Toyota Sienna Service Manual: A Remote Control System does not Operate
INSPECTION PROCEDURE
1 CHECK SYSTEM
- Check that the remote control operation of the rear system is not locked by the radio receiver or the radio and navigation assembly.
- Check if "Rear System Locked" appears on the television display assembly.
OK: The message does not appear.
2 CHECK BATTERY (REMOTE CONTROLLER)
- Check the battery.
- Check that the dry-cell battery used for the remote controller is not depleted.
OK: It is not depleted
3 CLEAN THE INFRARED RAY EMITTING PORTION
- Clean the infrared ray emitting portion.
- Clean the infrared ray emitting portion on the rear display assembly.
- Check whether the same malfunction occurs.
OK: The function returns to normal.
END
Terminals of ECU
1. TELEVISION DISPLAY ASSEMBLY
*1: with Navigation System ...
Sound Signal Circuit between Video Terminal and Television Display
DESCRIPTION
This is the sound signal circuit from the video (video adapter) terminal to
the television display assembly.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK HARNESS AND CONNECTOR (TE ...
Other materials:
ECM Power Source Circuit
DESCRIPTION
When the ignition switch is turned to the ON position, the battery voltage is
applied to terminal IGSW of
the ECM. The ECM MREL output signal causes a current to flow to the coil,
closing the contacts of the EFI
relay and supplying power to terminal +B of the ECM.
If the igniti ...
Basic inspection
(a) WHEN MEASURING RESISTANCE OF
ELECTRONIC PARTS
(1) Unless otherwise stated, all resistance
measurements should be made at an ambient
temperature of 20°C (68°F). Resistance
measurements may be inaccurate if measured
at high temperatures, i.e. immediately after the
vehicle has been running ...
Display check mode
HINT:
This mode checks the color display on the display.
Illustrations may differ from the actual vehicle depending
on the device settings and options. Therefore, some
detailed areas may not be shown exactly the same as on
the actual vehicle.
1. ENTER DIAGNOSTIC MODE
2. D ...
