Test O: The Memory Seat Does Not Operate Correctly - Does Not Operate Using The Memory Set Switch, Edge

PINPOINT TEST O: THE MEMORY SEAT DOES NOT OPERATE CORRECTLY - DOES NOT OPERATE USING THE MEMORY SET SWITCH, EDGE

O1-O2:

O3:

O4-O5:

O6-O7:

O8-O10:

O10-O12:

O12-O13:

O14-O15:

O16-O17:

Normal operation
The driver seat control switch is powered by battery voltage on circuit SBP12 (GN/RD) and is supplied ground on circuit GD133 (BK). When pressed, the seat control switch supplies the voltage and ground to the applicable driver seat module (DSM) inputs. The DSM then supplies voltage and ground to the appropriate power seat track motor based on the inputs received from the seat control switch. When pressed in the opposite direction, the seat control switch reverses the polarity to the DSM inputs, and the DSM likewise reverses polarity of the appropriate power seat track motor or power recliner motor circuits causing the seat or backrest to move in the opposite direction. There are 3 power seat track motors that combine to move the seat horizontally (forward/rearward) and vertically (front up/down and rear up/down).

Battery voltage is supplied to DSM circuit SBB60 (GN/RD) and SBP12 (GN/RD). Ground is supplied to DSM circuit GD145 (BK/BU).

Each motor in the memory power seat track contains a Hall-effect position sensor. The DSM supplies a signal feed circuit to each position sensor and a shared reference signal return circuit. Each position sensor sends a signal voltage back to the DSM used to monitor the position of the power seat. The DSM uses this information to return the seat to a stored pre-programmed position when pressing the memory SET switch or a remote entry transmitter. Refer to Principles of Operation or the owner's literature for additional information on programming the DSM for storing memory seat positions. Principles of Operation

The pinpoint test diagnoses a memory seat that does not operate correctly using the memory SET switch. If the memory seat does not move in all directions using the seat control switch, GO to Pinpoint Test N. Test N: The Memory Seat Is Inoperative/Does Not Operate Correctly - Does Not Operate Horizontally/Vertically/Recline, Edge

Possible Causes
A memory seat that does not operate correctly can be caused by:
- wiring, terminals or connectors.
- a faulty memory SET switch.
- missing status information (CAN communication bus message):
- ignition switch status.
- gear selector position.

- a faulty remote entry transmitter.
- a faulty memory power seat track.
- a faulty DSM.