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DTC P2402

DTC P2402  : EVAP Leak Check Pump Control Circuit High Voltage

NOTE: Before you troubleshoot, review the general troubleshooting information .
DTC Description Confirmed DTC Pending DTC
P2402 EVAP Leak Check Pump Control Circuit High Voltage    

DTC (PGM-FI)

  1. Problem verification

    -1. Turn the vehicle to the ON mode.

    -2. Clear the DTC with the HDS.

    -3. Turn the vehicle to the OFF (LOCK) mode.

    -4. Turn the vehicle to the ON mode.

    -5. Select the EVAP TEST in the Function Test Menu, then select EVAP Leak Check Module Test with the HDS.

    EVAP TEST

    Is the result OK?

    YES 

    If the test result is PASSED, intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the EVAP leak check module and the PCM. If the on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the on-board snapshot .

    NO 

    The failure is duplicated. Go to step 2.

  2. Open wire check (GND line)

    -1. Turn the vehicle to the OFF (LOCK) mode.

    -2. Disconnect the following connector.

    EVAP leak check module 8P connector

    -3. Check for continuity between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) mode
      EVAP leak check module 8P connector: disconnected
    Test point 1 EVAP leak check module 8P connector (female terminals) No. 4:
    Test point 2 Body ground
    GHH385462Courtesy of HONDA, U.S.A., INC.

    Is there continuity?

    YES 

    Go to step 3.

    NO 

    Repair an open in the GND wire between the EVAP leak check module and body ground (G601).

  3. Open wire check (VMOTOR line)

    -1. Jump the SCS line with the HDS, and wait more than 1 minute.

    -2. Disconnect the following connector.

    PCM connector A (50P)

    -3. Check for continuity between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) mode
      PCM connector A (50P): disconnected
      EVAP leak check module 8P connector: disconnected
    Test point 1 PCM connector A (50P) No. 19
    Test point 2 EVAP leak check module 8P connector (female terminals) No. 3:
    GHH385464Courtesy of HONDA, U.S.A., INC.

    Is there continuity?

    YES 

    Replace the EVAP leak check module .

    NO 

    Repair an open in the VMOTOR wire between the PCM (A19) and the EVAP leak check module.