Step  | Action  | Value(s)  | Yes  | No  | 
|---|---|---|---|---|
1  | Was the entire Memory Seats System Check performed?  | --  | ||
2  | 
 Does the memory seat/mirror module chime once and enter diagnostic mode?  | --  | ||
3  | Inspect CKT 571 (YEL/BLK) for an open. Refer to Testing for Continuity in Wiring Systems. Is CKT 571 OK?  | --  | ||
4  | 
 Does the module chime twice?  | --  | ||
5  | 
 The module will chime once for each open or short circuit to a position sensor or any position sensor discontinuity. Were there any switch operations where the memory seat/mirror module sounded a chime?  | --  | ||
6  | Test for an open or short in CKT 557 (BRN/WHT). 571 (YEL/BLK) for an open. Refer to Testing for Continuity in Wiring Systems. Is CKT 557 OK?  | --  | ||
7  | Test for an open in CKT 788 (GRY) between the seat front vertical position sensor and S324. 571 (YEL/BLK) for an open. Refer to Testing for Continuity in Wiring Systems. Is CKT 788 OK?  | --  | ||
8  | Test for an open in CKT 782 (BLK) between the seat front vertical position sensor and S332. 571 (YEL/BLK) for an open. Refer to Testing for Continuity in Wiring Systems. Is CKT 782 OK?  | --  | ||
9  | Replace the seat front vertical position sensor. Is the sensor replacement complete?  | --  | --  | |
10  | Repair the suspect circuit. Refer to Wiring Repairs in Wiring Systems. Is the circuit repair complete?  | --  | --  | |
11  | Replace the memory seat/mirror module. Refer to Memory Seat Control Module Replacement . Is the memory seat/mirror module replacement complete?  | --  | --  |