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
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1. |
VEHICLE BROUGHT TO WORKSHOP |
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.gif)
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2. |
CUSTOMER PROBLEM ANALYSIS |
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3. |
CHECK AND CLEAR DTCS AND FREEZE FRAME DATA |
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4. |
PROBLEM SYMPTOM CONFIRMATION |
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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.
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Result |
Proceed to |
|---|---|
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CAN communication system DTC not output |
A |
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CAN communication system DTC output |
B |
| B | .gif) |
CAN COMMUNICATION SYSTEM |
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6. |
CHECK CLEAR DTCS |
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7. |
PROBLEM SYMPTOM SIMULATION |
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Result |
Proceed to |
|---|---|
|
Symptom does not occur |
A |
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Symptom occurs |
B |
| B | |
GO TO STEP 9 |
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|
8. |
SYMPTOM SIMULATION |
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|
9. |
CHECK DTCS (OTHER THAN CAN SYSTEM DTCS) |
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Result |
Proceed to |
|---|---|
|
DTC not output |
A |
|
DTC output |
B |
| B | |
GO TO STEP 11 |
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|
10. |
PROBLEM SYMPTOMS TABLE |
| NEXT | |
GO TO STEP 12 |
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11. |
DTC CHART |
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12. |
CIRCUIT INSPECTION |
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13. |
PROBLEM IDENTIFICATION |
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14. |
REPAIR OR REPLACE |
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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:
Brake Switch "A" Circuit Open (P057113)
DESCRIPTION
When the brakes are applied by the dynamic radar cruise control system, the skid
control ECU (master cylinder solenoid)*1 or skid control ECU (brake actuator assembly)*2
operates the stop light switch assembly (stop light relay) to illuminate the stop
lights.
If the ECM receives ...
Door Control Transmitter(w/ Smart Key System)
Components
COMPONENTS
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. REMOVE TRANSMITTER BATTERY
Inspection
INSPECTION
PROCEDURE
1. INSPECT ELECTRICAL KEY TRANSMITTER SUB-ASSEMBLY
(a) Inspect the operation of the electrical key transmitter sub-assembly.
(1) Remove the transmitter ba ...
Definition Of Terms
DEFINITION OF TERMS
Term
Definition
Monitor description
Description of what the ECM monitors and how it detects malfunctions
(monitoring purpose and details).
Related DTCs
Group of diagnostic trouble codes that are ou ...