Chrysler Concorde 2004 Service Manual page 214

ELECTRICALLY HEATED SYSTEMS
DRIVER THERMISTOR OUT OF RANGE LOW —
TEST
3 NOTE: Raise the seat to the highest position to gain access to the connectors. The
MHSMM is located at the front of the seat and the Seat Heater connectors are at the
rear of the seat.
Disconnect the Driver Heated Seat Cushion 4-way connector.
Turn ignition off.
Measure the resistance of the Driver Seat Temp Sensor Input in heated seat cushion
connector to body ground.
Is the resistance below 1000.0 ohms, should be infinite?
Yes → Replace the Driver Seat Cushion.
→ Go To 4
No
4 NOTE: Raise the seat to the highest position to gain access to the connectors. The
MHSMM is located at the front of the seat and the Seat Heater connectors are at the
rear of the seat.
Disconnect the Driver Heated Seat Cushion 4-way connector.
Disconnect the Memory Heated Seat Mirror Module C1 connector.
Turn ignition off.
Measure the resistance of the Driver Seat Temperature Sensor Input circuit to
ground.
Is the resistance below 1000.0 ohms?
Yes → Repair the Driver Seat Temperature Sensor Input circuit for a
→ Go To 5
No
5 NOTE: Raise the seat to the highest position to gain access to the connectors. The
MHSMM is located at the front of the seat and the Seat Heater connectors are at the
rear of the seat.
Disconnect the Driver Heated Seat Cushion 4-way connector.
Turn ignition off.
Measure the resistance between the Driver Seat Temperature 5 Volt Supply circuit
and the Driver Seat Temperature Sensor Input circuit in the heated seat cushion
connector, cushion side.
Is the resistance below 70000 (70K) ohms?
Yes → Go To 6
→ Replace the Driver Seat Cushion.
No
6 If there are no possible causes remaining, view repair.
Repair
ACTION
Perform MEMORY HEATED SYSTEM VERIFICATION TEST -
VER 1.
short to ground.
Perform MEMORY HEATED SYSTEM VERIFICATION TEST -
VER 1.
Perform MEMORY HEATED SYSTEM VERIFICATION TEST -
VER 1.
Replace the Memory Heated Seat Mirror Module.
Perform MEMORY HEATED SYSTEM VERIFICATION TEST -
VER 1.
Continued
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APPLICABILITY
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