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 |
|
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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:
Engine Hood Courtesy Switch
Components
COMPONENTS
ILLUSTRATION
Inspection
INSPECTION
PROCEDURE
1. INSPECT HOOD COURTESY SWITCH (HOOD LOCK ASSEMBLY)
(a) Check the resistance.
(1) Measure the resistance according to the value(s) in the table below.
Text in Illustration
*a
...
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 ...
Installation
INSTALLATION
PROCEDURE
1. INSTALL CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Intake Side of
Bank 1)
(a) Apply engine oil to a new O-ring and install it to the camshaft timing
oil control solenoid assembly in the locations shown in the illustration.
Text in Illustration ...
