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CONTROL SYSTEM
2-14
TNV Application Manual
About battery reverse connection
• Battery reverse connection will cause damage to the E-ECU and the rack position sensor.
• To protect the E-ECU and the rack position sensor against inadvertent reverse connection, main and sub
relays fitted with a reverse connection prevention diode (198461-52950) should be arranged as indicated
on the standard connection diagrams (E3-29927-0030/0040).
Check for initialization of the E-ECU
The E-ECU is factory set so that the internal EEPROM is reset at the first power-up of the E-ECU. At the first
power-up, check for correct initialization of the E-ECU (EEPROM) as follows:
At the first power-up: When the failure lamp illuminates, initialization is complete. The engine cannot be
started in succession to the initialization process. To enable starting the engine, turn
off the power to the E-ECU; then turn on the power again.
If the failure lamp remains off, the harness or the E-ECU is probably out of order. See
"Troubleshooting chart" for details.
At the second and later power-up: When the failure lamp illuminates for two seconds and then goes out,
the E-ECU works normally. If the failure lamp remains off or flashes, the
harness or the E-ECU is probably out of order. See "Troubleshooting
chart" for details.
00_Electronic_Control_System.book 14 ページ 2006年5月29日 月曜日 午後2時12分
Summary of Contents for Yanmar 3TNV82A-B
Page 95: ...CONTROL SYSTEM 2 76 TNV Application Manual 00_Electronic_Control_System book 76...
Page 96: ...Appendix Standard harness 1 00_ _E fm 1...
Page 97: ...Appendix Standard harness 2 00_ _E fm 2...
Page 98: ...TNV Series service tool Operation Manual...
Page 132: ...32 7 Main Menu Figure 7 15 Data Logging Data Monitor Screen...
Page 145: ...7 Main Menu 45 Figure 7 27 System Installation Configuration Screen...