Power Seat Inoperative with Memory
Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Memory Seats Schematics DEFINITION: One or more of the memory seat adjustments are inoperative and no DTCs are set. | |||
1 | Did you perform the Power Seat Systems Diagnostic System Check? | Go to Step 2 | |
2 | Attempt to operate all of the memory seat adjustments through the full range. Do all of the memory seat functions operate normal? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 |
Does the scan tool indicate the switch status is active? | Go to Step 6 | Go to Step 4 |
4 |
Does the scan tool indicate the switch status is active? | Go to Step 8 | Go to Step 5 |
5 | Test and repair the adjuster switch low reference circuit and the inoperative switch signal circuit for an open or high resistance. Refer to Circuit Testing and Wiring Repairs or Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 11 | Go to Step 10 |
6 |
Does the test lamp illuminate? | Go to Step 9 | Go to Step 7 |
7 | Test and repair the inoperative seat adjuster motor control circuits for an open, high resistance, or short to ground. Refer to Circuit Testing and Wiring Repairs or Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 11 | Go to Step 10 |
8 | Replace the seat adjuster switch. Refer to Power Seat Switch Replacement . Is the repair complete? | Go to Step 11 | -- |
9 | Replace the inoperative seat adjuster motor. Refer to Front Seat Adjuster Motor Replacement . Is the repair complete? | Go to Step 11 | -- |
10 | Replace the memory seat module. Refer to Memory Seat Control Module Replacement . Is the repair complete? | Go to Step 11 | -- |
11 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |
Power Seat Inoperative Without Memory
Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Power Seats Schematics DEFINITION: One or more of the driver or passenger 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 | Attempt to operate all of the power seat adjustments through their full range. Do all of the power seat functions operate properly? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 | Are all the power seat inoperative in all direction? | Go to Step 4 | Go to Step 10 |
4 |
Does the test lamp illuminate when the battery positive supply circuit contacted to a good ground? | Go to Step 5 | Go to Step 19 |
5 | Connect a test lamp between the battery positive voltage supply circuit at the harness connector pin C3-A and a good ground. Does the test lamp illuminate when the battery positive supply circuit contacted to a good ground? | Go to Step 6 | Go to Step 20 |
6 | Connect the test lamp between the battery positive voltage and the ground circuit of the seat relay center. Does the test lamp illuminate? | Go to Step 7 | Go to Step 21 |
7 |
Does the test lamp illuminate? | Go to Step 8 | Go to Step 12 |
8 |
Does the test lamp illuminate for the appropriate seat adjuster switch signal circuit probed? | Go to Step 17 | Go to Step 16 |
9 |
Does the test lamp illuminate for the appropriate power seat switch signal circuit probed? | Go to Step 10 | Go to Step 13 |
10 | Connect a fused jumper wire from the inoperative power seat switch signal circuit to a good ground. Does the seat adjuster motor operate when the switch signal circuit contacted to a good ground? | Go to Step 14 | Go to Step 11 |
11 |
Does the test lamp illuminate when the switch is pressed in both directions? | Go to Step 18 | Go to Step 15 |
12 | Test the ground circuit of the seat adjuster switch for an open or high resistance. Refer to Circuit Testing and Wiring Repairs or Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 25 | Go to Step 16 |
13 | Test the inoperative power seat switch signal circuit between the seat relay center harness connector and the seat relay center for open or high resistance, or short to ground. Refer to Circuit Testing and Wiring Repairs or Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 25 | Go to Step 16 |
14 | Test the inoperative power seat adjuster switch signal circuit for an open or high resistance or short to ground. Refer to Circuit Testing and Wiring Repairs or Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 25 | Go to Step 17 |
15 | Test the seat motor control circuit for open or high resistance. Refer to Circuit Testing and Wiring Repairs or Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 25 | Go to Step 16 |
16 | Inspect for poor connection at the harness connector of the seat relay center. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems. Did you find and correct the condition? | Go to Step 25 | Go to Step 24 |
17 | Inspect for poor connection at the harness connector of the seat adjuster switch. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems. Did you find and correct the condition? | Go to Step 25 | Go to Step 22 |
18 | Inspect for poor connection at the harness connector of the seat adjuster motor. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems. Did you find and correct the condition? | Go to Step 25 | Go to Step 23 |
19 | Repair the battery positive voltage supply circuit at the harness connector pin C1-3 for open or high resistance, or short to ground. Refer to Circuit Testing and Wiring Repairs or Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 25 | -- |
20 | Repair the battery positive voltage supply circuit at the harness connector pin C3-A for open or high resistance, or short to ground. Refer to Circuit Testing and Wiring Repairs or Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 25 | -- |
21 | Repair the ground circuit of the seat relay center for open or high resistance. Refer to Circuit Testing and Wiring Repairs or Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 25 | -- |
22 | Replace the seat adjuster switch. Refer to Power Seat Switch Replacement . Is the repair complete? | Go to Step 25 | -- |
23 | Replace the inoperative seat adjuster motor. Refer to Front Seat Adjuster Motor Replacement . Is the repair complete? | Go to Step 25 | -- |
24 | Replace the seat relay center. Is the repair complete? | Go to Step 25 | -- |
25 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |
