E-Ecu Internal And Communication Errors; E-Ecu Internal Errors; P0601/12, P1610/12, P1611/12, P1612/12: Ecu Internal Errors - Yanmar 3TNV82A Troubleshooting Manual

FAILURE DIAGNOSIS

E-ECU Internal and Communication Errors

E-ECU Internal Errors

(1) P0601/12, P1610/12, P1611/12, P1612/12: ECU internal errors (1)

P0601/12
P1610/12
DTC
P1611/12
P1612/12
DTC Detecting Conditions
1 - Precondition; 2 - Detecting condition(s); 3 - Flashing pattern of failure indicator
1. Key switch ON.
2. E-ECU detects an error of the internal circuit.
3. Four flashes followed by one flash.
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 E-ECU internal circuitry may be faulty.
Diagnosis Description
1) Initial diagnosis
with the diagnosis
tool
1-122
DTCs (Diagnostic Trouble Codes) General Description
• Check the fault indication.
• Turn the key switch on/off to check the fault indication again.
*For details of the method and the procedure of diagnosis, see P.1-197
EEPROM error (read/write error)
Failure A with Sub-CPU
Failure B with Sub-CPU
Failure C with Sub-CPU
TNV DI Service Manual
Check points
E-ECU