Toyota Tacoma (2015-2018) Service Manual: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
Techstream can be used in steps 3, 6, 9 and 12.
PROCEDURE
|
1. |
VEHICLE BROUGHT TO WORKSHOP |
|
.gif)
|
2. |
CUSTOMER PROBLEM ANALYSIS |
|
|
3. |
CHECK AND CLEAR DTCS AND FREEZE FRAME DATA |
|
|
4. |
PROBLEM SYMPTOM CONFIRMATION |
|
|
5. |
CHECK CAN COMMUNICATION SYSTEM |
(a) Check for output DTCs.
HINT:
The ECM of this system is connected to the CAN communication system. Therefore, before starting troubleshooting, be sure to check that there is no trouble in the CAN communication system.
|
Result |
Proceed to |
|---|---|
|
CAN communication system DTC not output |
A |
|
CAN communication system DTC output |
B |
| B | .gif) |
CAN COMMUNICATION SYSTEM |
|
|
6. |
CHECK CLEAR DTCS |
|
|
7. |
PROBLEM SYMPTOM SIMULATION |
|
Result |
Proceed to |
|---|---|
|
Symptom does not occur |
A |
|
Symptom occurs |
B |
| B | |
GO TO STEP 9 |
|
|
8. |
SYMPTOM SIMULATION |
|
|
9. |
CHECK DTCS (OTHER THAN CAN SYSTEM DTCS) |
|
Result |
Proceed to |
|---|---|
|
DTC not output |
A |
|
DTC output |
B |
| B | |
GO TO STEP 11 |
|
|
10. |
PROBLEM SYMPTOMS TABLE |
| NEXT | |
GO TO STEP 12 |
|
11. |
DTC CHART |
|
|
12. |
CIRCUIT INSPECTION |
|
|
13. |
PROBLEM IDENTIFICATION |
|
|
14. |
REPAIR OR REPLACE |
|
|
15. |
CONFIRMATION TEST |
| NEXT | |
END |
Precaution
PRECAUTION
1. IGNITION SWITCH EXPRESSION
(a) The type of ignition switch used on this model differs depending on the specifications
of the vehicle. The expressions listed in the table below are us ...
System Description
SYSTEM DESCRIPTION
1. SYSTEM DESCRIPTION
HINT:
The skid control ECU is built into the hydraulic brake booster.
(a) ABS (Anti-lock Brake System)
The ABS helps prevent the wheels from locking when ...
Other materials:
Skid Control Buzzer Circuit (C1A4A)
DESCRIPTION
The millimeter wave radar sensor assembly is connected to the forward recognition
camera via CAN communication.
The millimeter wave radar sensor assembly operates the pre-collision alarm by
sending a buzzer request signal to the skid control buzzer.
If the millimeter wave radar se ...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use these procedures to troubleshoot the forward recognition camera
system.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
...
Data List / Active Test
DATA LIST / ACTIVE TEST
1. READ DATA LIST
HINT:
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 sig ...
