TORQUE CONVERTER CLUTCH (TCC) NON-OPERATION [FW6A-EL]
| TROUBLESHOOTING ITEM | Torque converter clutch (TCC) non-operation |
|---|
| DESCRIPTION | TCC does not operate when vehicle reaches TCC operation range. |
| POSSIBLE CAUSE | Signal malfunction APP sensor malfunction Brake switch malfunction CKP sensor malfunction ECT sensor No.1 malfunction Poor GND Torque converter malfunction |
| CAUTION | Verify the malfunction symptom according to not only the PID value but also the symptom troubleshooting. |
| Monitor item (Definition) | Unit/Condition | Condition/Specification (Reference) |
|---|
| APP | % | Accelerator pedal released: approx. 0 % Accelerator pedal depressed: approx. 100 % |
| BOO | OFF/ON | Brake pedal released: Off Brake pedal depressed: On |
| ECT | °C, °F | Displays the ECT |
| V | ECT is 20 °C {68 °F}: approx. 3.10 V ECT is 40 °C {104 °F}: approx. 2.16 V ECT is 60 °C {140 °F}: approx. 1.40 V ECT is 80 °C {176 °F}: approx. 0.87 V ECT is 100 °C {212 °F}: approx. 0.54 V |
| RPM | RPM | Displays the engine speed |
JUDDER UPON TORQUE CONVERTER CLUTCH (TCC) OPERATION [FW6A-EL]
| TROUBLESHOOTING ITEM | Judder upon torque converter clutch (TCC) operation |
|---|
| DESCRIPTION | Vehicle jolts when TCC is engaged. |
| POSSIBLE CAUSE | Signal malfunction APP sensor malfunction CKP sensor malfunction Poor GND Torque converter malfunction |
| CAUTION | Verify the malfunction symptom according to not only the PID value but also the symptom troubleshooting. |
| Monitor item (Definition) | Unit/Condition | Condition/Specification (Reference) |
|---|
| APP | % | Accelerator pedal released: approx. 0 % Accelerator pedal depressed: approx. 100 % |
| RPM | RPM | Displays the engine speed |
EXCESSIVE SHIFT SHOCK ON TORQUE CONVERTER CLUTCH (TCC) [FW6A-EL]
| TROUBLESHOOTING ITEM | Excessive shift shock on torque converter clutch (TCC) |
|---|
| DESCRIPTION | Strong shock is felt when TCC is engaged. |
| POSSIBLE CAUSE | Signal malfunction APP sensor malfunction CKP sensor malfunction Poor GND Torque converter malfunction |
| CAUTION | Verify the malfunction symptom according to not only the PID value but also the symptom troubleshooting. |
| Monitor item (Definition) | Unit/Condition | Condition/Specification (Reference) |
|---|
| APP | % | Accelerator pedal released: approx. 0 % Accelerator pedal depressed: approx. 100 % |
| RPM | RPM | Displays the engine speed |
