Description
Initial diagnosis of A/C auto amp.
DTC Logic
DTC DETECTION LOGIC

Diagnosis Procedure
1.CHECK WITH SELF-DIAGNOSIS FUNCTION OF CONSULT
Using CONSULT, perform "SELF-DIAGNOSIS RESULTS" of HVAC.
U1000 CAN comm circuit
B257B, B257C ambient sensorDiagnosis and repair workflow
WorkFlow
DETAILED FLOW
1.OBTAIN INFORMATION ABOUT SYMPTOM
Interview the customer to obtain the malfunction information (conditions and
environment when the malfunction occurred) as much as possible when the
customer brings the vehicle in.
2.REPRODUCE THE MALFUNCTION INFORMATION
Check the ma ...
Tweeter
Description
The AV control unit sends audio signals to the BOSE speaker amp. The BOSE
speaker amp. amplifies the
audio signals before sending them to the tweeters using the audio signal
circuits.
Diagnosis Procedure
1.CONNECTOR CHECK
Check the AV control unit, BOSE speaker amp. and speaker ...
Magnet clutch
Description
SYSTEM DESCRIPTION
A/C auto amp. controls A/C compressor operation by ambient temperature and
signal from ECM.
Low Temperature Protection Control
A/C auto amp. will turn the A/C compressor ON or OFF as determined
by a signal detected by ambient sensor.
When ambient temper ...