Symptom:
*DRIVER SEAT HORIZONTAL MOVEMENT INOPERATIVE
POSSIBLE CAUSES
SEAT HORIZONTAL FORWARD DRIVER WIRE OPEN
SEAT HORIZONTAL FORWARD SWITCH SENSE WIRE OPEN
SEAT HORIZONTAL REARWARD DRIVER WIRE OPEN
SEAT HORIZONTAL REARWARD SWITCH SENSE WIRE OPEN
DRIVER HORIZONTAL MOTOR INOPERATIVE
DRIVER POWER SEAT SWITCH
MSM HORIZONTAL MOTOR OUTPUT OPEN
MSM HORIZONTAL SWITCH INPUT OPEN
TEST
ACTION
APPLICABILITY
1
Using the DRB III select: Body Memory Seat Module Actuators
Actuate the Horizontal Motor Forward and then Rearward.
Did the Horizontal Motor operate in both directions?
All
Yes
→
Go To
2
No
→
Go To
6
2
Turn ignition off.
Refer to service information for seat removal to gain access to the connectors.
Disconnect the Seat Module C1 connector.
Disconnect the Driver Power Seat Switch connector.
Measure the resistance of the Seat Horizontal Forward Switch Sense circuit between
the Seat Module connector and the Seat Switch connector.
Is the resistance below 5.0 ohms?
All
Yes
→
Go To
3
No
→
Repair the open Seat Horizontal Forward Switch Sense wire.
Perform VERIFICATION TEST -MEMORY SYSTEM.
3
Turn ignition off.
Refer to service information for seat removal to gain access to the connectors.
Disconnect the Seat Module C1 connector.
Disconnect the Driver Power Seat Switch connector.
Measure the resistance of the Seat Horizontal Rearward Switch Sense circuit
between the Seat Module connector and the Seat Switch connector.
Is the resistance below 5.0 ohms?
All
Yes
→
Go To
4
No
→
Repair the open Seat Horizontal Rearward Switch Sense wire.
Perform VERIFICATION TEST -MEMORY SYSTEM.
443
MEMORY SEAT