DTC Troubleshooting: P1458(2.0L Engine): Inspection

FTP Sensor Functional Inspection 

Test Procedure 

• Preparation
• • -

    Canister maintenance lid (with AWD): removed

  • -

    FTP sensor: removed

• Procedure
• • Connect the 3P connector to the FTP sensor.
  • Turn the vehicle to the ON mode.
  • Confirm the HDS [FTP Sensor (Fine)].

Courtesy of HONDA, U.S.A., INC.

• Normal Conditions
• • HDS [FTP Sensor (Fine)] does not vary 0.067 kPa (0.02 inHg, 0.5 mmHg) or more  within 3 seconds.

Results 

• If it is abnormal, there is a problem with the FTP sensor.

FTP Sensor Port Visual Inspection 

Test Procedure 

• Preparation
• • Canister maintenance lid (with AWD): removed
  • FTP sensor: removed

• Procedure
• • Check for a blockage or damage at the FTP sensor ports. (EVAP canister side and vent side)

Courtesy of HONDA, U.S.A., INC.

• Normal Conditions
• • There is no blockages or damages.

Results 

• If it is abnormal, there is a problem with the FTP sensor.

FTP Sensor Vent Hose Inspection 

Test Procedure 

• Preparation
• • Canister maintenance lid (with AWD): removed
  • FTP sensor: removed

• Procedure
• • Connect the 3P connector to the FTP sensor.
  • Turn the vehicle to the ON mode.
  • Confirm the HDS [FTP Sensor (Fine)].

• Normal Conditions
• • HDS [FTP Sensor (Fine)] indicates -0.67 - 0.67 kPa  .

Results 

• If it is abnormal, there is a problem with the FTP sensor vent hose.

EVAP Canister Vent Shut Valve Inspection 

Test Procedure 

• Procedure
• • Disconnect the EVAP canister vent hose (A) from the EVAP canister (B), then connect a vacuum pump/gauge, 0-30 inHg (C), to the EVAP canister vent shut valve port as shown.
  • Turn the vehicle to the ON mode.
  • Select the HDS [CVS OFF].
  • Try to apply vacuum to the valve (not more than 5.3 kPa (1.6 inHg, 40 mmHg)) while checking the HDS [FTP Sensor (Fine)].
    NOTE: To avoid damaging the FTP sensor, do not apply more than 5.3 kPa (1.6 inHg, 40 mmHg) of vacuum.

Courtesy of HONDA, U.S.A., INC.

• Normal Conditions
• • The EVAP canister vent shut valve does not hold more than 1.3 kPa (0.4 inHg, 10 mmHg)  of vacuum.

Results 

• If it is abnormal, there is a problem with the EVAP canister vent shut valve.

EVAP Canister Vent Hose Inspection 

Test Procedure 

• Preparation
• • EVAP canister vent hose: disconnected
• Procedure
• • Check the EVAP canister vent hose (A) for blockage or restriction.

Courtesy of HONDA, U.S.A., INC.

• Normal Conditions
• • There is no blockage or restriction.

Results 

• If it is abnormal, there is a problem with the EVAP canister vent hose.