Toyota Corolla (E120): Diagnosis circuit

Wiring diagram

Circuit description

Other materials:

Calibrating the compass
The direction display deviates from the true direction determined by the earth’s magnetic field. The amount of deviation varies according to the geographic position of the vehicle. If you cross over a map boundary shown in illustration, the compass will deviate. To obtain higher precision or ...

Bluetooth® Audio (Multimedia system)
Listening to Bluetooth® Audio The Bluetooth® audio system enables the user to enjoy music played on a portable player from the vehicle speakers via wireless communication. When a Bluetooth® device cannot be connected, check the connection status on the “Bluetooth* Audio” screen. If the ...

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 ...