sensor CHRYSLER VOYAGER 2001 Service Manual

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
Ye s®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 Module C1 Connector.
Turn ignition on.
Measure the voltage between Rear Riser Position Signal circuit and ground.
Is the voltage above 0.2 volts?All
Ye s®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 Module is fully connected before proceeding.
Turn ignition on.
With the DRBIIItin Body Memory Seat Sensors
Read the Rear Riser Position Sensor voltage.
Is the voltage above 0.2 volts?All
Ye s®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 DRBIIItin Body Memory Seat 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
Ye s®Replace the Seat Track Assembly.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
No®Go To 7
7 If there are no possible causes remaining, view repair. All
Repair
Replace the Memory Seat Mirror Module.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
683
MEMORY SEAT
REAR RISER SENSOR OUT OF RANGE HIGH ÐContinued

TEST ACTION APPLICABILITY
8 Turn ignition off.
Disconnect the Memory Seat Mirror 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
Ye s®Replace the Memory Seat Mirror Module.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
No®Repair the open Seat Sensor Ground wire.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
684
MEMORY SEAT
REAR RISER SENSOR OUT OF RANGE HIGH ÐContinued

Symptom:
REAR RISER SENSOR OUT OF RANGE LOW
When Monitored and Set Condition:
REAR RISER SENSOR OUT OF RANGE LOW
When Monitored: Continuously when the PCI bus is active.
Set Condition: This condition is immediately set when the seat motor potentiometer
feeds a value lower than the Memory Seat Mirror Module has stored in EEPROM. Code
will remain for 50 ignition cycles.
POSSIBLE CAUSES
MEMORY SEAT MIRROR MODULE 5 VOLT SUPPLY
SEAT 5 VOLT SUPPLY WIRE SHORT TO GROUND
SEAT SENSOR 5 VOLT SUPPLY WIRE OPEN
REAR RISER POSITION SIGNAL CIRCUIT OPEN
REAR RISER POSITION SIGNAL CIRCUIT SHORT TO GROUND
REAR RISER SENSOR LOW
MEMORY SEAT MIRROR MODULE REAR RISER LOW
STORED DIAGNOSTIC TROUBLE CODE
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 Ensure the Memory Seat Mirror Module is fully connected before proceeding.
Disconnect the Driver Power Seat Rear Riser Sensor connector.
Turn ignition on.
Measure the voltage of the Seat Sensor 5 Volt Supply circuit at rear riser connector.
Is the voltage above 4.5 volts?All
Ye s®Go To 3
No®Go To 7
685
MEMORY SEAT

TEST ACTION APPLICABILITY
3 Turn ignition off.
Disconnect the Driver Power Seat Rear Riser Position Sensor Connector.
Disconnect the Memory Seat Mirror Module C1 Connector.
Measure the resistance of the Rear Riser Position Signal circuit between the rear
riser sensor and the Memory Seat Mirror Module connector.
Is the resistance below 5.0 ohms?All
Ye s®Go To 4
No®Repair the Rear Riser Position Signal circuit for an open.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
4 Turn ignition off.
Disconnect the Memory Seat Mirror Module C1 connector.
Disconnect the Driver Power Seat Rear Riser Position Sensor connector.
Measure the resistance of the Rear Riser Position Signal circuit to ground.
Is the resistance below 1000 ohms?All
Ye s®Repair the Rear Riser Position Signal circuit a short to ground.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
No®Go To 5
5 Turn ignition off.
Ensure the Memory Seat Mirror Module is fully connected before proceeding.
Disconnect the Driver Power Seat Rear Riser Position Sensor Connector.
Connect a jumper wire between Seat Sensor 5 volt Supply and Rear Riser Position
Signal circuits.
Turn ignition on.
With the DRBIIItselect Body Memory Seat Sensors.
Read the Rear Riser Position Sensor voltage.
Is the voltage above 4.5 volts?All
Ye s®Replace the Seat Track Assembly.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
No®Go To 6
6 If there are no possible causes remaining, view repair. All
Repair
Replace the Memory Seat Mirror Module.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
7 Turn ignition off.
Disconnect the Memory Seat Mirror Module C2 connector.
Measure the resistance of the Seat Sensor 5 volt supply circuit to body ground.
Is the resistance below 100.0 ohms?All
Ye s®Repair the Seat 5 Volt Supply circuit for a short to ground.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
No®Go To 8
686
MEMORY SEAT
REAR RISER SENSOR OUT OF RANGE LOW ÐContinued

TEST ACTION APPLICABILITY
8 Turn ignition off.
Disconnect the Memory Seat Mirror Module C2 connector.
Disconnect the Driver Power Seat Rear Riser Position Sensor connector.
Measure the resistance of the Seat Sensor 5 Volt Supply wire between the Rear Riser
Sensor connector and the C2 connector.
Is the resistance below 5.0 ohms?All
Ye s®Go To 9
No®Repair the Seat Sensor 5 Volt Supply circuit for an open.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
9 If there are no possible cause remaining, view repair. All
Repair
Replace the Memory Seat Mirror Module.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
687
MEMORY SEAT
REAR RISER SENSOR OUT OF RANGE LOW ÐContinued

