Inspection Procedure

1. Check with the customer if the vehicle has been turned by a turntable at parking

   OK: The vehicle has not been turned by a turntable. 

HINT:

If the ignition switch is turned to the ACC or ON position while the vehicle is being turned by a turntable, the system may store the angular velocity at this time. For this reason, the vehicle position cursor could deviate.

Fig 1: Checking For Symptom - Cursor Or Map Rotates When Vehicle Is Stopped

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. NG: TURN IGNITION SWITCH TO ON POSITION WHEN VEHICLE IS COMPLETELY STOPPED 
2. OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN  PROBLEM SYMPTOMS TABLE