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.
- If the problem only occurs in certain locations or at certain times of day, check for wave interference.
- If the vehicle components are added, check for wave interference from the added components.
|
Symptom |
Suspected Area |
See page |
|---|---|---|
|
Security indicator light does not blink |
Proceed to "Security Indicator Light Does not Blink" |
|
|
Engine immobiliser system does not operate properly |
Proceed to "Immobiliser System does not Operate Properly" |
|
|
Engine cannot be started*1 |
Certification ECU (smart key ECU assembly) |
|
|
ECM |
|
|
|
SFI system |
|
|
|
Power source mode cannot be changed*1 |
Engine switch |
|
|
Certification ECU (smart key ECU assembly) |
|
|
|
Steering lock lock/unlock not possible*2 |
Steering lock ECU (steering lock actuator or upr bracket assembly) |
|
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- *1: Refer to Problem Symptoms Table for Smart Key System (for Start Function).
- *2: Refer to Problem Symptoms Table for Steering Lock System.
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use this procedure to troubleshoot the engine immobiliser system.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO W ...
Registration
REGISTRATION
PROCEDURE
1. DESCRIPTION OF CODE REGISTRATION
HINT:
Registering an ID code enables the entry and start function, wireless
door lock control function and engine immobiliser ...
Other materials:
Multi-terrain Select Switch
Components
COMPONENTS
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. REMOVE MULTI-TERRAIN SELECT SWITCH (DRIVE MONITOR SWITCH)
(a) Disengage the 2 claws to remove the multi-terrain select switch (drive
monitor switch).
Inspection ...
Interior Light Circuit
DESCRIPTION
The illuminated entry system controls the interior lights.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing
the following inspection procedure.
If the main body ECU (multiplex network body ECU) i ...
Windshield wipers and washer
■ Without intermittent type
Type A
Low speed windshield wiper
operation
High speed windshield wiper operation
Temporary operation
Washer operation
Type B
Low speed windshield wiper operation
High speed windshield wiper operation
Temporary operation
Washer op ...
