Power Seat Inoperative w/o Memory-A45
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
Schematic Reference: Driver Seat Schematics or Passenger Seat Schematics Connector End View Reference: Power Seat Connector End Views | ||||
1 | Did you review the power seat system operation and perform the necessary inspection? | -- | Go to Step 2 | Go to Symptoms - Seats |
2 | Verify that the Power Seat Inoperative complaint is present. 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 | Does the other power seat operate properly? | -- | Go to Step 5 | Go to Step 4 |
4 | Inspect the PWR SEAT circuit breaker in the rear fuse block for continuity. Is the PWR SEAT circuit breaker OK? | -- | Go to Step 8 | Go to Step 9 |
5 | Measure the voltage from the battery positive voltage circuit of the seat adjuster switch harness connector to a good ground. Does the voltage measure within the specified range? | 9-16 V | Go to Step 6 | Go to Step 10 |
6 | Measure the voltage from the battery positive voltage circuit of the seat adjuster switch connector to the ground circuit of the seat adjuster switch connector. Does the voltage measure within the specified range? | 9-16 V | Go to Step 7 | Go to Step 11 |
7 | 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 15 | Go to Step 14 |
8 | Inspect for poor connections at the harness connector of the rear fuse block. 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 15 | Go to Step 13 |
9 | Repair the short to ground in the battery positive voltage circuit of the power seat switch. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 12 | -- |
10 | Repair the open in the battery positive voltage circuit of the power seat switch. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 15 | -- |
11 | Repair the open in the ground circuit of the power seat switch. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 15 | -- |
12 | Replace the power seat circuit breaker in the rear fuse block. Did you complete the replacement? | -- | Go to Step 15 | -- |
13 | Replace the rear fuse block. Refer to Rear Electrical Center or Junction Block Replacement in Wiring Systems. Did you complete the replacement? | -- | Go to Step 15 | -- |
14 | Replace the seat adjuster switch. Refer to Power Seat Switch Replacement . Did you complete the replacement? | -- | Go to Step 15 | -- |
15 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 2 |
Power Seat Inoperative with Memory-A45
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 | Operate the power seat and lumbar switches in all directions in order to verify that the Power Seat Inoperative complaint is present. 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 |
Does the seat parameter change state? | Go to Step 7 | Go to Step 4 |
4 |
Does the test lamp illuminate? | Go to Step 7 | Go to Step 5 |
5 | Probe the battery positive voltage circuit of the seat adjuster switch with a test lamp that is connected to a good ground. Does the test lamp illuminate? | Go to Step 6 | Go to Step 8 |
6 | 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 11 | Go to Step 9 |
7 | Inspect for poor connections at the harness connector of the MSM. 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 11 | Go to Step 10 |
8 | Repair the open or short to ground 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 11 | -- |
9 | Replace the seat adjuster switch. Refer to Power Seat Switch Replacement . Did you complete the replacement? | Go to Step 11 | -- |
10 | Replace the MSM. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming. Did you complete the replacement? | Go to Step 11 | -- |
11 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2 |
