover.

(3) Install the steering column cover.

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