Power Seat Does Not Tilt Rearward w/o A45
Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Power Seats 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 at the Power Seat Does Not Tilt Rearward 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 test lamp illuminate? | Go to Step 4 | Go to Step 6 |
4 |
Does the test lamp illuminate? | Go to Step 5 | Go to Step 7 |
5 |
Does the test lamp illuminate in both directions? | Go to Step 9 | Go to Step 8 |
6 | Test the seat rear vertical motor up control circuit for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 12 | Go to Step 8 |
7 | Test the seat rear vertical motor down control circuit for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 12 | Go to Step 8 |
8 | 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 12 | Go to Step 10 |
9 | Inspect for poor connections at the harness connector of the seat rear vertical 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 12 | Go to Step 11 |
10 | Replace the seat adjuster switch. Refer to Power Seat Switch Replacement . Did you complete the replacement? | Go to Step 12 | -- |
11 | Replace the seat rear vertical motor. Refer to Seat Adjuster Motor Replacement . Did you complete the replacement? | 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 Does Not Tilt Rearward with A45
Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Memory Seats Schematics Connector End View Reference: Power Seat Connector End Views | |||
1 | Did you perform the Diagnostic System Check - Power Seats Systems? | Go to Step 2 | |
2 | Verify that the Power Seat Does Not Tilt Rearward 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 Rear Up parameter change state? | Go to Step 4 | Go to Step 6 |
4 |
Does the Seat Rear Down parameter change state? | Go to Step 5 | Go to Step 7 |
5 |
Does the test lamp illuminate in both directions? | Go to Step 14 | Go to Step 8 |
6 |
Does the Seat Rear Up parameter change state? | Go to Step 13 | Go to Step 10 |
7 |
Does the Seat Rear Down parameter change state? | Go to Step 13 | Go to Step 11 |
8 | Test the seat rear vertical motor up control circuit between the memory seat module and the rear vertical motor 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 18 | Go to Step 9 |
9 | Test the seat rear vertical motor down control circuit between the memory seat module and the rear vertical motor 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 18 | Go to Step 12 |
10 | Test the power seat rear vertical up switch signal circuit between the seat adjuster switch and the memory seat module for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 18 | Go to Step 12 |
11 | Test the power seat rear vertical down switch signal circuit between the seat adjuster switch and the memory seat module for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 18 | Go to Step 12 |
12 | Inspect for poor connections at the harness connector of the memory seat module. 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 18 | Go to Step 15 |
13 | 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 18 | Go to Step 16 |
14 | Inspect for poor connections at the harness connector of the seat rear vertical 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 18 | Go to Step 17 |
15 | Replace the memory seat module. Refer to Memory Seat Control Module Replacement . Did you complete the replacement? | Go to Step 18 | -- |
16 | Replace the seat adjuster switch. Refer to Power Seat Switch Replacement . Did you complete the replacement? | Go to Step 18 | -- |
17 | Replace the seat rear vertical motor. Refer to Seat Adjuster Motor Replacement . Did you complete the replacement? | Go to Step 18 | -- |
18 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2 |
