DESCRIPTION This circuit sends an operation signal from the steering pad switch assembly to the navigation receiver assembly. If there is an open in the circuit, the audio system cannot be operated using the steering pad switch assembly. If there is a short in the circuit, the same condition as when a switch is continuously depressed occurs. Therefore, the navigation receiver assembly cannot be operated using the steering pad switch assembly, and also the navigation receiver assembly itself cannot function. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE:
PROCEDURE
(a) Remove the steering pad switch assembly (See page ). (b) Inspect the steering pad switch assembly (See page ).
(a) Remove the spiral cable sub-assembly (See page ). (b) Inspect the spiral cable sub-assembly (See page ).
(a) Disconnect the J135 navigation receiver assembly connector. (b) Disconnect the J45 spiral cable sub-assembly connector. (c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
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Toyota Tundra Service Manual > Outer Mirror Switch: Inspection
INSPECTION PROCEDURE 1. INSPECT OUTER MIRROR SWITCH ASSEMBLY (w/o Retract Mirror) (a) Check the resistance. (1) Select "L" on the left/right adjustment switch. (2) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specifie ...