Checking Control Panel

Check the power seat module (PSM) and the control panel connectors. Check for intermittent short-circuit to ground. See SHORT-CIRCUIT TO GROUND, INTERMITTENT FAULTS . Check for contact resistance and oxidation. See CONTACT RESISTANCE AND OXIDATION . Check for loose connections. See LOOSE CONNECTIONS (TERMINALS) .

Remedy as necessary.

Other information: 

• To connect the breakout box, see CONNECTING THE BREAKOUT BOX, POWER SEAT MODULE (PSM)
• For information about signals, see SIGNAL SPECIFICATION, POWER SEAT MODULE .

Fig 1: Breakout Box

Courtesy of VOLVO CARS CORPORATION

Fig 2: Identifying Ohmmeter

Courtesy of VOLVO CARS CORPORATION