Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Sfi system / Vehicle speed sensor ”a” / Inspection procedure
Toyota Corolla (E120): Inspection procedure
Hint
: 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 is useful for determining whether the vehicle was running or stopped, the engine was warmed up or not, the air–fuel ratio was lean or rich, etc. At the time of the malfunction.
1 Check operation of speedometer
- Drive the vehicle and check if the operation of the speedometer in the combination meter is normal.
Hint
: the vehicle speed sensor is operating normally if the speedometer display is normal.
2 Inspect ecm(spd voltage)
- Shift the lever to the neutral position.
- jack up the vehicle.
- turn the ignition switch on.
- check the voltage between the terminals of the e4 and e5 ecm connectors as the wheel is turned slowly.
Standard:
Hint
: the output voltage should fluctuate up and down similarly to the diagram on the left when the wheel is turned slowly.
Replace ecm
Other materials:
Circuit description
Refer to dtc p0115
Dtc no.
Dtc detection condition
Trouble area
P0125
If the engine coolant temperature (ect) was less than –6.6 °C
(20 °F) when starting the engine, and 20 minutes after the engine
start, the ect sensor still indicates below 20 °C (68 ...
Listening to an iPod
Connecting an iPod enables you to enjoy music from the vehicle speakers.
Select “iPod” on the audio source selection screen.
When the iPod connected to the system includes iPod video, the system can only
output the sound by selecting the browse screen.
Connecting an iPod
Audio control scre ...
Seat belt warning lamp for driver’s seat does not
operate
Wiring diagram
Inspection procedure
1 Check combination meter assy
Ground terminal c9–12 on the combination meter side.
check that the warning lightlights up.
Ok: warning light lights up.
2 Inspect front seat inner belt assy lh
Disconnect the front seat inner belt ...