Inspection Procedure

WARNING: This page is about a different car, the 2007 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.

HINT:

After the inspection is completed, clear the DTCs.

CHECK VEHICLE SENSOR (NAVIGATION CHECK MODE)
1. Enter the "Vehicle Sensors" (Navigation Check Mode) (See NAVIGATION CHECK MODE ).
  
  Fig 1: Diagnostic Tool Display - Vehicle Sensors Screen
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Check the gyro voltage.
  Standard voltage:
  
  0.1 to 4.5 V
NG: REPLACE NAVIGATION ECU

OK: Go to Next Step
CLEAR DTC
1. Clear the DTCs (See DTC CHECK/CLEAR ).
RECHECK DTC
1. Recheck for DTCs and check if the same trouble occurs again.
  HINT:
  
  If DTCs are detected frequently, replace the navigation ECU.
  
  OK:
  
  Malfunction disappears.
NG: REPLACE NAVIGATION ECU

OK: END