Power Seat Inoperative w/o Memory
Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Driver Seat Schematics , Passenger Seat Schematics Connector End View Reference: Power Seat Connector End Views 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 seat adjuster motors through their full range of adjustment. Do all of the power seat adjuster motors operate properly? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 | Are all of the power seat functions inoperative? | Go to Step 4 | Go to Step 6 |
4 | Test the battery positive voltage supply circuit to the seat adjuster switch 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 12 | Go to Step 5 |
5 | Test the seat adjuster switch ground 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 12 | Go to Step 6 |
6 |
Does the test lamp illuminate when the switch is pressed in both directions? | Go to Step 8 | Go to Step 7 |
7 |
Did you find and correct the condition? | Go to Step 12 | Go to Step 10 |
8 | Inspect for poor connections at the seat adjuster motor assembly. 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 12 | Go to Step 9 |
9 | Replace the seat adjuster motor assembly. Refer to Front Seat Adjuster Replacement . Did you complete the replacement? | Go to Step 12 | -- |
10 | 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 12 | Go to Step 11 |
11 | Replace the power seat switch. Refer to Power Seat Switch Replacement . Is the repair complete? | Go to Step 12 | -- |
12 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2 |
Power Seat Inoperative w/Memory
Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Driver Seat Schematics Connector End View Reference: Power Seat Connector End Views DEFINITION: One or more of the memory seat functions are inoperative and no DTCs are set. | |||
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information |
2 | Attempt to operate all of the memory seat adjustments through their full range. Do all of the memory seat functions operate properly? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 |
Does the test lamp illuminate? | Go to Step 4 | Go to Step 5 |
4 | Connect a fused jumper wire from the 12-volt reference circuit terminal to the inoperative switch signal circuit terminal in the adjuster switch harness connector. Does the scan tool indicate the appropriate switch status as active? | Go to Step 7 | Go to Step 6 |
5 | Test the adjuster switch 12-volt reference circuit 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 11 | Go to Step 8 |
6 | Test the inoperative switch signal circuit 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 11 | Go to Step 8 |
7 | 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 11 | Go to Step 9 |
8 | Inspect for poor connections at the memory seat module. 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 11 | Go to Step 10 |
9 | Replace the seat adjuster switch. Refer to Driver Seat Adjuster Memory Switch Replacement . Is the repair complete? | Go to Step 11 | -- |
10 | Replace the memory seat module. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming. 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 |
