Chrysler Town, Dodge Caravan. Manual — part 864
TEST
ACTION
APPLICABILITY
8
Turn ignition off.
Disconnect the Memory Seat Mirror Module C2 connector.
Disconnect the Driver Power Seat Horizontal Position Sensor connector.
Measure the resistance of the Seat Sensor 5 Volt Supply wire between the Horizontal
Sensor connector and the C2 connector.
Is the resistance below 5.0 ohms?
All
Yes
→ 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.
692
MEMORY SEAT
HORIZONTAL SENSOR OUT OF RANGE LOW —
Continued
Symptom:
LEFT MIRROR HORIZONTAL SENSOR OUT OF RANGE HIGH
When Monitored and Set Condition:
LEFT MIRROR HORIZONTAL SENSOR OUT OF RANGE HIGH
When Monitored:
Continuously when the PCI bus is active
Set Condition:
This code is set when the mirror sensor feedback to the Memory Seat
Mirror Module is greater than the mirror out of range high value stored in EEPROM. Code
will remain for 50 ignition cycles.
POSSIBLE CAUSES
LEFT MIRROR HORIZONTAL POSITION WIRE SHORTED TO VOLTAGE
LEFT MIRROR SENSOR GROUND WIRE OPEN
STORED DIAGNOSTIC TROUBLE CODE
LEFT MIRROR HORIZONTAL POSITION SIGNAL OPEN
LEFT POWER MIRROR
MEMORY SEAT MIRROR MODULE HORIZONTAL POSITION SIGNAL
MEMORY SEAT MIRROR MODULE SENSOR GROUND
TEST
ACTION
APPLICABILITY
1
With the DRBIII
t, 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
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 the ignition off.
Disconnect the Left Power Mirror connector.
Turn the ignition on.
Measure the voltage of the Left Mirror Horizontal Position Signal circuit in the Left
Power Mirror harness connector.
Is the voltage between 4.5 and 5.5 volts?
All
Yes
→ Go To 3
No
→ Go To 6
693
MEMORY SEAT
TEST
ACTION
APPLICABILITY
3
Turn the ignition off.
Disconnect the Left Power Mirror connector.
Measure the resistance of the Left Mirror Sensor Ground circuit in the harness
connector to ground.
Is the resistance below 5.0 ohms?
All
Yes
→ Go To 4
No
→ Go To 5
4
If there are no possible causes remaining, view repair.
All
Repair
Replace the Left Power Mirror.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
5
Turn the ignition off.
Disconnect the Left Power Mirror connector.
Disconnect the Memory Seat Mirror Module C1 connector.
Measure the resistance of Left Mirror Sensor Ground circuit between the Memory
Seat Mirror Module connector and the Left Power Mirror connector.
Is the resistance below 5.0 ohms?
All
Yes
→ Replace the Memory Seat Mirror Module.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
No
→ Repair the open Sensor Ground circuit.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
6
Turn the ignition off.
Disconnect the Left Power Mirror connector.
Disconnect the Memory Seat Mirror Module C1 connector.
Turn the ignition on.
Measure the voltage of Left Mirror Horizontal Position Signal circuit.
Is there any voltage present?
All
Yes
→ Repair the Left Mirror Horizontal Position Signal circuit for a
short to voltage.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
No
→ Go To 7
7
Turn the ignition off.
Disconnect the Memory Seat Mirror Module C1 connector.
Disconnect the Left Power Mirror connector.
Measure the resistance of the Left Mirror Horizontal Position Signal circuit from the
Left Power Mirror connector to the Memory Seat Mirror Module connector.
Is the resistance below 5.0 ohms?
All
Yes
→ Replace the Memory Seat Mirror Module.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
No
→ Repair the open Left Mirror Horizontal Position Signal wire.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
694
MEMORY SEAT
LEFT MIRROR HORIZONTAL SENSOR OUT OF RANGE HIGH —
Continued
Symptom:
LEFT MIRROR HORIZONTAL SENSOR OUT OF RANGE LOW
When Monitored and Set Condition:
LEFT MIRROR HORIZONTAL SENSOR OUT OF RANGE LOW
When Monitored:
Continuously when the PCI bus is active.
Set Condition:
This code is set when the mirror sensor feedback to the MSMM is less than
the mirror out of range low value stored in EEPROM. Code will remain for 50 ignition
cycles.
POSSIBLE CAUSES
MSMM HORIZONTAL POSITION LOW
STORED DIAGNOSTIC TROUBLE CODE
LEFT MIRROR HORIZONTAL POSITION SIGNAL WIRE SHORT TO GROUND
LEFT POWER MIRROR
TEST
ACTION
APPLICABILITY
1
With the DRBIII
t, 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
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 the ignition off.
Disconnect the Left Power Mirror connector.
Turn the ignition on.
Measure the voltage of the Left Mirror Horizontal Position Signal circuit in the Left
Power Mirror harness connector.
Is the voltage between 4.5 and 5.5 volts?
All
Yes
→ Replace the Left Power Mirror.
Perform MEMORY SYSTEM VERIFICATION TEST - VER 1.
No
→ Go To 3
695
MEMORY SEAT
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