Toyota Tundra Service Manual: Navigation Receiver Assembly Power Source Circuit

DESCRIPTION

This circuit provides power to the navigation receiver assembly.

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 (NAVIGATION RECEIVER ASSEMBLY - BATTERY AND BODY GROUND)

(a) Disconnect the navigation receiver assembly connectors.

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
J133-7 (GND) - Body ground	Always	Below 1 Ω

Standard Voltage:

Text in Illustration

*a	Front view of wire harness connector (to Navigation Receiver Assembly)

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