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Eldor power unit fault codes (with TEXA diagnostic software)
IDN
Component/Function
ATI
[DTC Code]
Rear stop light command
diagnosis (HSD)
6
P1656
[1656 hex]
Tip over sensor diagnosis
73
P1773
TTS command diagnosis
59
P2076
Engine Water temperature sensor 2
diagnosis
2
P2182
[2182 hex]
CAN bus diagnosis
8
U1600
CAN Communication NCM -
DASHBOARD
66
U1701
CAN Communication NCM - YRS
67
U1706
CAN Communication NCM - ABS
68
U1706
IDN ATI: Diagnosis fault number - PO: Power On - Ck: Cranking - Er: Engine Run - Vr: Vehicle Run
Air intake injection system
[Fault
Takeover
Symptom]
Plausibility
PO, Ck, Er, Vr
[1000]
Plausibility
PO, Ck, Er, Vr
[1000]
Plausibility
PO, Ck, Er, Vr
[1000]
Over
maximum
PO, Ck, Er, Vr
Threshold
[0001]
Under
minimum
PO, Ck, Er, Vr
Threshold
[0010]
Bus-Off
PO, Ck, Er, Vr
[0100]
No Signal
PO, Ck, Er, Vr
[0100]
No Signal
PO, Ck, Er, Vr
[0100]
No Signal
PO, Ck, Er, Vr
[0100]
- 23 -
Cause
Fault detection rules
CONDITION FOR DETECTION: If
Signal is not
THINFVBATDDIAG< Vbattery < HSUPVBATDDIAG
plausible or
DETECTION: It is recognized a fault through the
not coherent
hardware component signal feedback check
CONDITION FOR DETECTION: Always
Signal is not
DETECTION: It is recognized a fault if
plausible or
VCrashSignal<ANDIAGLOWTIPOVER; ANDI-
not coherent
GLOTHTIPOVER<VCrashSignal<ANDIGHTHTI-
POVER; VCrashSignal>ANDIAGHIGHTIPOVER
CONDITION FOR DETECTION: Always
Signal is not
plausible or
DETECTION: It is recognized a fault through the
not coherent
hardware component signal feedback check
Short circuit to
CONDITION FOR DETECTION: Always
Supply volta-
DETECTION: It is recognized a fault if VTWater2>
ge or Vehicle
VTWATER2MAX
supply
Open Circuit
CONDITION FOR DETECTION: Always
or Short
DETECTION: It is recognized a fault if VTWater2<
Circuit to
VTWATER2MIN
Ground
CONDITION FOR DETECTION: If VBattery >
CANVBATTHRMIN & a time elapsed from Key-ON
Short Circuit
event is greater than TNOCANDIAGAFTKEYON
on CAN wires
DETECTION: It is recognized a fault if The CAN
or hw problem
state is probed and if any error is detected, a punc-
tual fault of type 'FAULT_CAN_BUSOFF' is gene-
rated.
Electrical pro-
CONDITION FOR DETECTION: Always
blems on CAN
DETECTION: It is recognized a fault if there are no
wires or XXX
messages from the DASHBOARD
Fault
Electrical pro-
CONDITION FOR DETECTION: Always
blems on CAN
DETECTION: It is recognized a fault if there are no
wires or XXX
messages from the YRS
Fault
Electrical pro-
CONDITION FOR DETECTION: Always
blems on CAN
DETECTION: It is recognized a fault if there are no
wires or XXX
messages from the ABS
Fault
D
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