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:
Diagnosis System
DIAGNOSIS SYSTEM
1. CHECK DLC3
(a) The vehicle's ECU uses the ISO 9141-2 for communication protocol. The terminal
arrangement of the DLC3 complies with SAE J1962 and matches the ISO 15765-4 format.
Symbols (Terminal No.)
Terminal Description
Condition
...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the blind spot monitor system.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
...
ECU Power Source Circuit
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following
inspection procedure.
PROCEDURE
1.
INSPECT BATTERY
(a) Check the battery voltage.
Standard voltage:
11 to 14 V
NG
...
