Toyota Tundra Service Manual: Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

HINT:

  • Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
  • Inspect the fuses and relays related to this system before inspecting the suspected areas below.
Seat Belt Warning System

Symptom

Suspected Area

See page

Driver side seat belt warning light does not operate

Airbag system

Front seat inner belt assembly LH

-

Combination meter assembly

-

Main body ECU (driver side junction block assembly)

-

Front passenger side seat belt warning light malfunction

Airbag system

Occupant classification system

-

Front seat inner belt assembly RH

-

Combination meter assembly

-

Seat belt warning light does not operate for driver and front passenger seats

Combination meter assembly

-

Seat belt warning buzzer does not operate

Combination meter assembly

-

    Precaution

    System Description

    See More:

    Toyota Tundra Service Manual > Dynamic Radar Cruise Control System: Front Radar Sensor (C1A10)
    DESCRIPTION C1A10 is output when there is an internal malfunction in the millimeter wave radar sensor assembly. DTC No. Detection Item DTC Detection Condition Trouble Area C1A10 Front Radar Sensor While the vehicle speed is 36 km/h (22 mph) or more and the dynamic radar cruise control system is oper ...

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