Toyota Tacoma (2015-2018) Service Manual: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
- The vehicle stability control system troubleshooting procedures are based on the premise that the CAN communication system is functioning normally. Check the CAN communication system first before troubleshooting the vehicle stability control system.
- *: Use the Techstream.
PROCEDURE
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1. |
VEHICLE BROUGHT TO WORKSHOP |
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.gif)
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2. |
CUSTOMER PROBLEM ANALYSIS |
(a) Interview the customer and confirm the trouble.
Click here .gif)
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3. |
CHECK DTC AND FREEZE FRAME DATA* |
(a) Check and record DTC and Freeze Frame Data.
for DTC Check/Clear: Click here
for Freeze Frame Data: Click here
(b) Clear the DTC and Freeze Frame Data.
Click here
(c) Reconfirm the DTC.
(1) Reconfirm the DTC based on the recorded DTC and Freeze Frame Data.
for DTC Check/Clear: Click here
for Freeze Frame Data: Click here
HINT:
- If DTC U0100, U0124 or U0126 is output together with a CAN communication
DTC, first check the appropriate sensor for a momentary open circuit.
Click here
- If there is no response from the skid control ECU (brake actuator assembly),
inspect the +BS circuit of the skid control ECU (brake actuator assembly).
Click here
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Result |
Proceed to |
|---|---|
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DTC is output |
A |
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DTC is not output (Problem symptom does not occur) |
B |
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DTC is not output (Problem symptom occurs) |
C |
| B | .gif) |
GO TO STEP 5 |
| C | |
GO TO STEP 6 |
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4. |
DIAGNOSTIC TROUBLE CODE CHART |
(a) Proceed to Diagnostic Trouble Code Chart.
Click here
| NEXT | |
GO TO STEP 7 |
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5. |
SYMPTOM SIMULATION |
(a) Proceed to Check for Intermittent Problems.
Click here
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6. |
PROBLEM SYMPTOMS TABLE |
(a) Proceed to Problem Symptoms Table.
Click here
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7. |
CIRCUIT INSPECTION* |
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8. |
IDENTIFICATION OF PROBLEM |
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9. |
REPAIR OR REPLACE |
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10. |
CONFIRMATION TEST |
| NEXT | |
END |
Check For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS
1. CHECK FOR INTERMITTENT PROBLEMS
HINT:
A momentary interruption (open circuit) in the connectors and/or wire harnesses
between the sensors and ECUs can be detect ...
Calibration
CALIBRATION
1. DESCRIPTION
(a) After replacing any VSC related components or performing wheel alignment
adjustment, clear and read the sensor calibration data.
Refer to the table below and then p ...
Other materials:
Cruise Main Indicator Light Circuit
DESCRIPTION
When the dynamic radar cruise control system is turned on using the cruise control
main switch (ON-OFF button), the cruise control indicator (vehicle-to-vehicle distance
control mode) illuminates. The ECM uses this and other indicators to indicate the
control condition (presence o ...
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
The 4 wheel drive control ECU records DTCs when the ECU detects a malfunction
in the ECU itself or in system circuits.
The DTCs can be read through the DLC3 of the vehicle. When the system seems to
be malfunctioning, use the Techstream to check for malfunctions ...
Utility
UTILITY
NOTICE:
If the forward recognition camera has been replaced with a new one or
the windshield glass has been removed and installed, it is necessary to
perform Forward Recognition Camera Axis Adjustment. If the system is turned
on without performing Forward Recognition Ca ...
