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Home >> Pontiac >> 2007 >> G5 Base, Automatic >> Repair and Diagnosis >> Electrical >> Charging Systems >> Battery, Charging System And Starting System >> Diagnostic Information and Procedures >> DTC P0562 >> Circuit/System Testing

Circuit/System Testing

  1. Measure the voltage at the battery terminals and compare it with the Ignition 1 Signal parameter in the ECM/PCM data list. Verify that battery and Ignition 1 signal readings do not differ more than 1 volt.
    • If greater than 1 volt test the Ignition 1, ground circuits of the ECM/PCM for open/high resistance or replace the ECM/PCM.
  2. Go to Charging System Test .
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