Toyota Tundra Service Manual: 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) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

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

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

Toyota Tundra Service Manual > Power Tilt And Power Telescopic Steering Column System: Tilt and Telescopic Manual Switch Circuit
DESCRIPTION Different voltage values are sent to the multiplex tilt and telescopic ECU by operating the tilt and telescopic switch (headlight dimmer switch assembly). The multiplex tilt and telescopic ECU then judges which motor and in which direction that motor should operate based on the voltage v ...

Toyota Tundra Owners Manual