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:
Disposal
DISPOSAL
CAUTION / NOTICE / HINT
CAUTION:
Before performing pre-disposal deployment of any SRS part, review and closely
follow all applicable environmental and hazardous material regulations. Predisposal
deployment may be considered hazardous material treatment.
PROCEDURE
1. PRECAUTION
...
Adjustment
ADJUSTMENT
CAUTION / NOTICE / HINT
NOTICE:
For vehicles equipped with VSC, if the wheel alignment has been adjusted, and
if suspension or underbody components have been removed/installed or replaced, be
sure to perform the following initialization procedure in order for the system to
functi ...
Evaporator Temperature Sensor Circuit (B1413)
DESCRIPTION
The cooler thermistor sensor (evaporator temperature sensor) is installed on
the evaporator in the air conditioner unit to detect the temperature of the cooled
air that has passed through the evaporator and is used to control the air conditioning.
It sends signals to the air condi ...
