Chrysler RG Voyager. Manual — part 219
TEST
ACTION
APPLICABILITY
3
Disconnect the Power Seat Switch connector.
Disconnect the Memory Seat/Mirror/Adjustable Pedals Module C2 connector.
Turn the ignition on.
Measure the voltage of the Driver Seat Rear Down Switch Sense circuit to ground..
Is there any voltage present?
All
Yes
→ Repair the Driver Seat Rear Down Switch Sense wire for a short
to voltage.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
No
→ Go To 4
4
If there are no possible causes remaining, view repair.
All
Repair
Replace the Memory Seat/Mirror/Adjustable Pedals Module.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
845
MEMORY SEAT
DRIVER REAR RISER DOWN SWITCH STUCK —
Continued
Symptom:
DRIVER REAR RISER SENSOR OUT OF RANGE HIGH
When Monitored and Set Condition:
DRIVER 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/Adjustable Pedals Module has stored in
EEPROM. Code will remain for 50 ignition cycles.
POSSIBLE CAUSES
MEMORY SEAT/MIRROR/ADJUSTABLE PEDALS 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
SEAT 5 VOLT SUPPLY WIRE SHORTED TO REAR RISER POSITION SIGNAL CIRCUIT
MEMORY SEAT/MIRROR/ADJUSTABLE PEDALS MODULE REAR RISER HIGH
STORED DIAGNOSTIC TROUBLE CODE
TEST
ACTION
APPLICABILITY
1
With the DRBIII
t, erase the DTC from Memory Seat/Mirror/Adjustable Pedals
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 DRBIII
t check for the same DTC to reset in the MSMAPM.
Did the same DTC reset?
All
Yes
→ 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
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?
All
Yes
→ Go To 3
No
→ Go To 9
846
MEMORY SEAT
TEST
ACTION
APPLICABILITY
3
Disconnect the Rear Riser Position Sensor connector.
Measure the voltage between Seat Sensor 5 volt supply circuit and ground.
Turn ignition on.
Is the voltage above 5.5 volts?
All
Yes
→ Repair the Seat Sensor 5 Volt Supply circuit for a short to battery.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
No
→ Go To 4
4
Turn ignition off.
Disconnect the Driver Power Seat Rear Riser Position Sensor Connector.
Disconnect the Memory Seat/Mirror/Adjustable Pedals Module C2 Connector.
Turn ignition on.
Measure the voltage between Rear Riser Position Signal circuit and ground.
Is the voltage above 0.2 volts?
All
Yes
→ Repair the Rear Riser Position Signal circuit for a short to
voltage.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
No
→ Go To 5
5
Turn ignition off.
Disconnect the Driver Power Seat Rear Riser Position Sensor Connector.
Ensure the Memory Seat/Mirror/Adjustable Pedals Mirror Module is fully connected
before proceeding.
Turn ignition on.
With the DRBIII
t in Sensors read the Rear Riser Position Sensor voltage.
Is the voltage above 0.2 volts?
All
Yes
→ Go To 6
No
→ Replace the Seat Track Assembly.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
6
Ensure all seat and sensor connectors are connected and rear riser motor is
operational.
With the DRBIII
t in Sensors monitor the Rear Riser Position sensor while operating
the seat rear riser to both limits.
Did the voltage ever go above 7.0 volts only when the motor was in operation?
All
Yes
→ Replace the Seat Track Assembly.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
No
→ Go To 7
7
Turn ignition off.
Disconnect the Memory Seat/Mirror/Adjustable Pedals Module C2 connector.
Disconnect the Driver Power Seat Rear Riser Sensor connector.
Measure the resistance between the Seat Sensor 5 volt supply to the Rear Riser
Position Signal circuit.
Is the resistance below 100.0 ohms?
All
Yes
→ Repair the Seat 5 Volt Supply circuit for a short to the Rear Riser
Position Signal circuit.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
No
→ Go To 8
847
MEMORY SEAT
DRIVER REAR RISER SENSOR OUT OF RANGE HIGH —
Continued
TEST
ACTION
APPLICABILITY
8
If there are no possible causes remaining, view repair.
All
Repair
Replace the Memory Seat/Mirror/Adjustable Pedals Module.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
9
Turn ignition off.
Disconnect the Memory Seat/Mirror/Adjustable Pedals Module C2 connector.
Disconnect the Driver Power Seat Rear Riser Position Sensor connector.
Measure the resistance of the Seat Position Sensor Ground wire between the Rear
Riser Sensor connector and the C2 connector.
Is the resistance below 5.0 ohms?
All
Yes
→ Replace the Memory Seat/Mirror/Adjustable Pedals Module.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
No
→ Repair the open Seat Sensor Ground wire.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
848
MEMORY SEAT
DRIVER REAR RISER SENSOR OUT OF RANGE HIGH —
Continued
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