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:
Key confinement prevention function does not work
properly (unlock warning switch circuit)
Circuit description
The unlock warning switch turns on when the key is inserted in the ignition
key cylinder and the door courtesy
switch turns on when the driver’s door is opened, and the integration relay
monitors both switches conditions.
According to these switches conditions, the int ...
Replacing a flat tire
1 Chock the tires.
2 For vehicles with steel wheels, remove the wheel ornament using the wrench.
To protect the wheel ornament, place a rag between the wrench and the wheel ornament,
as shown in the illustration.
3 Slightly loosen the wheel nuts (one turn).
4 Turn the tire jack portion ...
Circuit description
The ignition switch provides circuit power and the ecm provides the circuit
ground that illuminates the mil.
Mil operation is checked visually:
it should be illuminated when the ignition is first turned on. If the mil is off
all of the time or on all of the time,
use the procedure below to ...


