P0563/0: Power Supply Voltage Error (High Voltage) - Yanmar 3TNV82A Troubleshooting Manual

FAILURE DIAGNOSIS

(2) P0563/0: Power Supply Voltage Error (High Voltage)

DTC P0563/0
DTC Detecting Conditions
1 - Precondition; 2 - Detecting condition(s); 3 - Flashing pattern of failure indicator
1. Engine running.
2. E-ECU supply voltage over 16[V]
3. Two flashes followed by three flashes.
Movement at Error occurrence
Error Mode [Operation Continuation]: After detecting the error, the system lets the engine
continue to run without any restrictions.
Run restricted? No.
Recovery Yes: This error will be automatically reset when a normal supply voltage (10 to 16[V])
Conditions
Remarks
Estimation of Failure cause/Error condition
• An incompatible battery (such as a 24V battery) may be used.
• The battery connection may be miswired.
• The alternator may be faulty.
• The harness may be disconnected or short-circuited.
• The E-ECU internal circuitry may be faulty.
1-58
DTCs (Diagnostic Trouble Codes) General Description
is input.
Power Supply Voltage Error (High Voltage)
TNV DI Service Manual
Check points
Battery
alternator
Harness