Toyota Tundra Service Manual: Fail-safe Chart

FAIL-SAFE CHART

FAIL-SAFE FUNCTION

(a) When a malfunction occurs in the tire pressure warning system, the tire pressure warning light illuminates after blinking for 1 minute to inform the driver of the system failure.

(b) As a result of this, tire pressure monitoring is disabled and a DTC is stored in the tire pressure warning ECU and receiver.

(c) When there is a system malfunction, the output display according to the tire position turns off.

    ECU Power Source Circuit

    How To Proceed With Troubleshooting

    See More:

    Toyota Tundra Service Manual > Trailer Brake Control System: Freeze Frame Data
    FREEZE FRAME DATA FREEZE FRAME DATA/INFORMATION (a) When a DTC is stored, the trailer brake control ECU (brake control with bracket relay) stores the current vehicle state as Freeze Frame Data. HINT: Freeze Frame Data at the time a DTC is stored: When the trailer brake control ECU (brake control wit ...

    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

    © 2026 Copyright www.ttundra.com
    0.0173