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Home >> Suzuki >> 2005 >> Swift + >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 1.6L (L91) - DTC P0456 To DTC P2196 >> Diagnosis >> DTC P0496 >> Diagnostic Aids
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Diagnostic Aids

The EVAP system tests run when engine is first started and meets The Conditions for Running the DTC. An intermittent condition could be caused by an improperly installed or damaged EVAP canister purge solenoid valve, or by a temporary blockage or restriction in the EVAP canister purge solenoid valve.

DTC P0496

Step Action Values Yes No
Schematic Reference:  Evaporative Emissions (EVAP) Hose Routing Diagram 
1 Did you perform the Diagnostic System Check - Engine Controls? - Go to Step 2  Go to Diagnostic System Check - Engine Controls
2
  1. Disconnect the EVAP purge solenoid valve electrical harness connector.
  2. Start the engine.
  3. Command the vent solenoid closed with a scan tool.
  4. Increase the engine idle to 1,200-1,500 RPM.
  5. Observe the fuel tank pressure sensor in H2O with a scan tool.
Is the fuel tank pressure sensor parameter within the specified value?		 -1 to +1 H2O Go to Diagnostic Aids Go to Step 3 
3
  1. Turn OFF the ignition.
  2. Disconnect the evaporative emission (EVAP) purge pipe from the EVAP canister purge solenoid valve.
  3. Turn ON the ignition, with the engine OFF.
  4. Observe the fuel tank pressure sensor in H2O with a scan tool.
Is the fuel tank pressure sensor parameter within the specified range?		 -1 to +1 H2O Go to Step 4  Go to Step 5 
4 Replace the EVAP purge solenoid.
Did you complete the replacement?		 - Go to Step 6  -
5 Replace the fuel tank pressure (FTP) sensor. Refer to Fuel Tank Pressure Sensor Replacement .
Did you complete the replacement?		 - Go to Step 6  -
6
  1. Disconnect the EVAP purge solenoid valve electrical harness connector.
  2. Start the engine.
  3. Command the vent solenoid closed with a scan tool.
  4. Increase the engine idle to 1,200-1,500 RPM.
  5. Observe the fuel tank pressure sensor in H2O with a scan tool.
Is the fuel tank pressure sensor parameter within the specified range?		 -1 to +1 H2O Go to Step 7  Go to Step 2 
7 Observe the Capture Info with a scan tool.
Are there any DTCs that have not been diagnosed?		 - Go to Diagnostic Trouble Code (DTC) List System OK
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