Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Electronic controlled automatic transaxle
Toyota Corolla (E120): Electronic controlled automatic transaxle
Precaution
Notice
: perform the reset memory (at initialization) when replacing the automatic transaxle assy, engine assy or ecm .
Hint
: initialization can not be completed by only removing the battery.
- How to proceed with troubleshooting
- Customer problem analysis check
- Diagnosis system
- Dtc check/clear
- Check mode procedure
- Road test
- Mechanical system tests
- Hydraulic test
- Manual shifting test
- Terminals of ecm
- Data list/active test
- Definition of terms
- Part and system name list
- List of disable a moniter
- Initialization
- Diagnostic trouble code chart
- Problem symptoms table
- Park/neutral switch input circuit
- Brake switch ”b” circuit high
- Torque converter clutch solenoid performance (shift solenoid valve sl)
- Shift solenoid ”a” performance (shift solenoid valve s1)
- Inspection procedure
- Shift solenoid ”b” performance (shift solenoid valve s2)
- Shift solenoid ”a” control circuit low/high
- Shift solenoid ”b” control circuit low/high
- Pressure control solenoid ”d” electrical (shift solenoid slt)
- Torque converter clutch solenoid circuit low/high
- O/d main switch circuit
- O/d cancel signal circuit
Other materials:
Front differential oil seal (atm)
Replacement
1. Remove front wheels
2. Remove engine under cover rh
3. Remove engine under cover lh
4. Drain automatic transaxle fluid
remove the drain plug, gasket and drain atf.
install a new gasket and drain plug.
Torque: 17.5 Nvm (178 Kgf·cm, 13 ft·lbf)
5. Remove fron ...
Problem symptoms table
If a normal code is displayed during the dtc check but the problem still
occurs, check the circuits for each
problem symptom in the order given in the table below and proceed to the
relevant troubleshooting page.
Notice:
when replacing skid control ecu, sensor or etc., Turn the ignition swi ...
Circuit description
The vapor pressure sensor and the vsv for the canister closed valve (ccv) are
used to detect abnormalities
in the evaporative emission control system. The ecm decides whether there is an
abnormality in the evaporative
emission control system based on the vapor pressure sensor signal.
Dtc p0 ...