Rear Riser Sensor Out Of Range High - Chrysler Town and Country 2003 Owner's Manual

Symptom:

REAR RISER SENSOR OUT OF RANGE HIGH

When Monitored and Set Condition:
REAR RISER SENSOR OUT OF RANGE HIGH
When Monitored: Continuously when the PCI bus is active.
Set Condition: This condition is immediately set when the seat motor potentiometer
feeds a value higher than the Memory Seat Mirror Module has stored in EEPROM. Code
will remain for 50 ignition cycles.
MEMORY SEAT MIRROR MODULE SENSOR GROUND OPEN
SEAT SENSOR GROUND WIRE OPEN
5 VOLT SUPPLY SHORTED HIGH
CHECK VOLTAGE ON REAR RISER POSITION SIGNAL CIRCUIT
REAR RISER SENSOR HIGH
CHECK REAR RISER SHORT TO MOTOR
MEMORY SEAT MIRROR MODULE REAR RISER HIGH
STORED DIAGNOSTIC TROUBLE CODE
TEST
1 With the DRBIII , 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?
Yes → Go To 2
→ Using the wiring diagram/schematic as a guide, inspect the
No
2 Turn ignition off.
Disconnect the Driver Power Seat Rear Riser Position Sensor connector.
Measure the resistance of the Seat Position Sensor Ground circuit at the driver
power seat rear riser connector.
Is the resistance below 5.0 ohms?
Yes → Go To 3
→ Go To 8
No
POSSIBLE CAUSES
ACTION
wiring and connectors for an intermittent condition.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
709
MEMORY SEAT
APPLICABILITY
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