Inspection Procedure 6

INSPECTION PROCEDURE 6: The Compass Cannot be Calibrated.

Ambient Air Temperature Meter Electronic Compass Circuit

CIRCUIT OPERATION
The power is constantly supplied to the inside rear view mirror (with compass and temperature display).

TECHNICAL DESCRIPTION (COMMENT)
The inside rear view mirror (with compass and temperature display) may be defective.

TROUBLE SHOOTING HINTS
Malfunction of the inside rear view mirror (with compass and temperature display).

DIAGNOSIS
Check that the calibration of the compass can be carried out at another place.
1. Move the vehicle to be checked to another place.

NOTE: Move to a wide flat place where calibration of the compass can be carried out.

2. Check again that calibration of the compass can be carried out.

NOTE: If the calibration is correct, the following causes can be assumed.

- Calibration is difficult due to the magnet direction and direction of the vehicle at the start of calibration.
- There is a disturbing magnetic field in the area and calibration is difficult.
If the calibration is correct check that the malfunction is eliminated.

If the calibration is incorrect replace the inside rear view mirror (with compass and temperature display).Then check that the malfunction is eliminated.