The system voltage has to be high enough to guarantee in order to perform diagnosis functions. The ECM monitors battery voltage.
ECM sets DTC P0562 if the ECM detects system voltage lower than the possible range of battery voltage.
Item
Detecting Condition
Possible cause
Monitoring Strategy
? Signal check Low
? Open in control circuit (pin 14)
? Charging system
? Faulty ECM
Threshold value
? Voltage : < 10V
Enable Conditions
? 120 sec after engine start
Diagnostic Time
? 0.2 sec
Fail Safe
? None
System Voltage
Normal Parameter(at 1300 rpm after warming up) D
Engine stop
Idle
Voltage
11 ~ 13 V
12 ~ 15 V