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

Toyota Tundra Service Manual > Automatic Transmission System: Shift Solenoid "D" Performance (Shift Solenoid Valve S4) (P0766,P0776)
DESCRIPTION The ECM uses signals from the output shaft speed sensor and input speed sensor to detect the actual gear position (1st, 2nd, 3rd, 4th, 5th or 6th gear). Then the ECM compares the actual gear with the shift schedule in the ECM memory to detect mechanical problems of the shift solenoid val ...

Toyota Tundra Owners Manual