Inspection Procedure

WARNING: This page is about a different car, the 2005 Toyota Sienna. However, it is still accessible from the selected car via links, so may be relevant.

CHECK CONDITION
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