Toyota Tundra Service Manual: Operation Check

OPERATION CHECK

1. CHECK SEAT CUSHION CLIMATE CONTROL BLOWER

(a) Turn the ignition switch to ON.

(b) Set the seat heater switch blower side to level 3 (maximum).

(c) Check that the fan motor turns smoothly.

2. CHECK SEATBACK CLIMATE CONTROL BLOWER

(a) Turn the ignition switch to ON.

(b) Set the seat heater switch blower side to level 3 (maximum).

(c) Check that the fan motor turns smoothly.

    How To Proceed With Troubleshooting

    Parts Location

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    DESCRIPTION Each unit of the navigation system connected to the AVC-LAN (communication bus) transfers the switch signals using the AVC-LAN. If a short to +B or short to ground occurs in the AVC-LAN, the navigation system will not function normally because communication is not possible. WIRING DIAGRA ...

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    Toyota Tundra Service Manual

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