Toyota Corolla Cross: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
- Use the following procedure to troubleshoot the airbag system.
- *: Use the GTS.
PROCEDURE
|
1. | VEHICLE BROUGHT TO WORKSHOP |
|
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| 2. |
CUSTOMER PROBLEM ANALYSIS |
(a) Interview the customer and confirm the problem.
Click here .gif)
|
| 3. |
INSPECT BATTERY VOLTAGE |
(a) Measure the battery voltage with the ignition switch off.
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.
(b) Check the fuses and relays.
(c) Check the connector connections and terminals to make sure that there are no abnormalities such as loose connections, deformation, etc.
|
| 4. |
CHECK CAN COMMUNICATION SYSTEM* |
(a) Using the GTS, check if the CAN communication system is functioning normally.
OK:
CAN communication system is functioning normally.
HINT:
- Refer to Communication Bus Check in CAN Communication System.
- for HEV Model:
Click here
- for Gasoline Model:
Click here
- for HEV Model:
- The airbag ECU assembly is connected to the CAN communication system. Therefore, before starting troubleshooting, make sure to check that there are no malfunctions in the CAN communication system.
| NG | .gif) | GO TO CAN COMMUNICATION SYSTEM for HEV Model: Click here for Gasoline Model: Click here
|
|
| 5. |
CHECK DTC AND FREEZE FRAME DATA* |
(a) Check and record current DTCs, history DTCs and Freeze Frame Data.
for Freeze Frame Data: Click here
HINT:
Refer to Airbag System Diagnostic Trouble Code Chart: Click here
Refer to Occupant Classification System Diagnostic Trouble Code Chart: Click here
|
Result | Proceed to |
|---|---|
|
Airbag system DTCs are output |
A |
| Occupant classification system DTCs are output |
B |
| DTCs are not output |
C |
| B |
| GO TO OCCUPANT CLASSIFICATION SYSTEM |
| C |
| GO TO STEP 10 |
|
| 6. |
DIAGNOSTIC TROUBLE CODE CHART |
(a) Proceed to Diagnostic Trouble Code Chart and perform troubleshooting for each code.
Click here
|
| 7. |
IDENTIFICATION OF PROBLEM |
|
| 8. |
REPAIR OR REPLACEMENT |
|
| 9. |
CONFIRMATION TEST |
| NEXT | | END |
| 10. |
CHECK VEHICLE CONTROL HISTORY (RoB)* |
(a) Check and record Vehicle Control History (RoB).
Click here
|
Result | Proceed to |
|---|---|
|
Vehicle control history is output |
A |
| Vehicle control history is not output |
B |
| A |
| GO TO VEHICLE CONTROL HISTORY (RoB) |
| B |
| GO TO PROBLEM SYMPTOMS TABLE |
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