2001 CHRYSLER VOYAGER seat memory

Symptom:
MEMORY POSITION SWITCH STUCK
When Monitored and Set Condition:
MEMORY POSITION SWITCH STUCK
When Monitored: Anytime the Body Control Module is awake.
Set Condition: If the Memory switch is active for over 10 seconds.
POSSIBLE CAUSES
DTC PRESENT
MEMORY SET SWITCH STUCK
MEMORY SELECT SWITCH MUX SHORT TO GROUND
BODY CONTROL MODULE
TEST ACTION APPLICABILITY
1 With the DRBIIIt, record and erase DTC's.
Cycle the ignition OFF then back ON.
With the DRBIIIt, read DTCs.
Operate the Memory Set switch several times while monitoring the DRBIII.
Does the DRBIIItdisplay MEMORY SWITCH INPUT STUCK?All
Ye s®Go To 2
No®Using the wiring diagram/schematic as a guide, inspect the
wiring and connectors for an intermittent condition.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
2 Disconnect the Memory Set Switch connector
Turn the ignition on.
With the DRBIIItin Sensors, read the Memory Select SW Volts.
Is the voltage above 4.8 volts?All
Ye s®Replace the Memory Set Switch.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
No®Go To 3
3 Turn the ignition off.
Disconnect the Memory Set switch connector.
Disconnect the BCM C1 harness connector.
Measure the resistance between ground and the Memory Select Switch MUX circuit.
Is the resistance above 1000.0 ohms?All
Ye s®Go To 4
No®Repair the Memory Select Switch MUX circuit for a short to
ground.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
674
MEMORY SEAT

TEST ACTION APPLICABILITY
4 If there are no possible causes remaining, view repair. All
Repair
Replace the Body Control Module.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
675
MEMORY SEAT
MEMORY POSITION SWITCH STUCK ÐContinued

Symptom:
MEMORY SWITCH INPUT OPEN
When Monitored and Set Condition:
MEMORY SWITCH INPUT OPEN
When Monitored: Continuously when the PCI bus is active.
Set Condition: If the Memory Set switch voltage is greater than 4.8 volts for over 10
seconds.
POSSIBLE CAUSES
DTC PRESENT
MEMORY SET SWITCH OPEN
MEMORY SELECT SWITCH MUX OPEN
MEMORY SELECT SWITCH RETURN OPEN
BODY CONTROL MODULE
TEST ACTION APPLICABILITY
1 With the DRBIIIt, record and erase DTC's.
Cycle the ignition OFF then back ON.
With the DRBIIIt, read DTCs.
Operate the Memory Set switch several times while monitoring the DRBIII.
Does the DRBIIItdisplay MEMORY SWITCH INPUT OPEN?All
Ye s®Go To 2
No®Using the wiring diagram/schematic as a guide, inspect the
wiring and connectors for an intermittent condition.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
2 Disconnect the Memory Set Switch connector
Turn the ignition on.
Connect a jumper wire between Memory Select Switch MUX and Memory Select
Switch Return.
With the DRBIIItin Sensors, read the Memory Select SW Volts.
Is the voltage below 1.0 volt?All
Ye s®Replace the Memory Set Switch.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
No®Go To 3
676
MEMORY SEAT

TEST ACTION APPLICABILITY
3 Turn the ignition off.
Disconnect the Memory Set switch connector.
Disconnect the BCM C1 harness connector.
Measure the resistance of the Memory Select Switch MUX circuit between the
Memory Set Switch connector and the BCM C1 connector.
Is the resistance below 5.0 ohms?All
Ye s®Go To 4
No®Repair the Memory Select Switch MUX circuit for an open.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
4 Turn the ignition off.
Disconnect the Memory Set switch connector.
Disconnect the BCM C1 harness connector.
Measure the resistance of the Memory Select Switch Return circuit between the
Memory Set Switch connector and the BCM C1 connector.
Is the resistance below 5.0 ohms?All
Ye s®Go To 5
No®Repair the Memory Select Switch Return circuit for an open.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
5 If there are no possible causes remaining, view repair. All
Repair
Replace the Body Control Module.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
677
MEMORY SEAT
MEMORY SWITCH INPUT OPEN ÐContinued

