Toyota Corolla Cross: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
- Use the following procedure to troubleshoot the blind spot monitor system.
- *: Use the GTS.
PROCEDURE
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1. |
VEHICLE BROUGHT TO WORKSHOP |
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2. |
CUSTOMER PROBLEM ANALYSIS |
HINT:
If there are any scratches or impact marks on the rear bumper, perform the blind spot monitor beam axis confirmation. If any abnormalities are found, perform the blind spot monitor sensor installation condition inspection.
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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. |
CHECK FOR DTC AND FREEZE FRAME DATA* |
(a) Check for DTCs.
Body Electrical > Blind Spot Monitor "B" > Trouble Codes Body Electrical > Blind Spot Monitor "A" > Trouble Codes(b) Recheck for DTCs.
Body Electrical > Blind Spot Monitor "B" > Trouble Codes Body Electrical > Blind Spot Monitor "A" > Trouble Codes(c) Record or print DTCs and freeze frame data, if necessary.
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Result |
Proceed to |
|---|---|
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DTCs are not output. |
A |
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DTCs are output. |
B |
| B |
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GO TO DIAGNOSTIC TROUBLE CODE CHART |
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6. |
CHECK VEHICLE CONTROL HISTORY (RoB)* |
(a) Check for Vehicle control history (RoB) and note any codes that are output.
Body Electrical > Blind Spot Monitor "B" > Utility|
Tester Display |
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Vehicle Control History (RoB) |
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Tester Display |
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Vehicle Control History (RoB) |
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Result |
Proceed to |
|---|---|
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Vehicle control history (RoB) is not output |
A |
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Vehicle control history (RoB) is output |
B |
| B |
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GO TO VEHICLE CONTROL HISTORY (RoB) |
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7. |
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 |
HINT:
If the symptom does not recur and no DTCs are output, attempt to reproduce the symptoms.
Click here
| B |
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GO TO PROBLEM SYMPTOMS TABLE |
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8. |
PERFORM TROUBLESHOOTING BASED ON MALFUNCTION SYMPTOM* |
(a) Refer to Terminals of ECU.
Click here
(b) Refer to Diagnosis System.
Click here
(c) Refer to Data List / Active Test.
Click here
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9. |
ADJUST, REPAIR OR REPLACE |
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Result |
Proceed to |
|---|---|
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When adjusting or repairing |
A |
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When replacing |
B |
| B |
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GO TO STEP 11 |
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10. |
CLEAR DTC |
(a) Clear the DTCs.
Body Electrical > Blind Spot Monitor "B" > Clear DTCs Body Electrical > Blind Spot Monitor "A" > Clear DTCs| NEXT |
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GO TO STEP 11 |
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11. |
PERFORM BEAM AXIS CONFIRMATION* |
(a) Confirm the blind spot monitor beam axis display and perform the blind spot monitor beam axis adjustment.
Click here
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12. |
PERFORM CONFIRMATION TEST |
| NEXT |
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END |
READ NEXT:
Customize Parameters
CUSTOMIZE PARAMETERS
CUSTOMIZE BLIND SPOT MONITOR SYSTEM
(a) Customizing with the GTS
NOTICE:
When the customer requests a change in a function, first make sure that
the function can be cus
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are listed i
Terminals Of Ecu
TERMINALS OF ECU
BLIND SPOT MONITOR SENSOR LH (B)
Terminal No.
(Symbol)
Terminal Description
Condition
Specified Condition
S12-4 (OM
SEE MORE:
Lost Communication With ECM/PCM "A" Missing Message (U010087,U029387,U117008,U117087)
DESCRIPTION The motor generator control ECU communicates with the hybrid vehicle control ECU, ECM and skid control ECU assembly via CAN communication.
DTC No. Detection Item
DTC Detection Condition
Trouble Area MIL
Warning Indicate Note
U010087 Lost Communic
End Position Initial Setting
END POSITION INITIAL SETTING
CAUTION / NOTICE / HINT
Perform end position initial setting after replacing or servicing parts related
to steering operation.
NOTICE:
If matchmarks were not placed when removing parts related to steering operation,
perform end position initial setting.
