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Home >> Mazda >> 2007 >> B3000 Base, Standard >> Repair and Diagnosis (Single Page) >> Drivelines & Axles >> Differentials & Drive Axles >> Symptom Troubleshooting (Driveline/Axle) >> Transfer Case Electronic Shift Pinpoint Test 1: No Communication With The 4WD Control Module >> Normal Operation

Normal Operation

In order for the 4WD control module to communicate with the scan tool, the operating voltage required to supply the 4WD control module is in the range between 9 and 16 volts. Hot-at-all times voltage is supplied by circuit (G/R); ground is supplied by circuit (B/W).