Toyota Tacoma (2015-2018) Service Manual: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
*: Use the Techstream.
PROCEDURE
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1. |
VEHICLE BROUGHT TO WORKSHOP |
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.gif)
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2. |
CUSTOMER PROBLEM ANALYSIS |
Click here .gif)
(a) Confirm problem symptoms.
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3. |
CHECK CAN COMMUNICATION SYSTEM* |
Click here
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Result |
Proceed to |
|---|---|
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DTCs not output |
A |
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DTCs output |
B |
| B | .gif) |
CHECK CAN COMMUNICATION CIRCUIT |
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4. |
WARNING LIGHT CHECK |
Click here
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|
5. |
CHECK CHECK (Present and Past DTCs)* |
Click here
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Result |
Proceed to |
|---|---|
|
DTCs output |
A |
|
DTCs not output |
B |
| B | |
PROBLEM SYMPTOMS TABLE |
|
|
6. |
DTC CHART |
Click here
|
|
7. |
CIRCUIT INSPECTION |
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8. |
REPAIR OR REPLACEMENT |
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9. |
DTC CLEARANCE (Present and Past DTCs)* |
Click here
|
|
10. |
DTC CHECK* |
Click here
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Result |
Proceed to |
|---|---|
|
DTCs not output |
A |
|
DTCs output |
B |
| B | |
DIAGNOSTIC TROUBLE CODE CHART |
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|
11. |
CONFIRMATION TEST |
| NEXT | |
END |
System Diagram
SYSTEM DIAGRAM
Transmitting ECU
(Transmitter)
Receiving ECU
Signal
Communication Method
Airbag Sensor Assembly
ECM
...
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 lis ...
Other materials:
Data List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any parts. This non-intrusive
inspection can be very useful because intermittent conditions or signals may be ...
All Doors LOCK/UNLOCK Functions do not Operate Via Door Control Switch
DESCRIPTION
The main body ECU (multiplex network body ECU) receives switch signals from the
door control switch assembly on the front passenger door and activates the door
lock motor on each door according to these signals.
WIRING DIAGRAM
PROCEDURE
1.
READ VALUE USIN ...
Motor Power Supply Voltage Circuit (C142B-C146D)
DESCRIPTION
The motor relay and motor fail-safe relay are built into the brake actuator assembly.
During ABS, TRAC, VSC, or brake assist operation, the skid control ECU (brake
actuator assembly) turns on the motor relay to run the pump motor in the brake actuator
assembly.
When a motor system ...
