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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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:
Destination Information Undefined (C1AB8)
DESCRIPTION
This DTC is stored when correct destination information is not sent from the
main body ECU (multiplex network body ECU) and destination information cannot be
confirmed after a blind spot monitor has been replaced.
DTC Code
DTC Detection Condition
Tr ...
Wireless Door Lock Tuner Circuit Malfunction (B1242)
DESCRIPTION
The door control receiver is used to receive radio waves relating to the entry
functions of the electrical key transmitter sub-assembly. The certification ECU
(smart key ECU assembly) decodes the requested electrical key transmitter sub-assembly
by identifying a key code based on ...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT FUEL CUT OPERATION
(a) Start the engine and warm it up.
(b) Increase the engine speed to at least 3500 rpm.
(c) Use a sound scope to check for fuel injector assembly operation noise.
(d) Check that when the accelerator pedal is released, fuel injector ...