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Home >> Volvo >> 2013 >> XC90 R-Design, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Phone Module (PHM) - Connecting Breakout Box, Checking Ground Terminal, And Replacing Battery >> Communication Devices >> Checking The Ground Terminal, Phone Module (PHM) >> Checking For Open-Circuits, Contact Resistance And Oxidation

Checking For Open-Circuits, Contact Resistance And Oxidation

Check ground terminal 31/84 and the wiring connected to it. Check for an open-circuit according to OPEN-CIRCUIT, PERMANENT FAULTS . Check for contact resistance and oxidation according to CONTACT RESISTANCE AND OXIDATION .

Fig 1: Identifying Ohm Meter
GLL101042Courtesy of VOLVO CARS CORPORATION