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Home >> Buick >> 2007 >> Allure CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 70 (Engine Control System & Fuel System - 3.8L - DTC P0385 To DTC P2108) >> DTC P1125, P2120, P2125, or P2138 >> 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. Ignition ON, observe the scan tool APP sensor 1 voltage parameter. The reading should be between 0.24-4.49 volts, and change with the accelerator pedal input.
  2. Ignition ON, observe the scan tool APP sensor 2 voltage parameter. The reading should be between 0.24-4.49 volts, and change with the accelerator pedal input.
  3. Ignition ON, observe the scan tool APP sensor 1 and 2 parameters. The scan tool should indicate agree.
  4. Operate the vehicle within the Conditions for Running the DTC, or within the conditions that you observed from the Freeze Frame/Failure Records data.
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