Sakai SW354, Руководство по ремонту

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10-086
TROUBLESHOOTING
SW504
J1939-73
DTC Name Detection Item
Behaviour During
Malfunction
SPN FMI
168
3 Battery voltage: High
Open circuit, short circuit or
damage of harness
Failure of battery
•
•
Faulty starting
Insufficient output
Worsening exhaust gas
performance
•
•
•
4 Battery voltage: Low
Open circuit, short circuit or
damage of harness
Failure of battery
•
•
Faulty starting
Insufficient output
Worsening exhaust gas
performance
Engine stops in some case
•
•
•
•
171
3
Intake air temperature built-in
MAF sensor: High
Open circuit or +B short circuit of
sensor / harness
•
None •
4
Intake air temperature built-in
MAF sensor: Low
Ground short circuit of sensor /
harness
•
172
3
Intake air temperature error:
High
Open circuit or +B short circuit of
sensor / harness
•
Amount of white
smoke increases at low
temperatures
•
4
Intake air temperature error:
Low
Ground short circuit of sensor /
harness
•
190 0 Engine overrun
Engine speed exceeds threshold
speed
•
Overrun •
628 2 ECU FLASH ROM error FLASH ROM error • Engine stops •
633 7
Pressure limiter emergency
open
Pressure limiter emergency open •
Insufficient output
Worsening exhaust gas
performance
•
•
636
2
NE sensor (Crankshaft position
sensor) pulse number error
Open circuit or short circuit of
sensor / harness
Failure of sensor
•
•
(Running only with G signal)
Faulty starting
Vibration is slightly large
Insufficient output
•
•
•
7 NE-G phase shift
Large phase shift between NE
(crankshaft position sensor)
pulse and G (camshaft position
sensor) pulse
•
(Invalid G signal)
Engine hesitates at
start-up
•
8
No input of NE sensor
(Crankshaft position sensor)
pulse
Open circuit or short circuit of
sensor / harness
Failure of sensor
•
•
(Running only with G signal)
Faulty starting
Vibration is slightly large
Insufficient output
•
•
•
651 3
Open circuit of harness/coil in
1st cylinder injector
Open circuit of harness
Open circuit of injector coil
•
•
Insufficient output
Large vibration
Worsening exhaust gas
performance
•
•
•
652 3
Open circuit of harness/coil in
2nd cylinder injector
653 3
Open circuit of harness/coil in
3rd cylinder injector
654 3
Open circuit of harness/coil in
4th cylinder injector
676
0
Glow heater relay driving circuit
overheat
Overheat of glow plug driving
circuit
•
(At low temperature)
Faulty starting
Increase in white smoke
•
•
5
Open circuit of glow relay
driving circuit
Open circuit of air glow relay •
677 4
Ground short of starter relay
driving circuit
Ground short of starter relay
driving circuit
•
Faulty starting •