Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Combination meter
Toyota Corolla (E120): Combination meter
- How to proceed with troubleshooting
- Location
- Terminals of ecu
- Entire combination meter does not operate
- Malfunction in speedometer
- Malfunction in tachometer
- Malfunction in fuel receiver gauge
- Malfunction in water temperature receiver gauge
- Warning buzzer does not sound (key reminder warning, light reminder warning)
- Seat belt warning lamp for driver’s seat does not operate
- Seat belt warning lamp for front passenger’s seat does not flash
- Malfunction in clock
- The ambient temperature does not display
Other materials:
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 ...
Ecu power source circuit
Circuit description
This circuit provides power to operate the tvip ecu.
Wiring diagram
Inspection procedure
1 Check fuse (ecu–b)
Remove the fuse from the instrument panel j/b.
check the continuity of the fuse.
Standard: continuity
2 Check tvip ecu
Disconnect ...
Heated steering wheel/seat heaters
Heated steering wheel
Warms up the grip of the
steering wheel
Seat heaters
Warm up the seat upholstery
WARNING
To prevent minor burn injuries
Care should be taken if anyone in
the following categories comes in
contact with the steering wheel or
seats when the heater is on:
Babies, small chil ...