Toyota Tacoma (2015-2018) Service Manual: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
*: Use the Techstream.
PROCEDURE
|
1. |
VEHICLE BROUGHT TO WORKSHOP |
|
.gif)
|
2. |
CUSTOMER PROBLEM ANALYSIS |
Click here .gif)
(a) Confirm problem symptoms.
|
|
3. |
CHECK CAN COMMUNICATION SYSTEM* |
Click here
|
Result |
Proceed to |
|---|---|
|
DTCs not output |
A |
|
DTCs output |
B |
| B | .gif) |
CHECK CAN COMMUNICATION CIRCUIT |
|
|
4. |
WARNING LIGHT CHECK |
Click here
|
|
5. |
CHECK CHECK (Present and Past DTCs)* |
Click here
|
Result |
Proceed to |
|---|---|
|
DTCs output |
A |
|
DTCs not output |
B |
| B | |
PROBLEM SYMPTOMS TABLE |
|
|
6. |
DTC CHART |
Click here
|
|
7. |
CIRCUIT INSPECTION |
|
|
8. |
REPAIR OR REPLACEMENT |
|
|
9. |
DTC CLEARANCE (Present and Past DTCs)* |
Click here
|
|
10. |
DTC CHECK* |
Click here
|
Result |
Proceed to |
|---|---|
|
DTCs not output |
A |
|
DTCs output |
B |
| B | |
DIAGNOSTIC TROUBLE CODE CHART |
|
|
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:
Rear Right Center Sensor Malfunction (C1AE8)
DESCRIPTION
The No. 1 ultrasonic sensor (rear center sensor RH) is installed on the rear
bumper. The ECU detects obstacles based on signals received from the No. 1 ultrasonic
sensor (rear center sensor RH). If the No. 1 ultrasonic sensor (rear center sensor
RH) has an open circuit or other ma ...
Front Passenger Side Seat Belt Warning Light Malfunction
DESCRIPTION
The occupant classification ECU detects the state of the front seat inner belt
assembly RH and load sensor when the front passenger side seat is occupied with
the ignition switch ON. If the front passenger side seat belt is not fastened, the
front passenger side seat belt warning ...
Acceleration Sensor Stuck Malfunction (C1232,C1243,C1245,C1279)
DESCRIPTION
The skid control ECU (master cylinder solenoid) receives signals from the yaw
rate and acceleration (airbag sensor assembly) via the CAN communication system.
The airbag sensor assembly has a built-in yaw rate and acceleration sensor and
detects the vehicle's condition using 2 ...
