SECTION 06B: ELECTRICAL
DOB 2490-2789 | X3-45 Commuter PA1605 Maintenance Manual (Final Version – Rev.2 April 2016)
37
FMI 5
Open Circuit
A52 module does not
detect Unloader RH
L199
Unloader RH
L199 not
working
•
A52 module failure
•
Unloader RH L199 failure
•
Circuit 31 open
FMI 6
Current
above normal
Output A52 J1:21
internal software fuse
active for overcurrent
Unloader RH
L199 not
working
•
A52 module failure
•
Connector C91 or C19 corroded
•
Circuit 31 shorted to ground
MID 188 SID # 34 Up Def Heater1 (A46 J1:1)
Type of
fault:
FMI
Description:
Fault Condition:
Possible
Symptoms:
Possible Causes:
FMI 3
Shorted High
Voltage present
on output A46
J1:1 but output
not active
Upper Defrost
LH Heater
Res37 always
ON
•
A46 module failure
•
Connector C45 or CMo5 corroded
•
Circuit 5A shorted to battery
FMI 4
Shorted Low
Output A46 J1:1
shorted to ground
Upper Defrost
LH Heater
Res37 not
working
•
A46 module failure
•
Upper Defrost LH Heater Res37
failure
•
Connector C45 or CMo5 corroded
•
Circuit 5A shorted to ground
FMI 5
Open Circuit
A46 module does
not detect Upper
Defrost LH
Heater Res37
Upper Defrost
LH Heater
Res37 not
working
•
A46 module failure
•
Upper Defrost LH Heater Res37
failure
•
Circuit 5A open
FMI 6
Current
above normal
Output A46 J1:1
internal software
fuse active for
overcurrent
Upper Defrost
LH Heater
Res37 not
working
•
A46 module failure
•
Connector C45 or CMo5 corroded
•
Circuit 5A shorted to ground
MID 188 SID # 35 Up Def Heater2 (A46 J1:2)
Type of
fault:
FMI
Description:
Fault Condition:
Possible
Symptoms:
Possible Causes:
FMI 3
Shorted High
Voltage present
on output A46
J1:2 but output
not active
Upper Defrost
RH Heater
Res37 always
ON
•
A46 module failure
•
Connector C45 or CMo5 corroded
•
Circuit 5B shorted to battery
FMI 4
Shorted Low
Output A46 J1:2
shorted to ground
Upper Defrost
RH Heater
Res37 not
working
•
A46 module failure
•
Upper Defrost RH Heater Res37
failure
•
Connector C45 or CMo5 corroded
•
Circuit 5B shorted to ground
FMI 5
Open Circuit
A46 module does
not detect Upper
Defrost RH
Heater Res37
Upper Defrost
RH Heater
Res37 not
working
•
A46 module failure
•
Upper Defrost RH Heater Res37
failure
•
Circuit 5B open
FMI 6
Current
above normal
Output A46 J1:2
internal software
fuse active for
overcurrent
Upper Defrost
RH Heater
Res37 not
working
•
A46 module failure
•
Connector C45 or CMo5 corroded
•
Circuit 5B shorted to ground