Reference Values
TERMINAL LAYOUT

PHYSICAL VALUES

Audio unit
Bose speaker AMPPower supply and ground circuit
AUDIO UNIT
AUDIO UNIT : Diagnosis Procedure
1.CHECK FUSES
2.POWER SUPPLY CIRCUIT CHECK
Disconnect audio unit connector M132.
Check voltage between the audio unit connector M132 and ground.
3.GROUND CIRCUIT CHECK
Inspect audio unit case ground.
DISPLAY UNIT
DISPLAY UNIT : Dia ...
Normal operating condition
Description
The majority of the audio concerns are the result of outside causes (bad CD,
electromagnetic interference, etc.).
NOISE
The following noise results from variations in field strength, such as fading
noise and multi-path noise, or external noise from trains and other sources.
It i ...
ASCD brake switch
Description
When the brake pedal is depressed, ASCD brake switch is turned OFF and stop
lamp switch is turned ON.
ECM detects the state of the brake pedal by those two types of input (ON/OFF
signal).
Refer to EC-68, "System Diagram" for the ASCD function.
Component Function Che ...