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 |
|---|---|
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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:
Check Bus 3 Line for Short to +B
DESCRIPTION
There may be a short circuit between one of the CAN bus lines and +B when no
resistance exists between terminal 6 (CA3H) of the central gateway ECU (network
gateway ECU) and terminal 16 (BAT) of the DLC3, or terminal 21 (CA3L) of the central
gateway ECU (network gateway ECU) and t ...
Open in Stop Light Switch Circuit (C1425)
DESCRIPTION
The skid control ECU (brake actuator assembly) detects the brake operating conditions
through a signal transmitted by the stop light switch.
The skid control ECU incorporates a circuit to detect an open circuit. This DTC
is output when an open circuit is detected in the stop light ...
Electrical Key Oscillator(for Front Floor)
Components
COMPONENTS
ILLUSTRATION
Installation
INSTALLATION
PROCEDURE
1. INSTALL NO. 1 INDOOR ELECTRICAL KEY ANTENNA ASSEMBLY
(a) Engage the clamp to install the No. 1 indoor electrical key antenna assembly.
(b) Connect the connector.
2. INSTALL FRONT CONSOLE BOX
(See page )
Remov ...
