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 GPS MARK
1. Check that the GPS mark is displayed
  OK: The GPS mark is displayed.
Fig 1: Checking GPS Mark
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. NG: GO TO GPS MARK IS NOT DISPLAYED IN FLOW CHART (SEE GPS MARK IS NOT DISPLAYED )
2. OK: GO TO NEXT STEP
NAVIGATION CHECK MODE (VEHICLE SENSORS CHECK)
1. Enter the "Navigation Check" mode (Vehicle Sensors) (see NAVIGATION CHECK MODE (VEHICLE SENSORS) ).
2. While driving, compare the "Speed" indicator to the reading on the speedometer. Check that these readings are almost the same
  OK: The readings are almost the same.
Fig 2: Navigation Check Mode (Vehicle Sensors Check) Screen
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. NG: GO TO SPEED SIGNAL CIRCUIT IN FLOW CHART (SEE SPEED SIGNAL CIRCUIT (RADIO AND NAVIGATION ASSY) )
2. OK: GO TO NEXT STEP

NAVIGATION CHECK MODE (VEHICLE SENSORS CHECK)

Move the shift lever to the R or P position.
Standard:

SHIFT LEVER DISPLAY

Shift lever	Display
P	OFF
R	ON

HINT:

The display is updated once per second. As a result, it is normal for the display to lag behind the actual change in the switch.

Fig 3: Navigation Check Mode (Vehicle Sensors) Screen

GO TO REVERSE SIGNAL CIRCUIT IN FLOW CHART (SEE REVERSE SIGNAL CIRCUIT )
OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN PROBLEM SYMPTOMS TABLE