Memory Positioning Systems: Testing and Inspection
MEMORY SEAT SYSTEM
NOTE: Vehicles equipped with the memory seat option utilize a low voltage cut-off feature. This feature turns off battery power to the power seat system anytime vehicle voltage is below 11 volts. Be certain to check the vehicle electrical system for proper voltage anytime the driver memory seat system appears inoperative.
1. Check the power seat fuse in the Totally Integrated Power Module (TIPM). If OK, go to Step 2. If not OK, repair the short and replace the fuse. See Wiring Information.
2. Before any testing of the driver memory seat system is attempted, the battery should be fully-charged Testing and Inspection.
3. Manually operate the driver power seat and power lumbar support switches. Move the seat, seat back and power lumbar support in all directions. The seat and lumbar support should move in each of the selected directions. If any of the power seat and/or lumbar support motors fail to operate, repair as required.
4. Using a scan tool, check for any Diagnostic Trouble Codes (DTCs) related to the memory seat module. If OK, go to Step 5. If not OK, repair as required Testing and Inspection.
5. Using a scan tool, select Clear All MSM Learned Parameters, found under the Memory Seat Module, Miscellaneous Functions tab.
6. Perform the Power Seat System Verification test Power Seat System Verification Test.