Automatic Transmission System (For 1Ur-Fe) - How To Proceed With Troubleshooting
AUTOMATIC TRANSMISSION SYSTEM (for 1UR-FE) - HOW TO PROCEED WITH TROUBLESHOOTING
The ECM is connected to the CAN communication system. Therefore, before starting troubleshooting, make sure to check that there is no trouble in the CAN communication system.
*: Use the GTS.
| 1.VEHICLE BROUGHT TO WORKSHOP |
| 2.CUSTOMER PROBLEM ANALYSIS |
Refer to How to Troubleshoot ECU Controlled Systems in the Introduction section ().
| 3.INSPECT BATTERY VOLTAGE |
- Standard voltage:
- 11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding.
| 5.CHECK AND CLEAR DTCS AND FREEZE FRAME DATA* |
Refer to DTC Check/Clear ().
| 7.SETTING CHECK MODE DIAGNOSIS* |
Refer to Check Mode Procedure ().
| 8.PROBLEM SYMPTOM CONFIRMATION |
Refer to Road Test ().
Result| Result | Proceed to |
| Symptom does not occur | A |
| Symptom occurs | B |
Refer to Electronic Circuit Inspection Procedure ().
Refer to DTC Check/Clear ().
Result| Result | Proceed to |
| DTC is not output | A |
| DTC is output | B |
Refer to Park/Neutral Position Switch ().
Refer to Shift Lever Assembly ().
| 12.MECHANICAL SYSTEM TESTS |
Refer to Mechanical System Tests ().
Refer to Hydraulic Test ().
Refer to Manual Shifting Test ().
| 15.PROBLEM SYMPTOMS TABLE CHAPTER 1 |
Refer to Problem Symptoms Table ().
| 16.PROBLEM SYMPTOMS TABLE CHAPTER 2 |
Refer to Problem Symptoms Table ().
Refer to Diagnostic Trouble Code Chart ().
| 20.IDENTIFICATION OF PROBLEM |