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.

NAVIGATION CHECK MODE (VEHICLE SENSORS CHECK)
1. Enter the "Navigation Check" mode (Vehicle Sensors) (see NAVIGATION CHECK MODE (VEHICLE SENSORS) ).
2. Check the gyro voltage
  Standard: 0.1 to 4.5 V
Fig 1: Navigation Check Mode Screen (Vehicle Sensor Check)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. NG: REPLACE RADIO AND NAVIGATION ASSY (SEE RADIO RECEIVER ASSY )
2. OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN DIAGNOSTIC TROUBLE CODE TABLE