SECTION 06B: ELECTRICAL
DOB 2490-2789 | X3-45 Commuter PA1605 Maintenance Manual (Final Version – Rev.2 April 2016)
15
FMI 3
Shorted High
Voltage present on
output A47 J1:7 but
output not active
Open Solenoid
Valve So5
always ON -
Entrance door
cannot be
closed
•
A47 module failure
•
Open solenoid valve So5
failure
•
Connector C70 corroded
•
Connector C6 corroded
•
Circuit 48A shorted to battery
FMI 4
Shorted Low
Output A47 J1:7
shorted to ground
Entrance door
cannot be
opened with
switch
•
A47 module failure
•
Open solenoid valve So5
failure
•
Circuit 48A shorted to ground
FMI 5
Open Circuit
A47 module does not
detect Open Solenoid
Valve So5
Entrance door
cannot be
opened with
switch
•
A47 module failure
•
Open solenoid valve So5 open
•
Circuit 48A open
FMI 6
Current
above normal
Output A47 J1:7
internal software fuse
active for overcurrent
Entrance door
cannot be
opened with
switch
•
A47 module failure
•
Circuit 48A shorted to ground
•
Open solenoid valve So5
shorted internally
MID 188 PSID # 72 Ent Unlk Sol (A47 J1:8)
Type of
fault:
FMI
Description:
Fault Condition:
Possible
Symptoms:
Possible Causes:
FMI 3
Shorted High
Voltage present on
output A47 J1:8 but
output not active
Unlk Solenoid
Valve So3 or
Unlk Solenoid
Valve So4 always
ON - Entrance
door cannot be
locked
•
A47 module failure
•
Unlk solenoid valve So3 failure
•
Unlk dolenoid valve So4 failure
•
Circuit 12W shorted to battery
FMI 4
Shorted Low
Output A47 J1:8
shorted to ground
Entrance door
cannot be
unlocked
•
A47 module failure
•
Unlk solenoid valve So3 failure
•
Unlk dolenoid valve So4 failure
•
Circuit 12W shorted to ground
FMI 5
Open Circuit
A47 module does not
detect Unlk Solenoid
Valve So3 or Unlk
Solenoid Valve So4
Entrance door
cannot be
unlocked
•
A47 module failure
•
Unlk solenoid valve So3 open
•
Unlk dolenoid valve So4 open
•
Circuit 12W open
FMI 6
Current
above normal
Output A47 J1:8
internal software fuse
active for overcurrent
Entrance door
cannot be
unlocked
•
A47 module failure
•
Circuit 12W shorted to ground
•
Unlk solenoid valve So3 or
So4 shorted internally
MID 188 PSID # 77 Evap Motor Rly (A54 J1:7)
Type of
fault:
FMI
Description:
Fault Condition:
Possible
Symptoms:
Possible Causes:
FMI 3
Shorted High
Voltage present on
output A54 J1:7 but
output not active
Evaporator fan
always ON
•
A54 module failure
•
Evaporator Relay R12 failure
•
Circuit 67 shorted to battery
FMI 4
Shorted Low
Output A54 J1:7
shorted to ground
Evaporator fan
not working
•
A54 module failure
•
Evaporator Relay R12 failure
•
Circuit 67 shorted to ground