Symptom:
MEMORY SWITCH INPUT SHORT
When Monitored and Set Condition:
MEMORY SWITCH INPUT SHORT
When Monitored: Anytime the Body Control Module is awake.
Set Condition: If the Memory Set switch voltage is less than 1.35 volts for over 10
seconds.
POSSIBLE CAUSES
DTC PRESENT
MEMORY SET SWITCH SHORTED
MEMORY SELECT SWITCH MUX SHORTED
BODY CONTROL MODULE
TEST ACTION APPLICABILITY
1 With the DRBIIIt, record and erase DTC's.
Cycle the ignition OFF then back ON.
With the DRBIIIt, read DTCs.
Operate the Memory Set switch several times while monitoring the DRBIII.
Does the DRBIIItdisplay MEMORY SWITCH INPUT SHORT?All
Ye s®Go To 2
No®Using the wiring diagram/schematic as a guide, inspect the
wiring and connectors for an intermittent condition.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
2 Disconnect the Memory Set Switch connector
Turn the ignition on.
With the DRBIIItin Sensors, read the Memory Select SW Volts.
Is the voltage above 4.8 volts?All
Ye s®Replace the Memory Set Switch.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
No®Go To 3
3 Turn the ignition off.
Disconnect the Memory Set switch connector.
Disconnect the BCM C1 harness connector.
Measure the resistance between ground and the Memory Select Switch MUX circuit.
Is the resistance above 5.0 ohms?All
Ye s®Go To 4
No®Repair the Memory Select Switch MUX circuit for a short to
ground.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
678
MEMORY SEAT

TEST ACTION APPLICABILITY
4 If there are no possible causes remaining, view repair. All
Repair
Replace the Body Control Module.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
679
MEMORY SEAT
MEMORY SWITCH INPUT SHORT ÐContinued

Symptom:
REAR RISER DOWN POSITION STUCK
When Monitored and Set Condition:
REAR RISER DOWN POSITION STUCK
When Monitored: Continuously when the PCI bus is active.
Set Condition: If the seat switch is active for 30 seconds, this code will set and the
Memory Seat Mirror Module will ignore the input until the state has changed. Three
seconds after the stuck condition is removed, the seat will resume to normal operation.
Code will remain for 50 ignition cycles.
POSSIBLE CAUSES
STORED DIAGNOSTIC TROUBLE CODE
DRIVER POWER SEAT SWITCH
SEAT REAR DOWN SWITCH SENSE WIRE SHORT TO VOLTAGE
MEMORY SEAT MIRROR MODULE
TEST ACTION APPLICABILITY
1 With the DRBIIIt, erase the DTC from Memory Seat Mirror Module.
Operate the driver's power seat and memory system.
Turn the ignition switch to the Off position then start the engine and let run for one
minute.
With the DRB check for the same DTC to reset in the MSMM.
Did the same DTC reset?All
Ye s®Go To 2
No®Using the wiring diagram/schematic as a guide, inspect the
wiring and connectors for an intermittent condition.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
2 Disconnect the Power Seat Switch connector.
Measure the voltage of the Seat Rear Down Switch Sense circuit.
Is there any voltage present?All
Ye s®Go To 3
No®Replace the Power Seat Switch.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
3 Disconnect the Power Seat Switch connector.
Disconnect the Memory Seat Mirror Module C1 connector.
Turn the ignition on.
Measure the voltage of the Seat Rear Down Switch Sense circuit to ground..
Is there any voltage present?All
Ye s®Repair the Seat Rear Down Switch Sense wire for a short to
voltage.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
No®Go To 4
680
MEMORY SEAT

TEST ACTION APPLICABILITY
4 If there are no possible causes remaining, view repair. All
Repair
Replace the Memory Seat Mirror Module.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
681
MEMORY SEAT
REAR RISER DOWN POSITION STUCK ÐContinued