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:

Parts Location
PARTS LOCATION ILLUSTRATION *A for Hydraulic Brake Booster *B for Vacuum Brake Booster *1 FORWARD RECOGNITION CAMERA *2 MILLIMETER WAVE RADAR SENSOR ASSEMBLY *3 HYDRAULIC BRA ...

TC and CG Terminal Circuit
DESCRIPTION The DLC3 circuit enables reading of Diagnostic Trouble Codes (DTCs) with no Techstream by connecting terminals TC and CG of the DLC3 connector. Stored DTCs are displayed in blinking patterns of the CRUISE MAIN indicator light located on the combination meter. WIRING DIAGRAM HIN ...

Key-off Operation Function Operates even if Operating Conditions are not Satisfied
DESCRIPTION When the front doors are closed, each power window regulator motor assembly can control its power window operation for approximately 43 seconds after the ignition switch is turned from ON to off by receiving operation permission signals from the main body ECU. How ...

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