SECTION 06B: ELECTRICAL
DOB 2490-2789 | X3-45 Commuter PA1605 Maintenance Manual (Final Version – Rev.2 April 2016)
7
MID 188 PSID # 102 Direct Lts Relay (A49 J1:11)
Type of
fault:
FMI
Description:
Fault Condition:
Possible
Symptoms:
Possible Causes:
FMI 3
Shorted High
Voltage present on
output A49 J1:11 but
output not active
Direct Lights
Relay R6
always ON
•
A49 module failure
•
Direct Lights Relay R6 failure
•
Circuit 38 shorted to battery
FMI 4
Shorted Low
Output A49 J1:11
shorted to ground
Direct lights not
working
•
A49 module failure
•
Direct Lights Relay R6 failure
•
Circuit 38 shorted to ground
FMI 5
Open Circuit
A49 module does not
detect direct lights
relay R6
Direct lights not
working
•
A49 module failure
•
Direct Lights Relay R6 failure
•
Direct Lights Relay R6 open
circuit
•
Circuit 38 open
FMI 6
Current
above normal
Output A49 J1:11
internal software fuse
active for overcurrent
Direct lights not
working
•
A49 module failure
•
Circuit 38 shorted to ground
MID 188 PSID # 180 Driver Def Fan (A47 J1:1)
Type of
fault:
FMI
Description:
Fault Condition:
Possible
Symptoms:
Possible Causes:
FMI 3
Shorted High
Voltage present on
output A47 J1:1 but
output not active
Defroster fans
Mo24 and Mo25
not working
•
A47 module failure
•
A24 module failure
•
Circuit 86 shorted to battery
FMI 4
Shorted Low
Output A47 J1:1
shorted to ground
Defroster fans
Mo24 and Mo25
on full speed
•
A47 module failure
•
A24 module failure
•
Circuit 86 shorted to ground
FMI 5
Open Circuit
A47 module does not
detect Defroster
Speed Ctrl A24
Defroster fans
Mo24 and Mo25
on full speed
•
A47 module failure
•
A24 module failure
•
Circuit 86 open
FMI 6
Current
above normal
Output A47 J1:1
internal software fuse
active for overcurrent
Defroster fans
Mo24 and Mo25
on full speed
•
A47 module failure
•
A24 module failure
•
Circuit 86 shorted to ground
MID 188 PSID # 16 Driver heat Sol (A46 J1:6)
Type of
fault:
FMI
Description:
Fault Condition:
Possible
Symptoms:
Possible Causes:
FMI 3
Shorted High
Voltage present on
output A46 J1:6 but
output not active
No heat in
driver’s area
•
A46 module failure
•
Connector C4 corroded
•
Circuit 50 shorted to battery
FMI 4
Shorted Low
Output A46 J1:6
shorted to ground
Full heat in
driver’s area
•
A46 module failure
•
Connector C4 corroded
•
Circuit 50 shorted to ground