Power Seat Does Not Tilt Rearward w/o A45
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you review the power seat operation and perform the necessary inspections? | -- | Go to Step 2 | Go to Symptoms |
2 |
Does the voltage measure within the specified range? | 10-15 V | Go to Step 3 | Go to Step 4 |
3 |
Does the voltage measure within the specified range? | 10-15 V | Go to Step 6 | Go to Step 4 |
4 | Inspect for poor connections at the harness connector of the seat 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 5 |
5 | Replace the seat switch. Refer to Power Seat Switch Replacement . Did you complete the replacement? | -- | Go to Step 12 | -- |
6 |
Does the voltage measure within the specified range? | 10-15 V | Go to Step 7 | Go to Step 10 |
7 |
Does the voltage measure within the specified range? | 10-15 V | Go to Step 8 | Go to Step 11 |
8 | Inspect for poor connections at the harness connector of the 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 9 |
9 | Replace the rear vertical motor. Refer to Seat Adjuster Motor Replacement - Rear Vertical . Did you complete the replacement? | -- | Go to Step 12 | -- |
10 | Repair open in the Rear Vertical Up circuit. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 12 | -- |
11 | Repair open in the Rear Vertical Down circuit. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | 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 w/ A45
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you perform the Diagnostic System Check-Power Seat Systems? | -- | Go to Step 2 | |
2 |
Did the scan tool indicate that the seat switch signal was received? | -- | Go to Step 3 | Go to Step 9 |
3 | Operate the LH seat rear vertical switch in the DOWN direction. Did the scan tool indicate that the seat switch signal was received? | -- | Go to Step 4 | Go to Step 10 |
4 |
Did the motor run? | -- | Go to Step 5 | Go to Step 13 |
5 | Test the Rear Vertical Up control circuit between the memory seat module (MSM) and the Rear Vertical motor for an open or short to ground. Does the circuit test OK? | -- | Go to Step 6 | Go to Step 15 |
6 | Test the Rear Vertical Down control circuit between the memory seat module (MSM) and the rear vertical motor for an open or short to ground. Does the circuit test OK? | -- | Go to Step 7 | Go to Step 15 |
7 | Inspect for poor connections at the harness connector of the memory seat module (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 17 | Go to Step 8 |
8 | Replace the memory seat module (MSM). Refer to Memory Seat Control Module Replacement . Did you complete the replacement? | -- | Go to Step 17 | -- |
9 |
Does the resistance measure less than the specified value? | 5 ohms | Go to Step 11 | Go to Step 16 |
10 |
Does the resistance measure less than the specified value? | 5 ohms | Go to Step 11 | Go to Step 16 |
11 | Inspect for poor connections at the harness connector of the LH seat 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 17 | Go to Step 12 |
12 | Replace the LH seat switch. Refer to Power Seat Switch Replacement . Did you complete the replacement? | -- | Go to Step 17 | -- |
13 | Inspect for poor connections at the harness connector of the 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 17 | Go to Step 14 |
14 | Replace the rear vertical motor. Refer to Seat Adjuster Motor Replacement - Rear Vertical . Did you complete the replacement? | -- | Go to Step 17 | -- |
15 | Repair the open or short to ground in the appropriate circuit between the MSM and the LH rear vertical motor. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 17 | -- |
16 | Repair the open in the appropriate circuit between the LH seat switch and the MSM. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 17 | -- |
17 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 2 |
