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:
Neutral Position Switch
Components
COMPONENTS
ILLUSTRATION
*1
NEUTRAL POSITION SWITCH
*2
GASKET
N*m (kgf*cm, ft.*lbf): Specified torque
●
Non-reusable part
Installation
INSTALLATION
PROCEDURE
1. INSTALL NEUTR ...
Stop Light Switch OFF Stuck Malfunction (C1426)
DESCRIPTION
The skid control ECU (brake actuator assembly) inputs the stop light signal and
brake operation condition. When the brake pedal is depressed and the stop light
switch signal is not input, C1426 is output.
DTC No.
Detection Item
DTC Detection Conditi ...
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK DRIVER SIDE JUNCTION BLOCK AND MAIN BODY ECU (MULTIPLEX NETWORK BODY
ECU)
(a) Disconnect the MB main body ECU (multiplex network body ECU) connectors.
(b) Measure the voltage and resistance according to the value(s) in the table
below.
HINT:
Measure the values on ...
