Toyota Tundra Service Manual: Steering Pad Switch Circuit

DESCRIPTION

The forward recognition camera receives a lane departure alert switch signal from the steering pad switch assembly.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

The vehicle is equipped with a Supplemental Restraint System (SRS) which includes components such as airbags. Before servicing (including removal or installation of parts), be sure to read the precaution for Supplemental Restraint System.

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PROCEDURE

(a) Remove the steering pad switch assembly.

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(b) Inspect the steering pad switch assembly.

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NG

REPLACE STEERING PAD SWITCH ASSEMBLY

OK

(a) Remove the spiral with sensor cable sub-assembly.

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(b) Inspect the spiral with sensor cable sub-assembly.

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NG

REPLACE SPIRAL WITH SENSOR CABLE SUB-ASSEMBLY

OK

(a) Disconnect the J45 spiral with sensor cable sub-assembly connector.

(b) Disconnect the W9 forward recognition camera connector.

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

Standard Resistance:

(d) Connect the W9 forward recognition camera connector.

(e) Connect the J45 spiral with sensor cable sub-assembly connector.

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

(a) Disconnect the J45 spiral with sensor cable sub-assembly connector.

(b) Disconnect the A24 ECM connector.

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

Standard Resistance:

(d) Connect the J45 spiral with sensor cable sub-assembly connector.

(e) Connect the A24 ECM connector.

OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR