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:
Clutch Master Cylinder
Components
COMPONENTS
ILLUSTRATION
Installation
INSTALLATION
PROCEDURE
1. INSTALL CLUTCH MASTER CYLINDER ASSEMBLY
(a) Install the clutch master cylinder assembly to the clutch pedal support with
the 2 bolts.
Torque:
12 N·m {120 kgf·cm, 9 ft·lbf}
(b) Install the clutch start swi ...
Microphone Circuit between Microphone and Radio Receiver
DESCRIPTION
The radio and display receiver assembly and telephone microphone assembly are
connected to each other using the microphone connection detection signal lines.
Using this circuit, the radio and display receiver assembly sends power to the
telephone microphone assembly, and the teleph ...
Turn Signal Switch Circuit
DESCRIPTION
The combination meter assembly receives the turn signal switch information and
controls the turn signal lights.
WIRING DIAGRAM
PROCEDURE
1.
READ VALUE USING TECHSTREAM (TURN SIGNAL SWITCH)
(a) Connect the Techstream to the DLC3.
(b) Turn the igni ...
