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CONTROL SYSTEM
2-58
TNV Application Manual
7
Backup speed
sensor failure
Engine start signal
(E8) is on, but the
engine speed is
zero.
Engine continues to run while main speed
sensor is used.
Backup speed sensor failed: Engine stops.
Turn key off.
Default to
disable
1-1
Engine speed
decreases by 480
min
-1
or more in 40
ms.
8
CAN communica-
tion failure
CAN communica-
tion packets cannot
be received.
Last value is retained. Backup sensor
becomes active.
Correct failure. Default to
enable
1-2
9
EGR valve failure
Low status is
detected even
through port is off.
Engine runs with limited output(92%) and
speed(1800min
-1
).
Turn key off.
Default to
disable
1-3
High status is
detected even
through port is on.
10
CSD solenoid valve
failure
High status is
detected even
through port is off.
Engine continues to run with port being off.
Turn key off.
Always
enable
1-4
Low status is
detected even
through port is on.
11
Air heater relay
failure
High status is
detected even
through port is off.
Engine runs with air heater relay being off.
Turn key off.
Default to
enable
1-5
Low status is
detected even
through port is on.
12
Main relay failure
Power is not shut off
even though main
relay is off.
Engine runs normally.
Correct fail-
ure.Or turn key
off.
Default to
disable
1-6
13
Rack actuator relay
failure
Low status is
detected even
through port is off.
Engine stops.
Turn key off.
Always
enable
1-7
High status is
detected even
through port is on.
14
Backup accelerator
sensor failure
Sensor voltage is
4.6 V or more, or
0.2 V or less.
Engine continues to run while main acceler-
ator sensor is used.
Main accelerator sensor failure: Engine runs
at 1500 min
-1
.(Option can change)
Correct failure. Default to
enable
1-8
15
Atmospheric pres-
sure sensor failure
Atmospheric pressure compensation is
canceled.
Turn key off.
Default to
enable
1-9
16
Oil pressure switch
failure
Oil pressure switch
fails to turn on when
engine is off.
Engine runs normally.(Option can change)
Turn key off.
Default to
enable
2-1
17
Charge switch
failure
Charge switch fails
to turn on when
engine is off.
Engine runs normally.
Turn key off.
Default to
enable
2-2
18
Power supply volt-
age abnormal
E-ECU supply volt-
age exceeds 10.0 V.
Engine runs normally.
Correct failure.
Always
enable
2-3
E-ECU supply volt-
age exceeds 16.0 V.
Table 2-12 Diagnostic list
No.
Item
Failure detection
conditions
Operation when failure occurs
Action/
condition for
recovery
Category
Number
of
flashes
00_Electronic_Control_System.book 58 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...