Chrysler Concorde 2004 Service Manual page 208

ELECTRICALLY HEATED SYSTEMS
DRIVER SEAT HEAT OUTPUT OPEN —
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 Back 2-way connector.
Disconnect the Driver Heated Seat Cushion 4-way connector.
Measure the resistance of the Heated Seat Driver circuit between the Driver Heated
Seat Back harness side connector and the Driver Heated Seat Cushion 4-way harness
side connector.
Is the resistance below 5.0 ohms?
Yes → Go To 4
→ Repair the open Heated Seat Driver circuit.
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 Back 2-way connector.
Measure the resistance of the Ground circuit in the Driver Heated Seat Back
connector (harness side) to body ground.
Is the resistance below 5.0 ohms?
Yes → Go To 5
→ Repair the open ground circuit.
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.
Measure the resistance of the seat cushion heater by connecting one lead to the
Heated Seat Driver terminal and the other to the Seat Heater B+ Driver terminal in
the Heated Seat Cushion 4 way Cushion Side connector.
Is the resistance below 2.5 ohms?
Yes → Go To 6
→ Replace the Driver Heated Seat Cushion.
No
6 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 Back 2-way connector.
Measure the resistance of the SEAT BACK HEATER ELEMENT by connecting one
lead to the Heated Seat Driver terminal and the other to the Ground terminal in the
Heated Seat Back Seat Back Side connector.
Is the resistance below 2.5 ohms?
Yes → Test Complete.
→ Replace the Driver Heated Seat Back.
No
ACTION
Perform MEMORY HEATED SYSTEM VERIFICATION TEST -
VER 1.
Perform MEMORY HEATED SYSTEM VERIFICATION TEST -
VER 1.
Perform MEMORY HEATED SYSTEM VERIFICATION TEST -
VER 1.
Perform MEMORY HEATED SYSTEM VERIFICATION TEST -
VER 1.
Continued
192
APPLICABILITY
All
All
All
All