Diagnosis system (HVAC)
U1000 CAN comm circuitEngine control system symptoms
Symptom Table
SYSTEM - BASIC ENGINE CONTROL SYSTEM
1 - 6: The numbers refer to the order of inspection.
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SYSTEM - ENGINE MECHANICAL & OTHER
1 - 6: The numbers refer to the order of inspection. ...
AMP on signal circuit
Description
When the audio system is turned on, a voltage signal is supplied from the AV
control unit to the BOSE speaker
amp. When this signal is received, the BOSE speaker amp. will turn on.
Diagnosis Procedure
1.CHECK AMP ON SIGNAL (BOSE SPEAKER AMP)
Turn audio system ON.
Check v ...
U1000 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 error
detection ability. Many electronic
control units are equipped onto a vehicle, and each ...