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2004 honda civic ex 1 7 vtec ecu solenoid for the problem

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2004 Honda Element EX ROCKER ARM OIL PRESSURE SWITCH (VTEC OIL PRESSURE SWITCH) CIRCUIT HIGH VOLTAGE MANUAL

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1. Check the engine oil level. Is the level OK? YES- Go to step 2 . NO- Adjust the engine oil to the proper level, then go to step 14 . 2. Turn the ignition switch ON (II). 3. Clear the DTC with the HDS. 4. Do the VTEC TEST in the INSPECTION MENU with the HDS. Is the result OK? YES- Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at the rocker arm oil pressure switch (VTEC oil pressure switch) and the ECM/PCM. NO- Go to step 5 . 5. Check the result of step 4 . * Rocker Arm Oil Pressure Switch (VTEC Oil Pressure Switch) Failure * Rocker Arm Oil Pressure Switch (VTEC Oil Pressure Switch) Open * Rocker Arm Oil Pressure Switch (VTEC Oil Pressure Switch) SIG Line Open * Rocker Arm Oil Pressure Switch (VTEC Oil Pressure Switch) GND Line Open Is the test result any of the above? YES- Go to step 6 . NO- Check for poor connections or loose terminals at the rocker arm oil pressure switch (VTEC oil pressure switch). If it is OK, replace the rocker arm oil control solenoid (VTEC solenoid valve) (see step CMP SENSOR A REPLACEMENT ), then go to 14 . 6. Turn the ignition switch OFF. 7. Disconnect the rocker arm oil pressure switch (VTEC oil pressure switch) 2P connector. 8. Check for continuity between rocker arm oil pressure switch (VTEC oil pressure switch) 2P connector terminals No. 1 and No. 2 Fig. 16: Checking Continuity Between Rocker Arm Oil Pressure Switch 2P Connector Terminals Courtesy of AMERICAN HONDA MOTOR CO., INC. Is there continuity? YES- Go to step 9 . NO- Replace the rocker arm oil pressure switch (VTEC oil pressure switch) (see ROCKER ARM OIL PRESSURE SWITCH (VTEC OIL PRESSURE SWITCH) REMOVAL/INSTALLATION ), then go to step 13 . 9. Turn the ignition switch ON (II). 10. Measure voltage between rocker arm oil pressure switch (VTEC oil pressure switch) 2P connector terminal No. 1 and body ground

1991 Honda Civic Si FUSES AND CIRCUIT BREAKERS Identification

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IDENTIFICATION FUSE PANEL LOCATION The fuse box is located under dashboard on driver’s side. Underhood fuse panel is located in engine compartment beside battery. Cars equipped with anti-lock brake system have a third fuse box for ABS in front of the engine compartment on passenger’s side. FUSE PANEL IDENTIFICATION (1988-91) Fig. 1: Fuse Panel Identification (1988-91) Courtesy of AMERICAN HONDA MOTOR CO., INC. Fuse & Circuit Breaker Identification z 1 – 10 Amp Integrated Control Unit, Combination Switch, Gauge Assembly, Back-Up Lights Switch, Shift Position Console Switch, Clock (1990) , Shift Lock Solenoid (1990) , Interlock Control Unit (1990) , 1991 Honda Civic Si FUSES & CIRCUIT BREAKERS’ ‘Fuses & Circuit Breakers 1988-91 Honda 1991 Honda Civic Si FUSES & CIRCUIT BREAKERS’ ‘Fuses & Circuit Breakers 1988-91 Automatic Seat Belts (If Equipped) z 2 – 10 Amp Starter Solenoid, PGM-FI Main Relay, PGM-FI Electronic Control Unit, Integrated Control Unit z 3 – 20 Amp Power Door Locks (If Equipped) z 4 – 10 Amp Right Headlight High Beam, High Beam Indicator Light, Daytime Running Lights Relay (Canada) z 5 – 10 Amp Left Headlight High Beam z 6 – 30 Amp Sun Roof Motor (If Equipped) z 7 – 10 Amp Rear Lights (Canada Only) z 8 – 10 Amp Integrated Control Unit, Interior & Exterior Lighting z 9 – Blank z 10 – 10 Amp Left Headlight Low Beam z 11 – 10 Amp Right Headlight Low Beam z 12 – 15 Amp Integrated Control Unit, Luggage Compartment Light, Dome Light, Ignition Switch, Clock, Radio, Cigarette Lighter z 13 – 15/20 Amp Power Windows, Windshield Wipers & Washer, Sun Roof Relay (1990), Integrated Control Unit (Canada), Combination Switch (1990 CRX) z 14 – 10 Amp Gauge Assembly, Engine Sensors & Controls, PGM-FI Main Relay (Wagon & CRX Only), PGM-FI ECU (Wagon & CRX Only), Fuel Pump (Wagon & CRX Only), ELD Unit (Wagon & CRX Only), EACV (Wagon & CRX Only) z 15 – 15 Amp Cooling Fan Motor (Except 4WD A/T Wagon), Cooling Fan Relay z 16 – 10 Amp Daytime Running Lights (Canada Only) z 17 – 10 Amp Radio, Cigarette Lighter Relay (1990 only) z 18 – 10 Amp Rear Window Defogger, Power Door Mirrors, Air Conditioning z 19 – 30 Amp Blower Motor z 20 – 20 Amp Right Front Power Window z 21 – 20 Amp Left Front Power Window z 22 – 20 Amp Right Rear Power Window z 23 – 20 Amp Left Rear Power Window UNDERHOOD FUSE PANEL IDENTIFICATION (1988-91)

