Toyota Corolla Cross: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
- Use the following procedure to troubleshoot the intuitive parking assist system.
- *: Use the GTS.
PROCEDURE
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1. |
VEHICLE BROUGHT TO WORKSHOP |
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2. |
CUSTOMER PROBLEM ANALYSIS |
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3. |
INSPECT AUXILIARY BATTERY VOLTAGE |
(a) Measure the auxiliary battery voltage with the ignition switch off.
Standard voltage:
11 to 14 V
If the voltage is below 11 V, replace or recharge the auxiliary battery before proceeding to the next step.
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4. |
CHECK CAN COMMUNICATION SYSTEM* |
(a) Use the GTS to check if the CAN communication system is functioning normally.
- for HEV Model:
Click here
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- for Gasoline Model:
Click here
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Result |
Proceed to |
|---|---|
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CAN communication system DTCs are not output |
A |
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CAN communication system DTCs are output |
B |
| B | .gif)
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GO TO CAN COMMUNICATION SYSTEM
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5. |
PROBLEM SYMPTOM CONFIRMATION |
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6. |
CHECK DTC* |
(a) Check for DTCs.
Body Electrical > Clearance Warning > Trouble Codes(b) Clear the DTCs.
Body Electrical > Clearance Warning > Clear DTCs(c) Recheck for DTCs.
Body Electrical > Clearance Warning > Trouble Codes|
Result |
Proceed to |
|---|---|
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DTCs are output |
A |
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DTCs are not output |
B |
| B |
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GO TO STEP 8 |
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7. |
DIAGNOSTIC TROUBLE CODE CHART (INTUITIVE PARKING ASSIST SYSTEM) |
(a) Refer to Diagnostic Trouble Code Chart.
Click here
NOTICE:
The clearance warning ECU assembly outputs DTCs for the following system. When DTCs other than those in Diagnostic Trouble Code Chart for the intuitive parking assist system are output, refer to Diagnostic Trouble Code Chart for the relevant systems.
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System |
Proceed to |
|---|---|
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Parking Support Brake System |
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| NEXT |
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GO TO STEP 12 |
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8. |
CHECK FOR VEHICLE CONTROL HISTORY (RoB)* |
HINT:
Refer to Vehicle Control History (RoB).
Click here
(a) Check for vehicle control history (RoB) and note any codes that are output.
Body Electrical > Clearance Warning > Utility|
Tester Display |
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Vehicle Control History (RoB) |
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Result |
Proceed to |
|---|---|
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No vehicle control history (RoB) is output (Problem symptom does not occur) |
A |
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No vehicle control history (RoB) is output (Problem symptom occurs) |
B |
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X20C0, X20C1, X20C2 or X20C3 is output |
C |
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Any vehicle control history (RoB) other than X20C0, X20C1, X20C2 or X20C3 is output |
D |
| B |
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GO TO STEP 10 |
| C |
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GO TO CALIBRATION |
| D |
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GO TO VEHICLE CONTROL HISTORY |
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9. |
SYMPTOM SIMULATION |
(a) Refer to Symptom Simulation.
Click here
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10. |
PROBLEM SYMPTOMS TABLE |
(a) Refer to Problem Symptoms Table.
Click here
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Result |
Proceed to |
|---|---|
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Fault is not listed in Problem Symptoms Table |
A |
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Fault is listed in Problem Symptoms Table |
B |
| B |
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GO TO STEP 12 |
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11. |
OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Terminals of ECU
Click here
(b) Data List / Active Test
Click here
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12. |
CIRCUIT INSPECTION |
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13. |
IDENTIFICATION OF PROBLEM |
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14. |
REPAIR OR REPLACE |
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15. |
CONFIRMATION TEST |
| NEXT |
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END |
READ NEXT:
Customize Parameters
CUSTOMIZE PARAMETERS
CUSTOMIZE INTUITIVE PARKING ASSIST SYSTEM
(a) Customize using GTS
(1) Select the setting by referring to the table below.
Clearance Warning
Tester Display
Calibration
CALIBRATION
NOTICE:
When any of the following parts have been replaced, perform adjustment
shown in the following table. If not, the intuitive parking assist system may not
operate correctly.
A
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
NOTICE:
The vehicle is equipped with a Supplemental Restraint System (SRS) which
includes components such as airbags. Before servicing (including removal
or install
SEE MORE:
Brake Warning Light Remains ON
DESCRIPTION
This procedure is for troubleshooting when the brake system
warning light (red indicator) remains on but no DTCs are output.
The skid control ECU (brake actuator assembly) controls the
brake system warning light (red indicator) in the combination meter assembly via
CAN communicat
High Voltage Power Resource Circuit Voltage Sensor after Boosting Malfunction (P1C8349)
DTC SUMMARY MALFUNCTION DESCRIPTION The hybrid vehicle control ECU monitors the high-voltage wiring between the HV battery and inverter with converter assembly and detects a power supply malfunction.
The cause of this malfunction may be one of the following: Inverter voltage sensor (VL) internal
