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Power Seat Inoperative

WARNING: This page is about a different car, the 2004 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
Power Seat Inoperative

Step Action Yes No
Schematic Reference: Driver Seat Schematics  or Passenger Seat Schematics 
Connector End View Reference: Power Seat Systems Connector End Views 
DEFINITION: One or more of the power seat functions are inoperative.
1 Did you review the Power Seat System Description and Operation and perform the necessary inspections? Go to Step 2  Go to Symptoms - Seats 
2 Verify that the Power Seat Inoperative complaint is present, by attempting to operate all of the power seat motors through their full range of adjustment.
Does the power seat system operate as described in the system description and operation?
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems Go to Step 3 
3 Are all of the power seat motors inoperative? Go to Step 4  Go to Step 6 
4
  1. Disconnect the seat adjuster switch.
  2. Connect a test lamp from the battery positive voltage circuit of the switch connector to a good ground.
Does the test lamp illuminate?
Go to Step 5  Go to Step 10 
5 Connect a test lamp from the battery positive voltage circuit of the switch connector to the ground circuit of the switch connector.
Does the test lamp illuminate?
Go to Step 9  Go to Step 11 
6
  1. Disconnect the inoperative seat motor.
  2. Connect a test lamp between the motor control circuits of the harness connector.
  3. Operate the appropriate seat switch in both directions.
Does the test lamp illuminate in both directions?
Go to Step 8  Go to Step 7 
7 Test the motor control circuits for a short to ground or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 14  Go to Step 9 
8 Inspect for poor connections at the harness connector of the inoperative seat motor. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 14  Go to Step 13 
9 Inspect for poor connections at the harness connector of the seat adjuster switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 14  Go to Step 12 
10 Repair the short to ground or open in the battery positive voltage circuit of the seat adjuster switch. Refer to Wiring Repairs in Wiring Systems.
Did you complete the repair?
Go to Step 14  -
11 Repair the open in the ground circuit of the seat adjuster switch. Refer to Wiring Repairs in Wiring Systems.
Did you complete the repair?
Go to Step 14  -
12 Replace the seat adjuster switch. Refer to Seat Switch Replacement - Power .
Did you complete the replacement?
Go to Step 14  -
13 Replace the seat motor Refer to Seat Adjuster Replacement - Front (Six-Way Power)  or Seat Adjuster Replacement - Front (Two-Way Manual) .
Did you complete the replacement?
Go to Step 14  -
14 Operate the system in order to verify the repair.
Did you correct the condition?
System OK Go to Step 2