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HOMESERVICE MANUALSISUZU2006ASCENDER S, 5.3 M, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 414 (ENGINE CONTROL SYSTEM & FUEL SYSTEM - 4.2L - DTC P0366 TO DTC P2444)DTC P0443 OR P0449CIRCUIT/SYSTEM VERIFICATION
2006 Isuzu Ascender S, 5.3 M, 4WD

Circuit/System Verification

2006 Isuzu Ascender S, 5.3 M, 4WDSECTION Circuit/System Verification
WARNING: This page is about a different car, the 2008 Isuzu Ascender, 2008 GMC Envoy, and 2008 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

P0443

  1. With the ignition ON, engine OFF, you should hear a clicking sound when the EVAP canister purge solenoid valve is commanded to 50 percent with a scan tool. The clicking sound should stop when the EVAP canister purge solenoid valve is commanded to 0 percent. The rate at which the valve cycles should increase when the commanded state is increased, and decrease when the commanded state is decreased.
  2. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.

P0449

  1. With the ignition ON and the engine OFF, command the EVAP vent solenoid ON and OFF with a scan tool.
  2. Listen for a click when the valve operates. Verify that both the ON, and the OFF states are commanded.
  3. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
RENDER: 1.0x

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