P1568/1: Charge Alarm - Yanmar 3TNV82A Troubleshooting Manual

FAILURE DIAGNOSIS

(2) P1568/1: Charge Alarm

DTC P1568/1
DTC Detecting Conditions
1 - Precondition; 2 - Detecting condition(s); 3 - Flashing pattern of failure indicator
1. Key switch ON.
2. Charge switch turns ON after engine has been started.
* This manual assumes that the contact input is configured as Normally Open
(NO).
3. Three flashes followed by two flashes.
Movement at Error occurrence
Error Mode [Run As Is]:
After detecting the error, the system lets the engine continue to run without any
restrictions.
Run restricted? No.
Recovery No.
Conditions
Remarks
Estimation of Failure cause/Error condition
• The battery may not be properly charged.
• The alternator may be faulty.
• Wiring defect of the harness
The charge switch wiring may be short-circuited with GND.
•
• The charge switch may be faulty.
Inner wiring of the charge switch may be short-circuited with GND.
•
• The E-ECU internal circuitry may be faulty.
1-106
DTCs (Diagnostic Trouble Codes) General Description
Charge Alarm
Check points
alternator
Harness
Charge switch
E-ECU
TNV DI Service Manual