DIAGNOSTIC MANUAL
3719
16
DPF Soot Load – Moderate (level
2/3)
•
Level 2 DPF Regen required
3936
0
DPF Soot Load – Severe De-Rate
•
Level 3 DPF plugged
3936
14
DPF– Regen duration above limit
•
Engine unable to build enough heat to
the DOC
•
DOC failure
•
DSI failure to inject fuel into the exhaust
•
DPF failure
4077
3
AFTFP2 signal Out of Range HIGH
•
AFTFP2 signal circuit OPEN or short to
PWR
•
Failed AFTFIS
4765
2
DOCIT signal does not agree with
other exhaust sensors
•
DOCIT biased sensor or circuit
4765
3
DOCIT signal Out of Range HIGH
•
DOCIT signal circuit OPEN or short to
PWR
•
SIG GND circuit OPEN
•
Failed DPFOT sensor
4765
4
DOCIT signal Out of Range LOW
•
DOCIT signal circuit short to GND
•
Failed DPFOT sensor
4765
7
DOCIT not increasing with engine
temperature
•
Biased DPFOT sensor or circuit
5456
3
AFTFT signal Out of Range HIGH
•
AFTFT signal circuit OPEN or short to
PWR
•
Failed AFTFIS
5456
4
AFTFT signal Out of Range LOW
•
AFTFT signal circuit short to GND
•
Failed AFTFIS
5541
1
TC1TOP pressure below minimum
•
Failed Exhaust Back Pressure valve
(Stuck open)
5541
3
TC1TOP signal Out of Range HIGH
•
TC1TOP signal circuit OPEN or short to
PWR
•
SIG GND circuit OPEN
•
Failed TC1TOP sensor
5541
4
TC1TOP signal Out of Range LOW
•
TC1TOP signal circuit short to GND
•
Failed TC1TOP sensor
77
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Содержание MaxxForce DT
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