Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Electronic controlled automatic transaxle / O/d cancel signal circuit / Inspection procedure
Toyota Corolla (E120): Inspection procedure
1 Inspect terminal voltage(od – body ground)

- Disconnect the cruise control ecu connector.
- turn the ignition switch to the on position.
- measure the voltage between terminal od of cruise control ecu and body ground.
Standard:



2 Inspect terminal voltage(od1 – body ground)

- Measure the voltage between terminal od1 of ecm and body ground.
Standard:



3 Check harness and connector(od1 – body ground)

- Disconnect the ecm connector.
- measure the resistance according to the value(s) in the table below.
Standard (check for short):



Proceed to next circuit inspection shown on problem symptoms table
Other materials:
Evap monitor (vacuum pressure monitor)
Notice:
a cold soak must be performed prior to conducting the drive pattern to complete
the internal pressure
readiness monitor.
Cold soak preconditions
The monitor will not run unless:
mil is off.
Fuel level is approximately 1/2 to 3/4.
Altitude is 7800 feet (2400 m) or less.
...
Circuit description
Refer to dtc p0120
Dtc no.
Dtc detection condition
Trouble area
P0121
The following condition is met 4 times. After the vehicle speed
has exceeded 19 mph (30 km/h) once, the throttle position
sensor output value is out of normal range when the throttle
...
Engine oil
With the engine at operating temperature and turned off, check the oil level
on the dipstick.
■ Checking the engine oil
1 Park the vehicle on level ground. After warming up the engine and turning it
off, wait more than 5 minutes for the oil to drain back into the bottom of the engine.
2 ...


