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Home >> Buick >> 2007 >> Allure CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 26 (Battery, Charging System And Starting System) >> Diagnostic Information and Procedures >> DTC P0560 (3.8L) >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
  1. Verify DTC P0560 is set as current, if the DTC is history refer to Diagnostic Aids .
  2. Engine running, observe the scan tool PCM Ignition 1 signal parameter. The ignition 1 signal parameter should read between 11.5 volts - 15.5 volts.
  3. Measure the voltage at the battery terminals and compare it with the scan tool PCM Ignition 1 signal parameter. Verify that battery terminal and Ignition 1 signal readings do not differ more than 2.0 volts.
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