Toyota Tundra Service Manual: Power Source Circuit

Toyota Tundra Service Manual / Engine, Hybrid System / Cruise Control / Lane Departure Alert System / Power Source Circuit

DESCRIPTION

This circuit provides power to operate the forward recognition camera.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

Inspect the fuses for circuits related to this system before performing the following inspection procedure.

PROCEDURE

1.	CHECK HARNESS AND CONNECTOR (POWER SOURCE VOLTAGE)

(a) Disconnect the forward recognition camera connector.

*a	Front view of wire harness connector (to Forward Recognition Camera)

(b) Turn the ignition switch to ON.

Standard Voltage:

Tester Connection	Condition	Specified Condition
W9-7 (IGB) - Body ground	Ignition switch ON	11 to 14 V

(d) Connect the forward recognition camera connector.

REPAIR OR REPLACE HARNESS OR CONNECTOR

2.	CHECK HARNESS AND CONNECTOR (FORWARD RECOGNITION CAMERA - BODY GROUND)

(a) Disconnect the forward recognition camera connector.

*a	Front view of wire harness connector (to Forward Recognition Camera)

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
W9-10 (GND) - Body ground	Always	Below 1 Ω

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

REPAIR OR REPLACE HARNESS OR CONNECTOR

See More:

Toyota Tundra Service Manual > Sfi System: Basic Inspection
CAUTION / NOTICE / HINT When a malfunction is not confirmed by the DTC check, troubleshooting should be carried out in all circuits considered to be possible causes of the problem. In many cases, by carrying out the basic engine check shown in the following flowchart, the location of the problem can ...

Toyota Tundra Service Manual: Power Source Circuit

Parts Location

Precaution

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