Checking cable

2003 Volvo XC70SECTION Checking cable

Check the power seat module (PSM) and motor connector for contact resistance and oxidation according to Contact resistance and oxidation and loose connections according to Loose connections (terminals) .

The Hall sensor is integrated in the motor.

Check the wiring between the power seat module (PSM) and the sensor according to the table below for an intermittent open-circuit according to Open-circuit, intermittent faults , an intermittent short-circuit to ground according to Short-circuit to ground, intermittent faults and an intermittent short-circuit to supply voltage according to Short-circuit to supply voltage, intermittent faults .

DTC  Covers motor  Terminal  Terminal 
PSM-0001 M1 #3E #4E
PSM-0002 M2 #3D #4D
PSM-0003 M3 #7E #8E
PSM-0004 M4 #11E #12E

Other information: 

Fig 1: Identifying Black (8-Pin) Connector
GLL104019Courtesy of VOLVO CARS OF NORTH AMERICA.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.