Power Seat Does Not Move Forward/Rearward w/o Memory
Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Driver Seat Schematics and Passenger Seat Schematics Connector End View Reference: Power Seat Connector End Views | |||
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 the fault is present. Does the system operate normally? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 |
Does the test lamp illuminate when the switch is operated in both directions? | Go to Step 6 | Go to Step 4 |
4 | Test the horizontal motor control circuits for an open or short to ground. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 9 | Go to Step 5 |
5 | Inspect for poor connections at the seat adjuster switch. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 9 | Go to Step 7 |
6 | Inspect for poor connections at the horizontal adjuster motor. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 9 | Go to Step 8 |
7 | Replace the seat adjuster switch. Refer to Power Seat Switch Replacement . Is the repair complete? | Go to Step 9 | -- |
8 | Replace the horizontal adjuster motor. Refer to Front Seat Adjuster Replacement . Is the repair complete? | Go to Step 9 | -- |
9 | Operate the system to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |
Power Seat Does Not Move Forward/Rearward with Memory
Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Driver Seat Schematics Connector End View Reference: Power Seat Connector End Views | |||
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information |
2 | Verify the condition is present. Does the system operate normally? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 |
Do either of the Horizontal Switch parameters display Active? | Go to Step 4 | Go to Step 5 |
4 | Disconnect the seat adjuster switch connector. Do both of the Horizontal Switch parameters display Inactive? | Go to Step 14 | Go to Step 10 |
5 | Operate the horizontal forward switch. Does the scan tool display the horizontal forward switch as Active? | Go to Step 6 | Go to Step 7 |
6 | Operate the horizontal rearward switch. Does the scan tool display the horizontal rearward switch as Active? | Go to Step 9 | Go to Step 8 |
7 |
Does the scan tool display the horizontal forward switch as Active? | Go to Step 14 | Go to Step 11 |
8 |
Does the scan tool display the horizontal rearward switch as Active? | Go to Step 14 | Go to Step 12 |
9 |
Does the test lamp illuminate when the switch is pressed in both directions? | Go to Step 16 | Go to Step 13 |
10 | Test the active horizontal switch signal circuit for a short to voltage. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 20 | Go to Step 15 |
11 | Test the horizontal forward switch signal circuit for an open or high resistance. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 20 | Go to Step 15 |
12 | Test the horizontal rearward switch signal circuit for an open or high resistance. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 20 | Go to Step 15 |
13 | Test the motor control circuits for an open or a high resistance. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 20 | Go to Step 15 |
14 | Inspect for poor connections at the seat adjuster switch harness connector. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 20 | Go to Step 17 |
15 | Inspect for poor connections at the driver seat module (DSM) harness connectors. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 20 | Go to Step 18 |
16 | Inspect for poor connections at the adjuster motor connector. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems. Did you fin and correct the condition? | Go to Step 20 | Go to Step 19 |
17 | Replace the seat adjuster switch. Refer to Power Seat Switch Replacement . Is the repair complete? | Go to Step 20 | -- |
18 | Replace the DSM. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming. Is the repair complete? | Go to Step 20 | -- |
19 | Replace the inoperative adjuster motor. Refer to Front Seat Adjuster Motor Replacement . Is the repair complete? | Go to Step 20 | -- |
20 | Operate the system to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |
