Toyota Corolla Repair Manual: 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
Circuit description
The vehicle equipped with abs detects a vehicle speed using the stability
control ecu and wheel speed
sensor. This sensor monitors a wheel rotation speed and sends the signal to the
ecu.
The s ...
Idle air control System/ Circuit
Dtc p0505 idle air control system
Dtc p0511 idle air control circuit ...
Other materials:
Replacement
Hint: components:
1. Precaution
2. Disconnect battery negative terminal
3. Remove parking brake hole cover sub–assy
4. Remove floor shift shift lever knob sub–assy (m/t transaxle)
5. Remove shifting hole cover sub–assy (m/t transaxle)
6. Remove console panel upper
7. Remove console box ...
Rear view monitor system
The rear view monitor system assists the driver by displaying guide lines
and an image of the view behind the vehicle while backing up, for example while
parking.
The screen illustrations used in this text are intended as examples, and may
differ from the image that is actually displayed on t ...
Power point socket assy
Replacement
Hint: components:
1. Remove floor shift shift lever knob sub–assy (m/t transaxle)
2. Remove console panel upper
3. Remove power point socket assy
Turn the socket in the circumference direction as shown
the illustration, disengage the claw between the socket
and the power ...