Chrysler Pacifica. Manual — part 244
TEST
ACTION
APPLICABILITY
8
Turn ignition off.
Disconnect the MHSAPM C2 connector.
Measure the resistance of the Driver Seat Sensor 5 volt supply circuit to body ground.
Is the resistance below 100.0 ohms?
All
Yes
→ Repair the Driver Seat Sensor 5 Volt Supply circuit for a short to
ground.
Perform POWER SEAT SYSTEM VERIFICATION TEST - VER
1.
No
→ Go To 9
9
If there are no possible cause remaining, view repair.
All
Repair
Replace the Memory/Heated Seat Adjustable Pedal Module.
Perform POWER SEAT SYSTEM VERIFICATION TEST - VER 1.
973
POWER SEATS
DRIVER REAR RISER SENSOR OUT OF RANGE LOW - MHSAPM —
Continued
Symptom:
DRIVER REAR RISER SWITCH STUCK - DDM
When Monitored and Set Condition:
DRIVER REAR RISER SWITCH STUCK - DDM
When Monitored:
Continuously.
Set Condition:
If the switch is held in the on position for over 30 seconds, this code will
set.
POSSIBLE CAUSES
DTC PRESENT
DRIVER POWER SEAT SWITCH
DRIVER SEAT FRONT RISER/PEDAL FORWARD SWITCH MUX
DRIVER DOOR MODULE
TEST
ACTION
APPLICABILITY
1
Check the seat switches mechanical operation and also check for a possible obstruc-
tion. Correct if necessary.
Turn the ignition on.
With the DRBIII
t, erase DTCs.
Cycle the ignition switch from Off to Run.
Operate the Seat Switch in all positions several times.
With the DRBIII
t, read DTCs.
Does the DRBIII
t display DRIVER REAR RISER SWITCH STUCK?
All
Yes
→ Go To 2
No
→ The condition that caused this code to set is not present at this
time. Operate the switch several times to ensure it does not stick.
If the switch ever sticks, replace it.
Perform POWER SEAT SYSTEM VERIFICATION TEST - VER 1.
2
Disconnect the Driver Power Seat Switch connector.
Turn the ignition on.
With the DRBIII
t, erase DTCs.
Cycle the ignition switch from Off to Run and wait 30 seconds.
With the DRBIII
t, read DTCs.
Does the DRBIII
t display DRIVER REAR RISER SWITCH STUCK?
All
Yes
→ Go To 3
No
→ Replace the Driver Power Seat Switch.
Perform POWER SEAT SYSTEM VERIFICATION TEST - VER 1.
974
POWER SEATS
TEST
ACTION
APPLICABILITY
3
Turn the ignition off.
Disconnect the Driver Power Seat Switch connector.
Disconnect the Driver Door Module C2 connector.
Inspect the Driver Seat Front Riser/Pedal Forward Switch MUX circuit for a partial
short to ground or to another circuit in the seat switch harness.
Were there any problems found?
All
Yes
→ Repair the Driver Seat Front Riser/Pedal Forward Switch MUX
circuit as necessary.
Perform POWER SEAT SYSTEM VERIFICATION TEST - VER
1.
No
→ Replace the Driver Door Module.
Perform BODY VERIFICATION TEST - VER 1.
975
POWER SEATS
DRIVER REAR RISER SWITCH STUCK - DDM —
Continued
Symptom:
DRIVER RECLINE SWITCH STUCK - DDM
When Monitored and Set Condition:
DRIVER RECLINE SWITCH STUCK - DDM
When Monitored:
Continuously.
Set Condition:
If the switch is held in the on position for over 30 seconds, this code will
set.
POSSIBLE CAUSES
DTC PRESENT
DRIVER POWER SEAT SWITCH
DRIVER SEAT RECLINER/LUMBAR OUT SWITCH MUX
DRIVER DOOR MODULE
TEST
ACTION
APPLICABILITY
1
Check the seat switches mechanical operation and also check for a possible obstruc-
tion. Correct if necessary.
Turn the ignition on.
With the DRBIII
t, erase DTCs.
Cycle the ignition switch from Off to Run.
Operate the Seat Switch in all positions several times.
With the DRBIII
t, read DTCs.
Does the DRBIII
t display DRIVER RECLINE SWITCH STUCK?
All
Yes
→ Go To 2
No
→ The condition that caused this code to set is not present at this
time. Operate the switch several times to ensure it does not stick.
If the switch ever sticks, replace it.
Perform POWER SEAT SYSTEM VERIFICATION TEST - VER 1.
2
Disconnect the Driver Power Seat Switch connector.
Turn the ignition on.
With the DRBIII
t, erase DTCs.
Cycle the ignition switch from Off to Run and wait 30 seconds.
With the DRBIII
t, read DTCs.
Does the DRBIII
t display DRIVER RECLINE SWITCH STUCK?
All
Yes
→ Go To 3
No
→ Replace the Driver Power Seat Switch.
Perform POWER SEAT SYSTEM VERIFICATION TEST - VER 1.
976
POWER SEATS
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