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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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 |
|---|---|
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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 |
|---|---|
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DTC not output |
A |
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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:
Inspection
INSPECTION
PROCEDURE
1. INSPECT BRAKE VACUUM CHECK VALVE ASSEMBLY
(a) Check that there is ventilation from the booster to the engine, and
no ventilation from the engine to the booster.
If the results are not as specified, replace the vacuum check valve.
...
Precaution
PRECAUTION
1. PRECAUTIONS WHEN USING TECHSTREAM
(a) When using the Techstream to troubleshoot the engine immobiliser system:
Connect the Techstream to the DLC3 while the ignition switch is off, and turn
a door courtesy light switch on and off at 1.5-second intervals until communication
betwee ...
Towing Tail Relay
Inspection
INSPECTION
PROCEDURE
1. INSPECT TOWING TAIL RELAY
(a) Check the resistance.
(1) Using an ohmmeter, measure the resistance between the terminals.
Standard:
Tester Connection
Specified Condition
3-5
10 kΩ or higher
...