2004 Chevrolet Chevy K Silverado – 4WD Evaporative Emission (EVAP) Canister Vent Solenoid Valve Replacement Pickup

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Evaporative Emission (EVAP) Canister Vent Solenoid Valve Replacement Pickup Removal Procedure Important Clean the evaporative emission (EVAP) connections and surrounding areas prior to disconnecting the fittings in order to avoid possible system contamination. 1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information. 2. Remove the harness clip from the canister vent solenoid (CVS) line. 3. Disconnect the CVS electrical connector. 2004 Chevrolet Chevy K Silverado – 4WD 4. If the vehicle is equipped with a 6 ft box, disconnect the EVAP CVS line from the canister. 5. Remove the CVS clip from the frame crossmember. 6. Push in the retainer and remove the CVS from the fuel tank clip. 7. If the vehicle is equipped with a 8 ft box, disconnect the EVAP CVS line from the canister. 8. Remove the CVS clip from the frame crossmember. 9. Push in the retainer and remove the CVS from the fuel tank clip. Installation Procedure 1. If the vehicle is equipped with a 8 ft box, install the CVS to the fuel tank until the clip engages. Important On vehicles equipped with a 8 ft box, the CVS line is routed below the frame crossmember. 2. Install the CVS clip to the frame crossmember. 3. Connect the EVAP CVS line to the canister. 4. If the vehicle is equipped with a 6 ft box, install the CVS to the fuel tank until the clip engages. Important On vehicles equipped with a 6 ft box, the CVS line is routed above the frame crossmember. 5. Install the CVS clip to the frame crossmember. 6. Connect the EVAP CVS line to the canister. 7. Connect the CVS electrical connector. 8. Install the harness clip to the canister vent solenoid (CVS) line. 9. Lower the vehicle.

