Many control units have applied to vehicle as it becomes more eletrolnical. These units control their own system based on information from diverse sensors. Therefore necessity of common use of diverse sensor information and importance of stable power supply are gathering strength. Battery sensor is mounted on battery (-) terminal. It transmits battery voltage, current, temperature information to PCM. PCM controls generating voltage by duty cycle based on these signals.
PCM sets this code when error bit in LIN messages from battery sensor indicates "1"
Item | Detecting Condition | Possible cause |
DTC Strategy |
•
Signal Monitoring | 1. Faulty battery sensor |
EnableConditions |
•
Engine Run Time ≥ 2 sec.
•
Ignition Voltage ≥ 11V | |
Threshold value |
•
Battery sensor error | |
Diagnosis Time |
•
Continuous | |
MIL On Condition |
•
NO MIL ON(DTC only) |
Fig 1) Signal waveforms of battery sensor
