Toyota Tundra Service Manual: Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

HINT:

Use the table below to help determine the cause of the problem symptom. 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.

Occupant classification system:

Symptom	Suspected Area	See page
Front seat RH occupant conditions and displayed passenger airbag ON/OFF indicator do not correspond	Passenger airbag ON/OFF indicator circuit

Toyota Tundra Service Manual > Air Conditioning System(for Automatic Air Conditioning System): Solar Sensor Circuit (Passenger Side) (B1421/21)
DESCRIPTION The solar sensor, which is installed on the upper side of the instrument panel, detects sunlight and controls the air conditioning in AUTO mode. The output current from the solar sensor varies according to the amount of sunlight. When the sunlight increases, the output current increases. ...

Toyota Tundra Owners Manual