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:

Power Source Mode does not Change to ON (IG)
DESCRIPTION If the engine switch is pressed with the electrical key transmitter sub-assembly in the cabin, the certification ECU (smart key ECU assembly) receives a signal and changes the power source mode. HINT: When the cable is disconnected and reconnected to the negative (-) battery termi ...

How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: The vehicle stability control system troubleshooting procedures are based on the premise that the CAN communication system is functioning normally. Check the CAN communication system first before troubleshooting the vehicle stability control system ...

Removal
REMOVAL CAUTION / NOTICE / HINT NOTICE: If one of the camshaft timing gear bolts is already removed, do not remove any other camshaft timing gear bolts. PROCEDURE 1. REMOVE NO. 2 ENGINE UNDER COVER SUB-ASSEMBLY (w/ Off Road Package) 2. REMOVE NO. 1 ENGINE UNDER COVER SUB-ASSEMBLY 3. REMOVE ...