JLG 1850SJ Service And Maintenance Manual page 134

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SECTION 3 - CHASSIS & TURNTABLE
Deutz
Blink
SPN
FMI
Code
Code
978
1-2-6
29
2
980
515
523550
12
992
128
105
1
994
128
105
3
995
128
105
4
996
233
105
0
997
233
105
0
1007
682
412
3
1008
682
412
4
1011
771
523960
0
3-84
Table 3-10. Engine Fault Codes
Description
Diagnostic fault check of synchronism of
hand throttle and Low idle switch(LIS).
Terminal 50 was operated for more than 2
minutes. This may happen due to short to
battery or wrong usage of Terminal 50.
Starter control is disabled until this error is
healed.
Charged Air cooler down stream tempera-
ture.
Temperature below lower physical thresh-
old.
Charge air temperature sensor: the voltage
of sensor measured by ECU is out of the tar-
get range.
Charge air temperature sensor: the voltage
of sensor measured by ECU is out of the tar-
get range.
Charge air temperature downstream calcu-
lated by ECU is above the target range.
The ECU activates a system reaction.
Charge air temperature downstream calcu-
lated by ECU is under the shut down thresh-
old.
The ECU activates a system reaction.
EGR downstream temperature sensor: the
voltage of sensor measured by ECU is out of
the target range.
EGR downstream temperature sensor: the
voltage of sensor measured by ECU is out of
the target range.
Physical range check high for EGR cooler
downstream temperature.
Possible Cause
Plausibility error between sensor and idle
switch
Startinformation to Starter (T50-switch)
erratic/defect.
Sensed temperature within intake air manifold
< threshold.
Short circuit to battery.
sensor voltage > limit
Short circuit to ground or open load.
sensor voltage < limit.
Charge air temperature (downstream) over
warning threshold.
Charge air temperature (downstream) over the
low threshold.
Short circuit to battery.
sensor voltage > limit
Short circuit to ground or open load.
sensor voltage < limit
Sensed temperature downstream EGR-cooler
> limit.
Action
Threshold for error detection is an internal ECU
threshold.
The accelerator pedal must have detected full
load and idle plausibility at least once.
Threshold for error detection is an internal ECU
threshold.
Check cabling, if sensor not working, check start
switch and if necessary replace it,
check connection cable and if necessary repair
or replace it.
actual temperature below -40°C?
exchange sensor
The sensor raw signal Air_uRawTCACDs (volt-
age) > Air_SRCTCACDs.uMin_C.
Check CAC-sensor and if necessary replace it,
check connection cable and if
necessary repair or replace it.
The sensor raw signal Air_uRawTCACDs (volt-
age) is below Air_SRCTCACDs.uMin_C.
Check CAC-sensor and if necessary replace it,
check connection cable and if
necessary repair or replace it
Check CAC system and clean it. Check fan func-
tionality.
Check cooling perfomance with temperature
measurement.
Check CAC system and clean it. Check fan func-
tionality. Check cooling perfomance
with temperature measurement.
Check wiring harness to TEGR-sensor.
Exchange TEGR-sensor.
Check wiring harness to TEGR-sensor.
Exchange TEGR-sensor.
EGR-Valve blocked open
EGR-Valve actuator defect
EGR-cooler defect (check for coolant water)
Reed Valve defect
Intake throttle blocked in closed position
Exhaust pressure too high
Check Nox-sensor upstream SCR catalyst
dp venturi sensor defect
3121619

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