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Home >> Pontiac >> 2009 >> Vibe Base, 2.4 0, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Engine Control System & Fuel System - 1.8L (Lay) - DTC P0010 To DTC P0420) >> DTC P0120, P0121, P0122, P0123, P0220, P0222, P0223, P2135, or P2172 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Ignition ON, observe that the scan tool TP sensor 1 parameter is between 7-19 percent.
  2. Ignition ON, observe that the scan tool TP sensor 2 parameter is between 2.3-2.6 volts.
  3. Observe both scan tool TP sensor parameters while pressing the accelerator pedal from a closed throttle to wide open throttle (WOT). Both TP sensor parameters should change.
  4. Rapidly depress the accelerator pedal from the rest position to the WOT position and release pedal. Repeat the procedure several times. DTCs P0120, P0121, P0122, P0123, P0220, P0222, P0223, or P2135 should not set.
  5. Slowly depress the accelerator pedal to WOT and then slowly return the pedal to closed throttle. Repeat the procedure several times. DTCs P0120, P0121, P0122, P0123, P0220, P0222, P0223, or P2135 should not set.
  6. Operate the vehicle within the Conditions for Running the DTC to verify the DTC does not reset. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
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