Diagnosis system (AV control unit)
U1000 CAN comm circuitU1000 CAN comm circuit
Description
CAN (Controller Area Network) is a serial communication line for real time
application. It is an on-vehicle multiplex
communication line with high data communication speed and excellent malfunction
detection ability.
Many electronic control units are equipped onto a vehicle, an ...
Brake warning lamp
Description
NOTE:
1: Brake warning lamp will turn on in case of parking brake operation
(when switch is ON) or of brake fluid level switch operation
(when brake fluid is insufficient).
2: After starting engine, brake warning lamp is turned off.
Component Function Check
1.B ...
Power supply and ground circuit
POWER SUPPLY AND GROUND CIRCUIT AUDIO UNIT
AUDIO UNIT : Diagnosis Procedure
1.CHECK FUSES
Check that the following fuses are not blown.
2.POWER SUPPLY CIRCUIT CHECK
Disconnect audio unit connector M133.
Check voltage between the audio unit connector M133 and ground.
3.GROUND C ...