Toyota Tacoma manuals

Toyota Tacoma 2015-2018 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.

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:

Terminals Of Ecu
TERMINALS OF ECU 1. CHECK DRIVER SIDE JUNCTION BLOCK AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) (a) Disconnect the MB main body ECU (multiplex network body ECU) connectors. (b) Measure the voltage and resistance according to the value(s) in the table below. HINT: Measure the values on ...

Disassembly
DISASSEMBLY CAUTION / NOTICE / HINT HINT: Use the same procedures for both the LH and RH sides. The procedure described below is for the LH side. PROCEDURE 1. REMOVE OUTER MIRROR (a) Push the lower part of the mirror surface and tilt it. Text in Illustration ...

Power Source Mode does not Change to ON (IG and ACC)
DESCRIPTION If any of the following operations are performed, the certification ECU (smart key ECU assembly) receives a signal, and changes the power source mode. With the electrical key transmitter sub-assembly in the cabin, the engine switch is pressed. When the battery of the e ...

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