





InteriorData Signal Circuit between Navigation Receiver Assembly and Extension Module
DESCRIPTION
The stereo component tuner assembly sends the sound data signal or image data
signal from a device to the navigation receiver assembly via this circuit.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
After replacing the stereo component tuner assembly of vehicles subscribed to
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System Diagram
SYSTEM DIAGRAM
Transmitting ECU (Transmitter)
Receiving ECU
Signal
Communication Method
4 wheel drive control ECU
Skid control ECU (Brake actuator assembly)
High-Low actuator fail
4WD status ...
Low Pitched Horn
Components
COMPONENTS
ILLUSTRATION
Inspection
INSPECTION
PROCEDURE
1. INSPECT LOW PITCHED HORN ASSEMBLY
(a) Check the operation.
(1) Apply battery voltage to the terminal 1 and body ground, and check
that the low pitched horn assembly sounds.
Text in Illustration
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