Problem Symptoms Table
If a normal code is displayed during the DTC check but the problem still occurs, check the problem symptom in the order given in the table below and proceed to the relevant troubleshooting page.
NOTE:
Before replacing the transmission control ECU or sensor, turn the ignition switch OFF and close the driver's door after replacing the transmission control ECU, perform "Initial Learning of Transmission Control ECU" (see
STEP 12. PROBLEM SYMPTOMS TABLE - MANUAL TRANSMISSION
| Symptom |
Suspected Area |
No-upshift.
No-downshift. |
- Transmission
- Clutch disc
- HPU (Master solenoid)
- HPU (Accumulator)
- HPU (Accumulator pressure sensor)
- HPU (Motor pump)
- HPU (Clutch solenoid)
- GSA (Shift solenoid)
- GSA (Select solenoid)
- GSA (Master pressure sensor)
- GSA (System hoses)
- Shift lever
- Shift lever switch
- Input shaft speed sensor
- Input shaft speed sensor circuit
- Transmission control ECU
|
| SMT warning light defective. |
- SMT warning light circuit
- Transmission control ECU
|
| DTC check cannot be performed. |
- SMT warning light circuit
- TC terminal circuit
|
| Transmission control ECU buzzer does not sound when a miss operation occurs. |
- Door courtesy switch circuit
- Stop light switch circuit
- Transmission control ECU
|
| Any gear does not shift |
- Transmission
- HPU (Master solenoid)
- HPU (Accumulator)
- HPU (Accumulator pressure sensor)
- HPU (Motor pump)
- HPU (Clutch solenoid)
- QSA (Shift solenoid)
- GSA (Select solenoid)
- QSA (Master pressure sensor)
- GSA (System hoses)
- Shift lever
- Shift lever switch
- Transmission control ECU
|
| It takes much times to change gear position |
- Transmission
- Clutch disc
- HPU (Master solenoid)
- HPU (Accumulator)
- HPU (Accumulator pressure sensor)
- HPU (Motor pump)
- HPU (Clutch solenoid)
- GSA (Shift solenoid)
- GSA (Select solenoid)
- GSA (Master pressure sensor)
- GSA (System hoses)
- Shift lever
- Shift lever switch
- Input shaft speed sensor
- Input shaft speed sensor circuit
- Transmission control ECU
|