TEST
ACTION
APPLICABILITY
3
NOTE: Raise the seat to the highest position to gain access to the connec-
tors. The HSM is located at the front of the seat and the Seat Heater
connectors are at the rear of the seat.
Turn the ignition off.
Disconnect the Heated Seat Module C1 harness connector.
Disconnect the Passenger Heated Seat Cushion 4-way connector.
Turn the ignition on.
Measure the voltage between the Passenger Seat Temperature Sensor Input circuit
and ground.
Is there ANY voltage on the Passenger Seat Temperature Sensor Input circuit?
All
Yes
→
Repair the Passenger Seat Temperature Sensor Input circuit for a
short to voltage.
Perform VERIFICATION TEST -MEMORY SYSTEM.
No
→
Go To
4
4
NOTE: Raise the seat to the highest position to gain access to the connec-
tors. The HSM is located at the front of the seat and the Seat Heater
connectors are at the rear of the seat.
Turn the ignition off.
Disconnect the Heated Seat Module C1 connector.
Disconnect the Passenger Heated Seat Cushion 4-way (green) connector.
Measure the resistance of the Seat Sensor 5 Volt Supply circuit to ground.
Is the resistance below 1000.0 ohms?
All
Yes
→
Repair the open Seat Sensor 5-Volt Supply circuit.
Perform VERIFICATION TEST -MEMORY SYSTEM.
No
→
Replace the Heated Seat Module.
Perform VERIFICATION TEST -MEMORY SYSTEM.
215
ELECTRICALLY HEATED SYSTEMS
PASSENGER THERMISTOR OUT OF RANGE HIGH —
Continued