Toyota Tacoma (2015-2018) Service Manual: Problem Symptoms Table

Toyota Tacoma (2015-2018) Service Manual / Supplemental Restraint Systems / Airbag System / 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.

Symptom	Suspected Area	See page
When ignition switch in ON position, SRS warning light occasionally comes on approximately 6 seconds after engine start.	SRS warning light circuit malfunction (SRS Warning Light Remains ON).
SRS warning light always comes on even when DTC not set.	SRS warning light circuit malfunction (SRS Warning Light Remains ON).
With ignition switch in ON position, SRS warning light does not come on.	SRS warning light circuit malfunction (SRS Warning Light does not Come On).
Although SRS warning light operates normally, neither DTCs normal system indication displayed.	TC and CG Terminal Circuit
Although terminals TC and CG not connected, DTC or normal system indication displayed.	TC and CG Terminal Circuit

How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT ...

System Description

SYSTEM DESCRIPTION 1. SRS (SUPPLEMENTAL RESTRAINT SYSTEM) AIRBAG SYSTEM (a) General Description (1) The SRS airbag system consists of the following airbag and main components: Airbag ...

Other materials:

Screen Flicker or Color Distortion
PROCEDURE 1. CHECK DISPLAY SETTING (a) Reset display settings (contrast, brightness) and check that the screen appears normal. OK: The display returns to normal. OK END NG PROCEED TO NEXT SUSPECTED AREA SHOWN IN ...

VSC Buzzer Circuit
DESCRIPTION The skid control ECU (brake actuator assembly) is connected to the combination meter via CAN communication. The combination meter has a built-in VSC warning buzzer: Sounds intermittently to inform the driver if the temperature of brake actuator assembly has increased exce ...

Torque Converter Clutch Circuit Short to Battery or Open (P074015)
DESCRIPTION Shift solenoid valve SL is turned on and off by signals from the ECM to control the hydraulic pressure acting on the lock-up relay valve, which then controls operation of the lock-up clutch. DTC No. DTC Detection Condition Trouble Area SA ...