Toyota Tundra Service Manual: Clearance Warning Buzzer Circuit

Toyota Tundra Service Manual / Audio, Visual, Telematics / Park Assist / Monitoring / Intuitive Parking Assist System / Clearance Warning Buzzer Circuit

DESCRIPTION

The clearance warning buzzer is installed in the combination meter assembly.

WIRING DIAGRAM

PROCEDURE

1.

CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU ASSEMBLY - COMBINATION METER ASSEMBLY)

(a) Disconnect the J35 clearance warning ECU assembly connector.

(b) Disconnect the J28 combination meter assembly connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

J35-2 (ER) - J28-3 (BZ)

Always

Below 1 Ω

J35-2 (ER) - Body ground

Always

10 kΩ or higher
NG

REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

2.

CHECK COMBINATION METER ASSEMBLY

(a) Replace the combination meter assembly with a normally functioning or new one (See page ).

(b) Check that the clearance warning buzzer operates normally.

OK:

Clearance warning buzzer operates normally.

OK

END (COMBINATION METER ASSEMBLY IS DEFECTIVE)
NG

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

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    Clearance Warning ECU Power Source Circuit

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