Memory Switch Input Open - Chrysler Town and Country 2003 Owner's Manual

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.
DTC PRESENT
MEMORY SET SWITCH OPEN
MEMORY SELECT SWITCH MUX OPEN
MEMORY SELECT SWITCH RETURN OPEN
BODY CONTROL MODULE
TEST
1 With the DRBIII , record and erase DTC's.
Cycle the ignition OFF then back ON.
With the DRBIII , read DTCs.
Operate the Memory Set switch several times while monitoring the DRBIII.
Does the DRBIII display MEMORY SWITCH INPUT OPEN?
Yes → Go To 2
→ Using the wiring diagram/schematic as a guide, inspect the
No
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 DRBIII in Sensors, read the Memory Select SW Volts.
Is the voltage below 1.0 volt?
Yes → Replace the Memory Set Switch.
→ Go To 3
No
POSSIBLE CAUSES
ACTION
wiring and connectors for an intermittent condition.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
703
MEMORY SEAT
APPLICABILITY
All
All