1996-2000 Honda Civic Door Panel REMOVAL And INSTALLATION Manual

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Honda Door Panel 96-00 Civic REMOVAL & INSTALLATION Remove the screw from behind the interior door handle Slide out the door handle trim as shown Removing the door panel from the passenger side door View of the inside of the door, panel removed 1. Remove the screw from the door handle trim. 2. Slide the handle assembly forward and out to access the lock rod clip. 3. Release the clip 4. Disconnect the door lock switch 5. Remove the door opener handle assembly. 6. Carefully pry at the small opening on the bottom of the speaker grill. 7. Remove the speaker grille. 8. Remove the speaker mounting screws. 9. Detach the electrical connector and remove the speaker. 10. Remove the screws in the armrest. 11. Remove the center from the trim clip at the upper front of the door panel and remove the clip. 12. Using a suitable trim panel removal tool, unsnap the door panel from the door frame. 13. Carefully lift the door panel up and away from the door frame. To install: 14. Installation is the reverse of the removal procedure. Honda Civic/Del Sol 1996-2000 Electric Window Motor REMOVAL & INSTALLATION 1. Remove the regulator from the door assembly. 2. Except for the rear doors, drill a hole through the regulator sector gear and backplate. Install the bolt and nut to lock the sector gear in position. Be careful not to drill a hole closer than 7/ 16 in. (11mm) from the edge of the sector. Also, do not drill through the lift arm attaching portion of the sector gear, or the joint integrity will be jeopardized. 3. Drill out the ends of the motor attaching rivets using a 1/ 4 in. (6mm) bit. 4. Remove the motor and the remaining portions of the rivets from the regulator. Except for the rear doors, one rivet will not be accessible until assembly. Regulator and motor assembly—except rear doors Secure the rivets by collapsing the rivet ends using a ball peen hammer To install: 5. Position the new motor to the regulator. With the aid of an assistant, install new rivets by collapsing or crushing the rivet ends using a ball peen hammer. 6. Except for the rear doors, once two of the three rivets have been installed, remove the bolt securing the sector gear to the backplate, then use an appropriate electrical source (such as the vehicle’s window motor harness) to rotate the regulator, providing access to the remaining rivet. 7. Except for the rear doors, use a flat nosed rotary file to grind off one sector gear tooth from the side which does not contact the driven gear. This is necessary to reach the remaining rivet. Remove the old rivet, then install the remaining new rivet. 8. Install the regulator to the door assembly.

1984-1995 Honda Civic/ CRX Positive Crankcase Ventilation (PCV) System Repair Manual

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The PCV system is designed to prevent blow-by gas from escaping to the atmosphere by drawing it directly into the intake manifold. The PCV valve contains a spring-loaded plunger which is lifted in proportion to intake manifold vacuum. Under high vacuum, blow-by is returned directly to the manifold through the breather chamber and PCV valve with fresh air. When intake manifold vacuum decreases (wide open throttle) and vacuum in the air cleaner increases, the PCV valve closes and the blow-by is returned through the cylinder head cover breather hose and into the air cleaner. The PCV valve also acts as a check valve when the engine backfires to prevent crankcase explosion. Fig. 1: PCV system components-1984-87 1.5L engines Fig. 2: PCV system components-1988-91 1.6L engines Fig. 3: PCV system components-1992-95 engines Fig. 4: PCV system components-1984-87 carbureted engines SERVICE Positive Crankcase Ventilation (PCV) Valve For PCV valve removal, refer to Routine Maintenance of this information. 1. Locate the PCV valve. With the engine running at idle, use pliers to pinch the PCV hose between the valve and the intake manifold. It should be possible to hear the spring loaded valve click shut. 2. If no click is heard, remove the valve from the engine but leave it connected to the intake manifold. A hissing sound should be heard and vacuum should be felt at the valve inlet. 3. If no vacuum is felt, remove the valve from the intake manifold hose. The engine should stall or almost stall. This will indicate a stuck valve or clogged hose. Check the breather hose for clogging or leaks and replace any defective parts. Exhaust Gas Recirculation (EGR) System FUEL INJECTED ENGINES General Information See Figure 3 The Exhaust Gas Recirculation (EGR) system is used to control emissions measured at the tailpipe. Components included are the EGR valve and controls. The EGR system uses a poppet type valve to regulate the amount of exhaust gas flowing into the intake manifold. The flow path is cast into the cylinder head and does not use any external tubing. A control solenoid valve regulates the amount of vacuum to the EGR valve. A Constant Volume Control (CVC) valve provides a constant amount of vacuum to the control solenoid valve over a wide range of engine vacuum. When servicing or repairing any part of the emissions system, it is absolutely essential to check for any obvious mechanical faults or failures. Remember, a trouble code only indicates which sensor or circuit is affected by the problem. Simple mechanical faults such as a vacuum leak or poor electrical connection can cause a fault code. The EGR valve is not simply open or closed but is modulated by controlling the amount of engine vacuum to the valve diaphragm, up to a maximum of 8 in. Hg of vacuum. The EGR valve has a sensor in the top of the valve that reports valve lift to the ECU (same as ECM, 1992-95). The ECU modulates the position of the control solenoid valve to control the EGR valve lift according to an internal program. Upstream of the control solenoid valve, the CVC provides a constant supply of vacuum so EGR control is precise under all manifold vacuum conditions