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Home >> Jeep >> 2009 >> Commander Overland, RWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Memory Modules >> Memory Seat Module (MSMD) - Electrical Diagnostics >> DTC Troubleshooting >> B1D79-Seat Recliner Position Sensor Circuit Low >> Diagnostic Test
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Diagnostic Test

  1. TEST FOR INTERMITTENT CONDITION 
    1. Turn the ignition on.
    2. With the scan tool, record and erase DTC's
    3. Move the Seat Switch recliner position three times.
    4. With the scan tool, read DTC's.

      Does the scan tool display B1D79-SEAT RECLINER POSITION SENSOR CIRCUIT LOW?

      Yes 

      • Go to step  2

      No 

  2. CHECK THE (G403) DRIVER SEAT RECLINER POSITION SENSE VOLTAGE 
    Fig 1: Checking Driver Seat Recliner Position Sense Voltage
    GC0097029Courtesy of CHRYSLER LLC
    1. Disconnect the Driver Recliner Seat Adjuster Motor.
      NOTE: Check connectors - Clean and repair as necessary.
    2. Move the seat switch in the recliner position during the next step.
    3. Using a 12-volt test light connect one lead to the (G403) Driver Seat Recliner Position Sense circuit and the other lead to Driver Seat Recliner Position Sensor Ground at the Driver Recliner Seat Adjuster Motor connector.

      Does the test light illuminate for approximately two seconds then turn off with the seat switch engaged?

      Yes 

      No 

      • Go to step  3
  3. CHECK THE (G403) DRIVER SEAT RECLINER POSITION SENSE WIRE FOR A SHORT TO GROUND 
    Fig 2: Checking Driver Seat Recliner Position Sense Wire For A Short To Ground
    GC0097030Courtesy of CHRYSLER LLC
    1. Disconnect the Memory Seat Module C2 connector.
      NOTE: Check connectors - Clean and repair as necessary.
    2. Measure the resistance of the (G403) Driver Seat Recliner Position Sense wire at the Driver Recliner Seat Adjuster Motor connector to ground.

      Is the resistance below 1000.0 ohm?

      Yes 

      No