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 > Vehicle Stability Control System: Open in ABS Solenoid Relay Circuit (C146E)
DESCRIPTION The ABS solenoid relay is built into the skid control ECU in the brake actuator assembly. The ABS solenoid relay supplies power to the ABS and TRAC solenoids. The skid control ECU (brake actuator assembly) detects an ABS solenoid relay malfunction by performing a self check and relay ope ...

Toyota Tundra Owners Manual