Research Article

[Retracted] Study on Fault Diagnosis Method and Application of Automobile Power Supply Based on Fault Tree-Bayesian Network

Table 1

Interpretation of Bayesian network nodes.

Node codeNode nameStatus valueState description

Access and start permission button0
1
Normal
Abnormal
Central control unit for comfort/convenience systems0
1
Normal
Abnormal
Engine control unit0
1
Normal
Abnormal
Electronic steering column locking device control unit0
1
Normal
Abnormal
Starting relay 10
1
Normal
Abnormal
Starting relay 20
1
Normal
Abnormal
15 relay0
1
Normal
Abnormal
Data bus diagnostic interface control unit0
1
Normal
Abnormal
Gear signal0
1
Normal
Abnormal
Press the remote control to unlock, and the double flashing light does not light up0
1
Normal
Abnormal
Parking lights do not work0
1
Normal
Abnormal
Turn on the ignition switch, the meter does not light up0
1
Normal
Abnormal
Turn on the ignition switch, the middle display does not work0
1
Normal
Abnormal
Turn on the ignition, steering column unlocked0
1
Normal
Abnormal
Insert the key, the key cannot be pulled out0
1
Normal
Abnormal
Brake pedal lamp does not work0
1
Normal
Abnormal
EPC light does not work0
1
Normal
Abnormal
The gear indicator flashes0
1
Normal
Abnormal
ESP normally on0
1
Normal
Abnormal
Abnormal noise of throttle0
1
Normal
Abnormal
Fan normally turns0
1
Normal
Abnormal
The starter rattles when starting0
1
Normal
Abnormal
The starter cannot be started again after being started once0
1
Normal
Abnormal
Engine fault light is delayed0
1
Normal
Abnormal
EPC, engine fault light flashing0
1
Normal
Abnormal
The instrument display is normal0
1
Normal
Abnormal
The instrument displays antitheft activation0
1
Normal
Abnormal
The steering column can be locked and unlocked normally0
1
Normal
Abnormal
The steering column can be unlocked but not locked0
1
Normal
Abnormal
The instrument shows that the direction lock is abnormal0
1
Normal
Abnormal
All fault lights on the instrument are on0
1
Normal
Abnormal
The instrument shows that the gear is not in the P/N gear0
1
Normal
Abnormal