Toyota Corolla Cross: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
*: Use the GTS.
PROCEDURE
| 1. |
VEHICLE BROUGHT TO WORKSHOP |
|
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| 2. |
CUSTOMER PROBLEM ANALYSIS |
|
| 3. |
CONNECT GTS TO DLC3* |
HINT:
If the display indicates a communication malfunction, inspect the DLC3.
When any CAN communication system DTCs are output, perform troubleshooting for the CAN communication system first.
|
| 4. |
CHECK DTC AND FREEZE FRAME DATA* |
(a) Check for DTCs.
Powertrain > Engine > Trouble Codes(b) Check for Freeze Frame Data.
Click here
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HINT:
Record or print DTCs and Freeze Frame Data if necessary.
|
| 5. |
CHECK VEHICLE CONTROL HISTORY (RoB) AND VEHICLE CONTROL HISTORY FREEZE FRAME DATA* |
(a) Check for Vehicle Control History (RoB) and Vehicle Control History Freeze Frame Data.
Powertrain > Engine > Utility|
Tester Display |
|---|
| Vehicle Control History (RoB) |
HINT:
Print Vehicle Control History (RoB) and Vehicle Control History Freeze Frame Data if necessary.
|
| 6. |
CLEAR DTC AND FREEZE FRAME DATA* |
(a) Clear the DTCs and Freeze Frame Data.
Powertrain > Engine > Clear DTCs
|
| 7. |
CONDUCT VISUAL INSPECTION |
|
| 8. |
SELECT CHECK MODE DIAGNOSIS* |
(a) Change the ECM from normal mode to check mode.
Powertrain > Engine > Utility|
Tester Display |
|---|
| Check Mode |
|
| 9. |
CONFIRM PROBLEM SYMPTOMS |
(a) Confirm the problem symptoms.
HINT:
If the engine does not start, first perform the "Check DTC" procedure and "Conduct Basic Inspection" procedure below.
|
Result | Proceed to |
|---|---|
|
Malfunction does not occur |
A |
| Malfunction occurs |
B |
| B |
.gif) | GO TO STEP 11 |
|
| 10. |
SIMULATE SYMPTOMS |
HINT:
Refer to Symptom Simulation.
Click here
|
| 11. |
CHECK DTC* |
(a) Check for DTCs.
Powertrain > Engine > Trouble Codes|
Result | Proceed to |
|---|---|
|
DTCs are output | A |
|
DTCs are not output | B |
| B |
| GO TO STEP 13 |
|
| 12. |
REFER TO DTC CHART |
HINT:
Refer to Diagnostic Trouble Code Chart.
|
| 13. |
CONDUCT BASIC INSPECTION |
(a) Conduct basic inspection.
Click here
|
Result | Proceed to |
|---|---|
|
Malfunctioning parts not confirmed |
A |
| Malfunctioning parts confirmed |
B |
| B |
| GO TO STEP 18 |
|
| 14. |
REFER TO PROBLEM SYMPTOMS TABLE |
HINT:
Refer to Problem Symptoms Table.
Click here
|
Result | Proceed to |
|---|---|
|
Malfunctioning circuit confirmed |
A |
| Malfunctioning parts confirmed |
B |
| B |
| GO TO STEP 18 |
|
| 15. |
CHECK ECM POWER SOURCE CIRCUIT |
(a) Check the ECM power source circuit.
Click here
|
| 16. |
CONDUCT CIRCUIT INSPECTION |
|
Result | Proceed to |
|---|---|
|
Malfunction not confirmed |
A |
| Malfunction confirmed |
B |
| B |
| GO TO STEP 19 |
|
| 17. |
CHECK FOR INTERMITTENT PROBLEMS |
(a) Check for intermittent problems.
Click here
|
| 18. |
CONDUCT PARTS INSPECTION |
|
| 19. |
IDENTIFY PROBLEM |
|
| 20. |
ADJUST AND/OR REPAIR |
|
| 21. |
CONDUCT CONFIRMATION TEST |
| NEXT | | END |
READ NEXT:
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HINT: The VIN is a 17-di
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