Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Electronic controlled automatic transaxle / O/d main switch circuit / Circuit description
Toyota Corolla (E120): Circuit description
The o/d main switch (transmission control switch) is a momentary type switch. When pressing the o/d main switch, the o/d off indicator light lights up and the ecm prohibits shifting into o/d, and when pressing it once again, the o/d off indicator light goes off and the ecm allows shifting into o/d. Turning the ig switch off will reset the o/d off indicator light.
Wiring diagram
Other materials:
Inspection procedure
1 Check tvip ecu
Check that the operation of the tvip function is normal.
Hint:
with this inspection, the tvip ecu cpu can be diagnosed if it works normally or
not.
2 Check wire harness (tvip ecu integration relay)
Disconnect the tvip ecu and integration relay connectors.
ch ...
Inspection
1. Inspect sliding roof limit switch
Inspect the sliding roof limit switch continuity.
Standard:
If the continuity is not as specified, replace the switch.
2. Inspect sliding roof drive gear sub–assy
Connect the positive (+) lead from the battery to terminal
2 and the ne ...
Circuit description
The crankshaft position sensor (ne signal) consists of a magnet, iron core
and pickup coil.
The ne signal plate (crankshaft position sensor plate) has 34 teeth and is
installed on the crankshaft. The
ne signal sensor generates 34 signals for each engine revolution. This sensor
monitors a p ...