Ecu Internal And Communication Errors; Ecu Internal Errors - Yanmar 3TNV82A Troubleshooting Manual

Method and Procedure of Failure Diagnosis

ECU Internal and Communication Errors

ECU Internal Errors

Related DTC
P0601/12
P1601/2
P0605/12
P1605/2
DTC P1606/2
P1610/12
P1611/12
P1612/12
P1620/12
Work flow
*For details of the work, see after-mentioned "<Work Description>."For the operation of the
diagnosis tool, see "Diagnosis tool Operation Manual" separately.
Initial diagnosis with the diagnosis tool
A. Check the current
failure display
Current failure
exists.
[Check items]: Fault Code
Failure diagnosis flow
Repeat
above-mentioned initial
Rewrite E-ECU software or replace E-ECU.
TNV DI Service Manual
EEPROM error (read/write error)
EEPROM error (Checksum)
Flash ROM error (Checksum A)
Flash ROM error (Checksum B)
Flash ROM error (Checksum C)
Failure A with Sub-CPU
Failure B with Sub-CPU
Failure C with Sub-CPU
Map format error
DTC in the failure history indication
Turn key switch
ON/OFF
1. Same work as
diagnosis
OK
DTC in the failure history indication
FAILURE DIAGNOSIS
Check the failure
conditions.
Check the failure
conditions.
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