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:
Cursor or Map Rotates when Vehicle Stopped
PROCEDURE
1.
CHECK CONDITION
(a) Check with the customer if the vehicle has been turned by a turntable.
OK:
Vehicle has not been turned by a turntable.
HINT:
If the vehicle is turned on a turntable with the ignition switch ON,
the system ...
Check Bus 2 Lines for Short Circuit
DESCRIPTION
There may be a short circuit between the CAN main bus lines and/or CAN branch
lines when the resistance between terminals 18 (CA4H) and 17 (CA4L) of the central
gateway ECU (network gateway ECU) is below 54 Ω.
Detection Item
Trouble Area
Resi ...
Inspection
INSPECTION
PROCEDURE
1. INSPECT OIL CLEARANCE
(a) Using a micrometer and caliper gauge, measure the oil seal clearance.
Standard clearance:
0.021 to 0.043 mm (0.0008 to 0.0017 in.)
Maximum clearance:
0.07 mm (0.0028 in.)
If it is greater than the maximum, replace the vane pump assembly.
...
