Toyota Sienna Service Manual: Vehicle Position Mark is not Updated
INSPECTION PROCEDURE
1 CHECK MAP DISC
- Check that the map disc is not deformed or cracked.
OK: No deformations or cracks on map disc.
2 CHECK MAP DISPLAY
- Check if a touch scroll can be performed on the map display.
OK: Touch scroll can be performed
3 CHECK VEHICLE SENSOR (NAVIGATION CHECK MODE)
- Enter the "Navigation Check" mode (Vehicle Sensors).
- While driving the vehicle, compare the "Speed" indicator to the reading on the speedometer. Check if these readings are almost equal.
OK: The readings are almost equal.
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
Cursor or Map Rotates when Vehicle Stopped
INSPECTION PROCEDURE
1 CHECK CONDITION
Check with the customer if the vehicle has been turned
by a turntable.
OK:
Vehicle has not been turned by turntable.
HINT:
If the vehicle is t ...
Current Position Display does not Appear
INSPECTION PROCEDURE
1 CHECK RADIO AND NAVIGATION ASSEMBLY
Check if a map disc is inserted into the map disc slot.
OK:
A map disc is inserted
2 CHECK MAP DISC
Check that the map ...
Other materials:
Things you should know
If you notice any symptoms
If you notice any of the following symptoms, refer to the likely cause
and the solution, and re-check.
If the symptom is not resolved by the solution, have the vehicle
inspected by your Toyota dealer.
Likely cause
Solution
The ima ...
Throttle / Pedal Position Sensor / Switch "A"
Circuit Range / Performance Problem
DTC P0121 Throttle / Pedal Position Sensor / Switch "A"
Circuit Range / Performance Problem
HINT:
This DTC relates to the Throttle Position (TP) sensor.
DESCRIPTION
Refer to DTC P0120
DTC No.
DTC Detection Condition
Trouble Area
P0121
Differen ...
Yaw rate sensor check (when using intelligent tester)
(a) Check the output of the yaw rate sensor.
(1) Move the shift lever to the D position, drive the
vehicle at a speed of approximately 5 km/h (3
mph), and turn the steering wheel either to the
left or right 90° or more until the vehicle makes a
180° turn.
(2) Stop the vehicle and mov ...