Symptom Chart
Condition | Possible Sources | Actions |
|---|---|---|
No communication with the DSM | Refer to the Pinpoint Test | REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing). |
No communication with the DDM | Refer to the Pinpoint Test | REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing). |
No communication with the FCIM | Refer to the Pinpoint Test | REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing). |
No communication with the SCME | Refer to the Pinpoint Test | REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing). |
The power seat is inoperative or does not operate correctly — driver, without memory | Refer to the Pinpoint Test | GO to Pinpoint Test F |
The power seat is inoperative or does not operate correctly — passenger | Refer to the Pinpoint Test | GO to Pinpoint Test A |
The power lumbar is inoperative — driver | Refer to the Pinpoint Test | GO to Pinpoint Test B |
The memory seat does not operate horizontally/vertically using the seat control switch | Refer to the Pinpoint Test | GO to Pinpoint Test C |
The memory seat does not operate using the memory SET switch | Refer to the Pinpoint Test | GO to Pinpoint Test D |
The memory seat moves in one-second intervals | Refer to the Pinpoint Test | CARRY OUT the DSM self-test and RETRIEVE the Diagnostic Trouble Codes (DTCs). REFER to the DSM DTC Chart. |
The memory seat does not move to the correct memory position | Refer to the Pinpoint Test | CARRY OUT the DSM self-test and RETRIEVE the Diagnostic Trouble Codes (DTCs). REFER to the DSM DTC Chart. |
The memory seat does not operate when using the RKE transmitter | Refer to the Pinpoint Test | VERIFY the RKE transmitter is operating correctly and is associated to a memory position. REFER to the Owner's Literature for information on associating a RKE transmitter. CARRY OUT the DSM self-test and REFER to the DSM DTC Chart to diagnose any Diagnostic Trouble Codes (DTCs) retrieved. |
Easy entry/easy exit is inoperative/does not operate correctly | Refer to the Pinpoint Test | GO to Pinpoint Test E |
One or both climate controlled seats are inoperative | Refer to the Pinpoint Test | GO to Pinpoint Test J |
A single climate controlled seat does not operate correctly — exhibits poor airflow or performance | Excessive sunload or extreme cabin temperatures Incorrectly installed backrest or cushion blower motor Airflow blockage Disconnected air duct | CARRY OUT the SCME self-test and retrieve any Diagnostic Trouble Codes (DTCs). If any Diagnostic Trouble Codes (DTCs) are present, REFER to the SCME DTC Chart. If no Diagnostic Trouble Codes (DTCs) are present, CHECK the affected seat cushion or backrest for correct installation of the climate controlled seat components (backrest or cushion blower motor, air duct and foam pad) and CHECK for airflow restrictions (backrest or cushion blower motor inlets and outlets, filters and ducts) and REPAIR as needed. RETEST the system for normal operation. |
Pinpoint Test(s)
The Power Seat is Inoperative or Does Not Operate Correctly — Passenger
Refer to Wiring Diagrams Cell 120 for schematic and connector information.
Normal Operation and Fault Conditions
REFER to: Front Seats - System Operation and Component Description (501-10A Front Seats, Description and Operation).
Possible Causes
Fuse Wiring, terminals or connectors Seat control switch
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