Symptom:
RECLINER SENSOR OUT OF RANGE HIGH
When Monitored and Set Condition:
RECLINER 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.
POSSIBLE CAUSES
MEMORY SEAT MIRROR MODULE SENSOR GROUND OPEN
SEAT SENSOR GROUND WIRE OPEN
5 VOLT SUPPLY SHORTED HIGH
CHECK VOLTAGE ON RECLINER POSITION SIGNAL CIRCUIT
RECLINER SENSOR HIGH
CHECK RECLINER SENSOR SHORT TO MOTOR
MEMORY SEAT MIRROR MODULE RECLINER SENSOR HIGH
STORED DIAGNOSTIC TROUBLE CODE
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 Turn ignition off.
Disconnect the Driver Power Seat Recliner Position Sensor connector.
Measure the resistance of the Seat Position Sensor Ground circuit at the driver
power seat Recliner connector to ground.
Is the resistance below 5.0 ohms?All
Ye s®Go To 3
No®Go To 8
692
MEMORY SEAT

TEST ACTION APPLICABILITY
3 Disconnect the Driver Power Seat Recliner 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
Ye s®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 Recliner Position Sensor Connector.
Disconnect the Memory Seat Mirror Module C1 Connector.
Turn ignition on.
Measure the voltage between Recliner Position Signal circuit and ground.
Is the voltage above 0.2 volts?All
Ye s®Repair the Recliner 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 Recliner Position Sensor Connector.
Ensure the Memory Seat Mirror Module is fully connected before proceeding.
Turn ignition on.
With the DRBIIItin Body Memory Seat Sensors
Read the Recliner Position Sensor voltage.
Is the voltage above 0.2 volts?All
Ye s®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 Recliner motor is opera-
tional.
With the DRBIIItin Body Memory Seat Sensors monitor the Recliner Position sensor
while operating the seat Recliner motor to both limits.
Did the voltage ever go above 7.0 volts only when the motor was in operation?All
Ye s®Replace the Seat Track Assembly.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
No®Go To 7
7 If there are no possible causes remaining, view repair. All
Repair
Replace the Memory Seat Mirror Module.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
693
MEMORY SEAT
RECLINER SENSOR OUT OF RANGE HIGH ÐContinued

TEST ACTION APPLICABILITY
8 Turn ignition off.
Disconnect the Memory Seat Mirror Module C2 connector.
Disconnect the Driver Power Seat Recliner Position Sensor connector.
Measure the resistance of the Seat Position Sensor Ground wire between the Recliner
Sensor connector and the C2 connector.
Is the resistance below 5.0 ohms?All
Ye s®Replace the Memory Seat Mirror Module.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
No®Repair the open Seat Sensor Ground wire.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
694
MEMORY SEAT
RECLINER SENSOR OUT OF RANGE HIGH ÐContinued

Symptom:
RECLINER SENSOR OUT OF RANGE LOW
When Monitored and Set Condition:
RECLINER SENSOR OUT OF RANGE LOW
When Monitored: Continuously when the PCI bus is active.
Set Condition: This condition is immediately set when the seat motor potentiometer
feeds a value lower than the Memory Seat Mirror Module has stored in EEPROM. Code
will remain for 50 ignition cycles.
POSSIBLE CAUSES
SEAT 5 VOLT SUPPLY WIRE SHORT TO GROUND
SEAT SENSOR 5 VOLT SUPPLY WIRE OPEN
RECLINER POSITION SIGNAL CIRCUIT OPEN
RECLINER POSITION SIGNAL CIRCUIT SHORT TO GROUND
MEMORY SEAT MIRROR MODULE 5 VOLT SUPPLY
RECLINER SENSOR LOW
MEMORY SEAT MIRROR MODULE RECLINER LOW
STORED DIAGNOSTIC TROUBLE CODE
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 Ensure the Memory Seat Mirror Module is fully connected before proceeding.
Disconnect the Driver Power Seat Recliner Position Sensor connector.
Turn ignition on.
Measure the voltage of the Seat Sensor 5 Volt Supply circuit at Recliner sensor
connector.
Is the voltage above 4.5 volts?All
Ye s®Go To 3
No®Go To 7
695
MEMORY SEAT

TEST ACTION APPLICABILITY
3 Turn ignition off.
Disconnect the Driver Power Seat Recliner Position Sensor Connector.
Disconnect the Memory Seat Mirror Module C1 Connector.
Measure the resistance of the Recliner Position Signal circuit between the Recliner
sensor and the Memory Seat Mirror Module connector.
Is the resistance below 5.0 ohms?All
Ye s®Go To 4
No®Repair the Recliner Position Signal circuit for an open.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
4 Turn ignition off.
Disconnect the Memory Seat Mirror Module C1 connector.
Disconnect the Driver Power Seat Recliner Position Sensor connector.
Measure the resistance of the Recliner Position Signal circuit to ground.
Is the resistance below 1000 ohms?All
Ye s®Repair the Recliner Position Signal circuit a short to ground.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
No®Go To 5
5 Turn ignition off.
Ensure the Memory Seat Mirror Module is fully connected before proceeding.
Disconnect the Driver Power Seat Recliner Position Sensor Connector.
Connect a jumper wire between Seat Sensor 5 volt Supply and Recliner Position
Signal circuits.
Turn ignition on.
With the DRBIIItselect Body Memory Seat Sensors.
Read the Recliner Position Sensor voltage.
Is the voltage above 4.5 volts?All
Ye s®Replace the Seat Track Assembly.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
No®Go To 6
6 If there are no possible causes remaining, view repair. All
Repair
Replace the Memory Seat Mirror Module.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
7 Turn ignition off.
Disconnect the Memory Seat Mirror Module C2 connector.
Measure the resistance of the Seat Sensor 5 volt supply circuit to body ground.
Is the resistance below 100.0 ohms?All
Ye s®Repair the Seat 5 Volt Supply circuit for a short to ground.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
No®Go To 8
696
MEMORY SEAT
RECLINER SENSOR OUT OF RANGE LOW ÐContinued