TROUBLESHOOTING
97
18
ECU-ROM
Flash ROM checksum error
occurred
Is shut down
Key switch is
turned to OFF
Standard
4-1
19
ECU-EEPROM
Reading/writing error occurred
Continues to run normally
Checksum error occurred
21
ECU-sub CPU
Communication with sub
microcomputer failed
Continues to run normally
22
ECU-mapping
format
Mapping format is invalid
Is shut down
23
ECU-temperatu
re sensor
Sensor voltage is over 4.6 V or
under 1.0 V
Continues to run normally
Temperature
returns to normal
No.
Fault (alarm)
location
Fault/alarm condition
Engine status
Reset condition
Availability
of
detection
features
No. of
flashes/flashing
pattern of fault
indicator
TNV_OperationManual_T4(under 19kW).book Page 97 Wednesday, June 17, 2015 11:23 AM