TEST
ACTION
APPLICABILITY
3
Turn ignition off.
Disconnect the Seat Module C1 connector.
Disconnect the Driver Power Seat Front Riser Sensor connector.
Measure the resistance of the Front Riser Position Signal circuit to ground.
Is the resistance below 1000 (1 K) ohms?
All
Yes
→
Repair the Front Riser Position Signal Circuit for a short to
ground.
Perform VERIFICATION TEST -MEMORY SYSTEM.
No
→
Go To
4
4
Turn ignition off.
Disconnect the Driver Power Seat Front Riser Sensor connector.
Disconnect the Seat Module C1 connector.
Measure the resistance of the Front Riser Position Signal circuit between the Sensor
connector and the Seat Module C1 connector.
Is the resistance below 5.0 ohms?
All
Yes
→
Go To
5
No
→
Repair the open Front Riser Position Signal circuit.
Perform VERIFICATION TEST -MEMORY SYSTEM.
5
If there are no possible causes remaining, view repair.
All
Repair
Replace the Memory Seat Module.
Perform VERIFICATION TEST -MEMORY SYSTEM.
6
Turn ignition off.
Disconnect the Seat Module C1 connector.
Measure the resistance of the Seat Sensor 5 Volt Supply circuit to body ground.
Is the resistance below 1000 (1 K) ohms?
All
Yes
→
Repair the Seat Sensor 5 Volt Supply for a short to ground.
Perform VERIFICATION TEST -MEMORY SYSTEM.
No
→
Go To
7
7
Turn ignition off.
Disconnect the Seat Module C1 connector.
Disconnect the Driver Power Seat Front Riser Sensor connector.
Measure the resistance of the Seat Sensor 5 Volt Supply circuit between the Front
Riser Sensor connector and the Seat Module C1 connector.
Is the resistance below 5.0 ohms?
All
Yes
→
Go To
8
No
→
Repair the open Seat Sensor 5 Volt Supply circuit.
Perform VERIFICATION TEST -MEMORY SYSTEM.
8
If there are no possible causes remaining, view repair.
All
Repair
Replace the Memory Seat Module.
Perform VERIFICATION TEST -MEMORY SYSTEM.
427
MEMORY SEAT
FRONT RISER SENSOR OUT OF RANGE LOW —
Continued