TROUBLESHOOTING
96
9
Main relay
Power cannot be turned off
even though main relay is off
Continues to run normally
Relay returns to
normal. This fault
will persist even if
key switch is
turned to OFF.
Default
1-6
10
Rack actuator
relay
LOW status was detected even
though port was off
Is shut down
Key switch is
turned to OFF
Standard
1-7
HIGH status was detected even
though port was on
11
Oil pressure
switch
Oil pressure switch is not turned
on while engine is stopped
Continues to run normally.
(Other option can be
selected).
Key switch is
turned to OFF
Optional
2-1
12
Power supply
voltage
An ECU supply voltage of under
10.0 V was detected
Continues to run normally
Voltage returns to
normal
Standard
2-3
An ECU supply voltage of over
16.0 V was detected
13
ECU
temperature
(alarm)
ECU temperature is over
105 °C
Continues to run normally.
(Other option can be
selected).
Temperature
returns to normal;
under 100 °C
(other optional
setting is allowed)
Optional
2-5
14
Oil pressure
Oil pressure switch is not turned
off while engine is running
Continues to run normally.
(Other option can be
selected).
Pressure returns
to normal
Optional
3-1
15
Battery charge
(alarm)
Battery changing switch is not
turned off while engine is
running
Continues to run normally
Key switch is
turned to OFF
Optional
3-2
16
Battery
charging switch
Battery changing switch is not
turned off while engine is
running
Continues to run normally
Key switch is
turned to OFF
Optional
2-2
17
Coolant
temperature
(alarm)
Coolant temperature is over
110 °C
Continues to run normally.
(Other option can be
selected).
Temperature
returns to normal;
under 105 °C
(other optional
setting is allowed)
Standard
3-6
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 96 Wednesday, June 17, 2015 11:23 AM