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FAULT CODE
174
Intake air temperature sensor - signal line has a short circuit to sensor ground
Condition
Th e diagnostic tool is disconnected.
The EFI control unit is disconnected.
The breakout box is connected to the wiring harness.
The intake air temperature sensor is disconnected.
600849-01
Intake air temperature sensor - check the signal line for a short circuit to sensor ground
–
Measure the resistance between the specified points.
Break Out Box
DT
Pin
24
–
Break Out Box
DT
Pin
25
Resistance
∞ Ω
» If the measured value does not correspond to the specified value:
–
Check the cable from connector
DT
pin
25
to connector
CM
pin
2
for a short
circuit to sensor ground.
Intake air temperature sensor - signal line has a short circuit to ground (terminal 31)
Condition
Th e diagnostic tool is disconnected.
The EFI control unit is disconnected.
The breakout box is connected to the wiring harness.
600849-01
400607-11
Intake air temperature sensor - check the signal line for a short circuit to ground (terminal 31)
–
Measure the resistance between the specified points.
Break Out Box
DT
Pin
25
–
measuring point
Ground(
−
)
Resistance
∞ Ω
» If the measured value does not correspond to the specified value:
–
Check the cable from connector
DT
pin
25
to connector
CM
pin
2
for a short circuit to ground (terminal 31).
» If the measured value corresponds to the specified value:
–
Contact customer service.
Summary of Contents for FE 450 AUS
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Page 237: ...235...
Page 243: ...WIRING DIAGRAM 241...
Page 247: ...WIRING DIAGRAM 245...
Page 253: ...WIRING DIAGRAM 251...
Page 261: ...WIRING DIAGRAM 259...