Power Seat - Head Restraint Does Not Move Up or Down without A45
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Was the entire Power Seats System Check performed? | -- | Go to Power Seats System Check | |
2 |
Is the voltage within the specified range? | 10-15 V | ||
3 |
Is the voltage within the specified range? | 10-15 V | ||
4 | Replace the seat switch. Refer to Power Seat Switch Replacement . Is the seat switch replacement complete? | -- | Go to Power Seats System Check | -- |
5 |
Is the voltage within the specified range? | 10-15 V | ||
6 |
Is the voltage within the specified range? | 10-15 V | ||
7 | Replace the seat headrest motor. Refer to Driver Seat and Passenger Seat Head Restraint Adjuster Motor Replacement . Is the seat headrest motor replacement complete? | -- | Go to Power Seats System Check | -- |
8 | Repair the open in CKT 1257 (WHT/BLK) (LH) or CKT 1625 (LT GRN) (RH) between the seat switch and the seat headrest motor. Refer to Wiring Repairs in Wiring Systems. Is the circuit repair complete? | -- | Go to Power Seats System Check | -- |
9 | Repair the open in CKT 1258 (BLU/WHT) (LH) or CKT 1626 (YEL) (RH) between the seat switch and the seat headrest motor. Refer to Wiring Repairs in Wiring Systems. Is the circuit repair complete? | -- | Go to Power Seats System Check | -- |
Power Seat - Head Restraint Does Not Move Up or Down A45 with AL2
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Was the entire Memory Seats System Check performed? | -- | ||
2 |
Does the scan tool indicate that the seat switch input was received? | -- | ||
3 | Operate the seat headrest switch in the DOWN direction. Does the scan tool indicate that the seat switch input was received? | -- | ||
4 |
Does the motor run? | -- | ||
5 | Test for an open or short to ground in CKT 1257 (YEL) between the MSM and the seat headrest motor. Refer to Testing for Continuity or Testing for Short to Ground in Wiring Systems. Is CKT 1257 OK? | -- | ||
6 | Test for an open or short to ground in CKT 1258 (PPL) between the MSM and the seat headrest motor. Refer to Testing for Continuity or Testing for Short to Ground in Wiring Systems. Is CKT 1258 OK? | -- | ||
7 | Replace the memory seat module (MSM). Refer to Memory Seat Control Module Replacement . Is the MSM replacement complete? | -- | -- | |
8 |
Is the resistance less than the specified value? | 5 ohms | ||
9 |
Is the resistance less than the specified value? | 5 ohms | ||
10 | Replace the seat switch. Refer to Power Seat Switch Replacement . Is the seat switch replacement complete? | -- | -- | |
11 | Replace the seat headrest motor. Refer to Driver Seat and Passenger Seat Head Restraint Adjuster Motor Replacement . Is the motor replacement complete? | -- | -- | |
12 | Repair the open or short to ground in CKT 1257 (YEL) between the MSM and the seat headrest motor. Refer to Wiring Repairs in Wiring Systems. Is the circuit repair complete? | -- | -- | |
13 | Repair the open or short to ground in CKT 1258 (PPL) between the MSM and the seat headrest motor. Refer to Wiring Repairs in Wiring Systems. Is the circuit repair complete? | -- | -- | |
14 | Repair the open in CKT 1068 (WHT/BLK) between the seat switch and the MSM. Refer to Wiring Repairs in Wiring Systems. Is the circuit repair complete? | -- | -- | |
15 | Repair the open in CKT 1069 (DK BLU/WHT) between the seat switch and the MSM. Refer to Wiring Repairs in Wiring Systems. Is the circuit repair complete? | -- | -- |
Power Seat - Head Restraint Does Not Move Up or Down A45 with AC9
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Was the entire Memory Seats System Check performed? | -- | ||
2 |
Does the scan tool indicate that the seat switch input was received? | -- | ||
3 | Operate the seat headrest switch in the DOWN direction. Does the scan tool indicate that the seat switch input was received? | -- | ||
4 |
Does the motor run? | -- | ||
5 | Test for an open or short to ground in CKT 1257 (YEL) between the MSM and the seat headrest motor. Refer to Testing for Continuity or Testing for Short to Ground in Wiring Systems. Is CKT 1257 OK? | -- | ||
6 | Test for an open or short to ground in CKT 1258 (PPL) between the MSM and the seat headrest motor. Refer to Testing for Continuity or Testing for Short to Ground in Wiring Systems. Is CKT 1258 OK? | -- | ||
7 | Replace the memory seat module (MSM). Refer to Memory Seat Control Module Replacement . Is the MSM replacement complete? | -- | -- | |
8 |
Is the resistance less than the specified value? | 5 ohms | ||
9 |
Is the resistance less than the specified value? | 5 ohms | ||
10 | Replace the seat switch. Refer to Power Seat Switch Replacement . Is the seat switch replacement complete? | -- | -- | |
11 | Replace the seat headrest motor. Refer to Driver Seat and Passenger Seat Head Restraint Adjuster Motor Replacement . Is the motor replacement complete? | -- | -- | |
12 | Repair the open or short to ground in CKT 1257 (YEL) between the MSM and the seat headrest motor. Refer to Wiring Repairs in Wiring Systems. Is the circuit repair complete? | -- | -- | |
13 | Repair the open or short to ground in CKT 1258 (PPL) between the MSM and the seat headrest motor. Refer to Wiring Repairs in Wiring Systems. Is the circuit repair complete? | -- | -- | |
14 | Repair the open in CKT 1068 (WHT/BLK) between the seat switch and the MSM. Refer to Wiring Repairs in Wiring Systems. Is the circuit repair complete? | -- | -- | |
15 | Repair the open in CKT 1069 (DK BLU/WHT) between the seat switch and the MSM. Refer to Wiring Repairs in Wiring Systems. Is the circuit repair complete? | -- | -- |
