LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Honda >> 2001 >> CR-V EX, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls Self-Diagnostics >> Diagnostic Tests >> DTC P1456: EVAP System Leak Detected (Fuel Tank System) >> EVAP Purge Control Solenoid Valve Test
September 30: LEMON manuals is back up on a temporary server! Slowness is possible

EVAP Purge Control Solenoid Valve Test

  1. Disconnect vacuum hose from EVAP canister and connect vacuum pump/gauge to hose. See Fig 1. Turn ignition on. Apply vacuum to hose. If vacuum does not hold, go to next step. If vacuum holds, EVAP purge control solenoid valve is okay at this time. Perform EVAP by-pass solenoid valve test. See EVAP BY-PASS SOLENOID VALVE TEST .
    Fig 1: Connecting Vacuum Pump/Gauge To EVAP Canister
    G00033796Courtesy of AMERICAN HONDA MOTOR CO., INC.
  2. Turn ignition off. Disconnect 2-pin EVAP purge control solenoid valve connector. Check for continuity between body ground and 2-pin EVAP purge control solenoid valve connector terminal No. 2 (Red/Yellow wire). If continuity exists, go to next step. If continuity does not exist, replace solenoid valve.
  3. Disconnect PCM connector "A" (32-pin connector). Check for continuity between body ground and 2-pin EVAP purge control solenoid valve harness connector terminal No. 2 (Red/Yellow wire). If continuity exists, repair short in Red/Yellow wire between EVAP purge control solenoid valve and PCM connectors. See WIRING DIAGRAMS article. Repair as necessary. If continuity does not exist, substitute a known-good PCM and retest. If symptom or problem goes away, replace original PCM.
scientia non olet · About LEMON Manuals