Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Electronic controlled automatic transaxle / O/d main switch circuit / Inspection procedure
Toyota Corolla (E120): Inspection procedure
1 Check harness and connector(transmission control switch – body ground)
- Disconnect the transmission control switch connector of shift lever assy.
- measure the resistance according to the value(s) in the table below.
Standard:
2 Inspect transmission control switch
- Measure the resistance according to the value(s) in the table below.
Standard:
3 Check harness and connector(transmission control switch – ecm)
- Connect the transmission control switch connector of shift lever assy.
- disconnect the ecm connector.
- measure the resistance according to the value(s) in the table below.
Standard:
Proceed to next circuit inspection shown on problem symptoms table
Other materials:
Circuit description
The shift solenoid valve sl is turned ”on” and ”off” by signals from the ecm
in order to control the hydraulic
pressure operation, the lock–up relay valve, which then the controls operation
of the lock–up clutch.
Fail safe function:
if the ecm detects a malfunction, it turns the ...
Meter display
■ Locations of gauges and meters
The units of measure may differ depending on the intended destination of
the vehicle.
Tachometer
Displays the engine speed in revolutions per minute
Outside temperature
Displays the outside temperature within the range of -40ºF (-40ºC) to 140ºF
(60ºC)
...
Inspection procedure
Hint:
if dtcs besides misfire are memorized simultaneously, first perform
the troubleshooting for them.
Read freeze frame data using the hand-held tester or the obd ii scan
tool. Freeze frame data records
the engine conditions when a malfunction is detected. When troubleshooting,
it ...