Toyota Sienna Service Manual: Reverse Signal Circuit
DESCRIPTION
The radio and navigation assembly receives a reverse signal from the park/neutral position switch and information about the GPS antenna, and then adjusts vehicle position.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT RADIO AND NAVIGATION ASSEMBLY
- Disconnect the radio and navigation assembly connector R12.
- Measure the voltage according to the value(s) in the table below.
Standard voltage
2 CHECK HARNESS AND CONNECTOR (RADIO AND NAVIGATION - PARK / NEUTRAL POSITION SWITCH)
- Disconnect the radio and navigation assembly connector R12 and park/neutral position switch connector P1.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
3 INSPECT PARK / NEUTRAL POSITION SWITCH
- Disconnect the park/neutral position switch connector P1.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
REPAIR OR REPLACE HARNESS OR CONNECTOR
AVC-LAN Circuit
DESCRIPTION
Each unit of the navigation system connected to the AVC-LAN (communication
bus) transfers the signal of
each switch by communication.
When a short to +B or short to ground occurs in ...
Navigation Voice Circuit
DESCRIPTION
This circuit is used when the voice guidance in the navigation system is on.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK HARNESS AND CONNECTOR (RADIO AND NAVIGATION ASSEMBLY - STER ...
Other materials:
Removal
1. Remove rear wheel
2. Remove exhaust pipe assembly
Hint:
(see page ex-8)
3. Remove propeller with center bearing
shaft assembly
Hint:
(see page pr-3)
4. REMOVE REAR DIFFERENTIAL FILLER PLUG
(A) using a hexagon wrench (10 mm), remove the filler
plug and gasket.
5. Remove rear differentia ...
Registering a new contact to the contact list
New contact data can be registered. Up to 4 numbers per person can be
registered. For PBAP compatible Bluetooth® phones, this function is available
when “Automatic Transfer” is set to off.
Select “New Contact”.
Enter the name and select “OK”.
Enter the phone number and sele ...
Display settings
Settings are available for adjusting the contrast and brightness
of the screen.
Screen for display settings
Press the “SETUP” button.
Select “Display” on the “Setup” screen.
Adjust screen contrast/brightness
Adjust screen contrast/brightness
of the rear view monitor ...
