Summary of Contents for Honda Accord 1996 CE1 CE2 Service Manual - Page 40

  • Honda Accord 1996 CE1 CE2 Service Manual - Page 40

    Variable Valve Timing and Valve Lift Electronic Control (VTEC) Solenoid Valve r Troubleshooting Flowchart (F2231 Engine) Refer to page 11-3 through 11-9 belore troubleshooting. — The MIL has baln reported one — With the 505 short connector connecled, code 21 is Indi- emu. :l: Chock me me Comm] Synem: I. Do the engine control module (ECM) Reset Procedure lsee seclion Ill, . Slantne enolne. . Warm up engine to normal operaling temperature ltne radialorlan comes onl, um A. Dome Road Test‘ ls MIL on and does it indicate code 21? YES Tm Ih- vTEc Solenoid valn I. Turn the Ignllion serch OFF. 2‘ Disconnect Ihe vrEc solenoid valve connector. The Malfunction Indicator Lamp (MIL) indicates Diagnostic Trouble Code (DTCl 21: A problem in (he VTEC Solenoid Valve circuitv * Road Test: lei Amelerale in 1st gear In an engine speed over 4,000 rpm (min-i), Hold that en in speed tor at leasl two seconds, ll the MIL does not come on during the firsl road IesI, repeat Ihls test Iwo more limes. Int. mimnt realm, system is cut nt tins um. ell-ck lor poor connections or loou wlns II erc solenqu V 1 EM v‘rEc SOLENOID VALVE 7 CONNECTOR D , ZrEnMIIIAL SIDE or 3. Check Vorconlinulty between MALE “mm”. VTEC solenoid valve connecr Ior terminal and body ground, No l lstnereu—ao m j Ruplnoolneerc solenoid valve. gem CONNECTOR A (26?) VES 123‘567l9l011I213 H 15 [6 23 25 29 Test the VTEC Wir ~ Check for continuity between VIEC solenoid valve conneuor lsrminal and Ms terminal on Ihe EcM con- nectar. Solenoid Vllv- N0 < Is there column 7 >— VES (To p-ge 6-4) v‘rs (GRNIVEL) Ll erc soLENoID r VALVE connscron Rep-Ir open in tho GRNIVEL wlre between the ECM (AI 5) and erc :uIlII d vulva connlnor. WIIE SIDE OF FEMALE 6 TERMINALS (com’dl 6-3