Inspection Procedure

WARNING: This page is about a different car, the 2004 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.

NAVIGATION CHECK MODE (VEHICLE SENSORS)
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: Identifying Multi-Display - Vehicle Sensors
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPLACE NAVIGATION ECU (SEE REPLACEMENT )

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN DIAGNOSTIC TROUBLE CODE CHART (SEE DIAGNOSTIC TROUBLE CODE CHART )