TEST
ACTION
APPLICABILITY
3
Turn the ignition off.
Disconnect the Driver Power Seat Switch connector.
Disconnect the Driver Door Module C2 connector.
Inspect the Driver Seat Horizontal/Lumbar In Switch MUX circuit for a partial short
to ground or to another circuit in the seat switch harness.
Were there any problems found?
All
Yes
→ Repair the Driver Seat Horizontal/Lumbar In Switch MUX circuit
as necessary.
Perform POWER SEAT SYSTEM VERIFICATION TEST - VER
1.
No
→ Go To 4
4
Turn the ignition off.
Disconnect the Driver Power Seat Switch connector.
Disconnect the Driver Door Module C2 connector.
Inspect the Driver Seat Recliner/Lumbar Out Switch MUX circuit for a partial short
to ground or to another circuit in the seat switch harness.
Were there any problems found?
All
Yes
→ Repair the Driver Seat Recliner/Lumbar Out Switch MUX circuit
as necessary.
Perform POWER SEAT SYSTEM VERIFICATION TEST - VER
1.
No
→ Replace the Driver Door Module.
Perform BODY VERIFICATION TEST - VER 1.
989
POWER SEATS
LUMBAR SWITCH STUCK - DDM —
Continued