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Home >> Buick >> 2008 >> Allure CX >> Repair and Diagnosis >> Engine Mechanical >> Starter >> Battery, Charging System And Starting System >> Diagnostic Information and Procedures >> DTC B1327 >> Circuit/System Verification

Circuit/System Verification

  1. Ignition OFF, measure the voltage at the battery terminals.
  2. Ignition ON, observe the affected module scan tool Battery Positive Voltage parameter..
  3. Verify that battery terminal voltage and Battery Positive Voltage parameter readings do not differ by more than 2 volts.
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