Toyota Tundra Service Manual: Pressing Power Switch does not Turn on System

PROCEDURE

1.	CHECK VEHICLE CONDITION

(a) Check that conditions in the cabin are not likely to cause condensation.

HINT:

This problem occurs when the cabin is humid and the temperature changes rapidly. This may produce condensation, resulting in a short circuit.

OK:

Condensation is not likely to be produced.

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

DRY OUT CABIN AND RECHECK CONDITION

Toyota Tundra Service Manual > Occupant Classification System: Rear Occupant Classification Sensor RH Circuit Malfunction (B1783)
DESCRIPTION The rear occupant detection sensor RH circuit consists of the occupant classification ECU and the rear occupant detection sensor RH. DTC B1783 is set when a malfunction is detected in the rear occupant detection sensor RH circuit. DTC Code DTC Detection Condition Trouble Area B1783 One o ...

Toyota Tundra Owners Manual