Toyota Tundra Service Manual: Indicator Circuit

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

DESCRIPTION

The sonar ON/OFF indicator light and warning indicator lights are 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
J35-7 (L1) - J28-8 (RR)	Always	Below 1 Ω
J35-8 (L2) - J28-9 (RL)	Always	Below 1 Ω
J35-23 (L3) - J28-4 (BK)	Always	Below 1 Ω
J35-9 (L4) - J28-6 (FR)	Always	Below 1 Ω
J35-24 (L5) - J28-7 (FL)	Always	Below 1 Ω
J35-10 (L10) - J28-5 (OP)	Always	Below 1 Ω
J35-7 (L1) - Body ground	Always	10 kΩ or higher
J35-8 (L2) - Body ground	Always	10 kΩ or higher
J35-23 (L3) - Body ground	Always	10 kΩ or higher
J35-9 (L4) - Body ground	Always	10 kΩ or higher
J35-24 (L5) - Body ground	Always	10 kΩ or higher
J35-10 (L10) - 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 multi-information display in the combination meter assembly operates normally.

OK:

Multi-information display in the combination meter assembly operates normally.

END (COMBINATION METER ASSEMBLY IS DEFECTIVE)

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

How To Proceed With Troubleshooting

Operation Check

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Toyota Tundra Service Manual: Indicator Circuit

How To Proceed With Troubleshooting

Operation Check

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