Toyota Corolla Cross: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
- Use the following procedure to troubleshoot the continuously variable transaxle system.
- *: Use the GTS.
PROCEDURE
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1. |
VEHICLE BROUGHT TO WORKSHOP |
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2. |
CUSTOMER PROBLEM ANALYSIS |
(a) Refer to How to Troubleshoot ECU Controlled Systems in Introduction.
Click here .gif)
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3. |
INSPECT AUXILIARY BATTERY VOLTAGE |
(a) Measure the auxiliary battery voltage.
Standard Voltage:
11 to 14 V
HINT:
If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding to the next step.
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4. |
CHECK CAN COMMUNICATION SYSTEM* |
(a) Using the GTS, check if the CAN communication system is functioning normally.
CAN Bus CheckOK:
CAN communication system is functioning normally.
HINT:
- Refer to CAN Bus Check in CAN Communication System.
Click here
- The TCM is connected to the CAN communication system. Therefore, before starting troubleshooting, make sure to check that there are no malfunctions in the CAN communications system.
| NG | .gif) |
GO TO CAN COMMUNICATION SYSTEM |
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5. |
CHECK AND CLEAR DTCS AND FREEZE FRAME DATA* |
(a) Refer to DTC Check/Clear.
Click here
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6. |
SELECT CHECK MODE DIAGNOSIS* |
(a) Refer to Check Mode Procedure.
Click here
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7. |
CHECK FOR DTC* |
(a) Proceed to DTC Check/Clear.
Click here
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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 | |
GO TO STEP 14 |
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8. |
BASIC INSPECTION |
(a) Refer to Continuously Variable Transaxle Fluid.
Click here
(b) Refer to Park/Neutral Position Switch.
Click here
(c) Refer to Shift Lever.
Click here
| NG | |
GO TO STEP 11 |
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9. |
PROBLEM SYMPTOMS CONFIRMATION |
(a) Refer to Road Test.
Click here
(b) Refer to Mechanical System Tests.
Click here
(c) Refer to Hydraulic Test.
Click here
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Result |
Proceed to |
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Symptom does not occur |
A |
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Symptom occurs |
B |
| B | |
GO TO STEP 11 |
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10. |
SYMPTOM SIMULATION |
(a) Refer to Symptom Simulation.
Click here
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11. |
COMPONENT INSPECTION |
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12. |
REPAIR OR REPLACE |
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13. |
CONFIRMATION TEST |
| NEXT | |
END |
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14. |
DIAGNOSTIC TROUBLE CODE CHART |
(a) Proceed to Diagnostic Trouble Code Chart.
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15. |
CIRCUIT INSPECTION |
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16. |
IDENTIFICATION OF PROBLEM |
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17. |
REPAIR OR REPLACE |
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18. |
CONFIRMATION TEST |
| NEXT | |
END |
READ NEXT:
Road Test
ROAD TEST
PROBLEM SYMPTOM CONFIRMATION
(a) Based on the result of the customer problem analysis, try to reproduce the
symptoms. If the problem is that the transaxle does not change gear ratios or
Mechanical System Tests
MECHANICAL SYSTEM TESTS
SHIFT TIME LAG TEST
NOTICE:
This test must be performed after checking and confirming that the engine
is normal.
Perform this test with the CVT fluid temperature be
Hydraulic Test
HYDRAULIC TEST
PERFORM HYDRAULIC TEST
CAUTION:
Do not perform a stall test if there are any people or objects near the
vehicle.
The vehicle could begin moving suddenly, resulting in a ser
SEE MORE:
Fuel Pump Control Circuit Current Out of Range (P12D41D)
DESCRIPTION Refer to DTC P062712. Click here
DTC No. Detection Item
DTC Detection Condition Trouble Area
MIL Note
P12D41D Fuel Pump Control Circuit Current Out of Range
When the fuel pump control ECU operation duty ratio is 3 to 65%, overcurrent in the fuel
Disassembly
DISASSEMBLY CAUTION / NOTICE / HINT COMPONENTS (DISASSEMBLY)
Procedure Part Name Code
1 ULTRASONIC SENSOR CLIP
89348D
- -
2 REAR CENTER ULTRASONIC SENSOR
89342A -
- -
3 REAR CORNER ULTRASONIC SENSOR
89342 -
