Toyota Tundra Service Manual: 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.

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

REPAIR OR REPLACE HARNESS OR CONNECTOR

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.

END (COMBINATION METER ASSEMBLY IS DEFECTIVE)

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

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Toyota Tundra Owners Manual