Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Electronic controlled automatic transaxle / O/d cancel signal circuit / Circuit description
Toyota Corolla (E120): Circuit description
While driving uphill with cruise control activated, in order to minimize gear shifting and provide smooth cruising overdrive may be prohibited temporarily under some conditions.
The cruise control ecu sends o/d cut signals to the ecm as necessary and the ecm cancels overdrive shifting until these signals are discontinued.
Wiring diagram

Other materials:
Engine rear oil seal
Replacement
1. Remove manual transaxle assy (m/t transaxle)
2. Remove automatic transaxle assy (a/t transaxle)
3. Remove clutch cover assy (m/t transaxle)
remove the 6 bolts and clutch cover.
4. Remove clutch disc assy (m/t transaxle)
5. Remove flywheel sub–assy (m/t transaxle ...
How to use this manual
1. Body panel replacement in this manual
2. Symbols
3. Illustration of weld point symbols
...
Inspection procedure
Hint:
this dtc chart is on the premise that the engine is cranked normally.
If the engine is not cranked, proceed
to the problem symptoms table on page 05–42.
Read freeze frame data using the hand-held tester or the obd ii scan
tool. Freeze frame data records
the engine conditions ...


