91 olds 98 passkey fault how to bypass

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VP44 Fuel Pump Can Not Reach Commanded Timing

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Filed Under (More Manuals) by admin on 23-01-2011

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check to see if the fault code is active at engine start-up. Conditions Turn keyswitch ON. Action Check to see if the fault code is active at engine start-up. Use INSITE™ electronic service tool to read active fault codes. Note: If Fault Code 368 is inactive, but other fault codes are active, troubleshoot the active fault codes. OK NOT OK Fault Code 368 inactive Fault Code 368 active and no other active fault codes present Applicable fault code(s) Go to 2A Guided Step 2 – Perform low pressure system checks. Guided Step 2A – Record findings for inlet restriction. Conditions Turn keyswitch OFF. Action Install a restriction gauge at the lift pump inlet. Install a pressure gauge at the fuel filter inlet. Refer to Procedure 005-045 (Fuel Lift Pump) in Section 5 in the Troubleshooting and Repair Manual, ISB and QSB5.9 Engines, Bulletin 3666193. Install a clear line at the fuel filter outlet and run the line into a bucket. With gauges and the clear line in place, bump the starter and leave the keyswitch ON. The lift pump will run for 25 to 30 seconds. While the
lift pump is running, record the inlet restriction. Note: Steps 2A through 2D can be observed and recorded with a single bump of the starter. OK NOT OK Restriction less than 152 mm Hg [6 in Hg] Inlet restriction greater than 152 mm Hg [6 in Hg] Find source of excessive restriction between the lift pump inlet and fuel tank. Fix the source of excessive restriction

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2004 Ford Explorer/Mountaineer Anti-Lock Brake System (ABS) Module Diagnostic Trouble Code (DTC) Index Repair Manual

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Filed Under (Ford Manuals) by admin on 20-05-2011

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C1963 Stability Control Inhibit Warning ABS Module This DTC is for information only. CLEAR the DTC. REPEAT the self-test. C1991 Module Calibration Failure ABS Module Follow the diagnostic tool directions for the calibration procedure. C1996 Active Yaw Control Disabled ABS Module This DTC will be set if the stability assist system is activated for 15 seconds of continuous operation. CHECK for any major chassis modifications, gross suspension misalignment, or other items that can alter the vehicle tracking dynamics. CLEAR the DTC. REPEAT the self-test. C1998 Module Calibration Not Complete ABS Module Go To Pinpoint Test Q . C2769 (ABS only) Longitudinal Acceleration Sensor Circuit Failure ABS Module CLEAR the DTC. REPEAT the self-test. If DTC C2769 is present, INSTALL a new ABS module. REFER to Anti-Lock Brake System (ABS) Module in this section. C2769 (ABS with stability assist) Longitudinal Acceleration Sensor Circuit Failure ABS Module Go To Pinpoint Test H . C2770 (ABS with Stability Assist) Longitudinal Acceleration Sensor Signal Fault ABS Module Go To Pinpoint Test H . C2770 (ABS only) Longitudinal Acceleration Sensor Signal Fault ABS Module CLEAR the DTC. REPEAT the self-test. If DTC C2770 is present, INSTALL a new ABS module. REFER to Anti-Lock Brake System (ABS) Module in this section. C2777 Sensor Cluster Bus Failure ABS Module Go To Pinpoint Test H . C2778 Sensor Cluster Power Supply Failure ABS Module Go To Pinpoint Test H . U1900 CAN Communication Bus Fault-Receive Error Network Fault Section 418-00 . U1901 CAN Network #2 Communication Bus Fault- Receive Error Network Fault Go To Pinpoint Test H . U2023 Fault received from external node Network Fault Section 418-00

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How to bypass the VATS (PASSKey II) system in a late model GM vehicle

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Filed Under (More Manuals) by admin on 16-09-2011

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Pontiac 1994-1996 Grand Prix 1992-1999 Bonneville 1993-2002 Firebird/Trans Am/Firehawk Buick 1994-1996 Regal 1992-1999 LeSabre 1991-1996 Park Avenue 1991-1996 Roadmaster Oldsmobile 1994-1997 Cutlass Supreme 1992-1999 Eighty Eight/LSS/Ninety Eight/Regency 1991-1996 Custom Cruiser Wagon Chevrolet 1995-1999 Monte Carlo 1995-2001 Lumina 1993-2002 Camaro 1986(?)-1996 Corvette (C4) Cadillac How to bypass the VATS system in a late model GM vehicle Bullet-Style” solderless connectors Heat Shrink Tubing Resistors of varying values (totalling the resistance measured across the key’s “pellet”) Alright, let’s begin the madness: 1. Take your DMM, set it to measure Ohms (use the 20k setting.) Measure the resistance across the pellet of the ignition key. Place one probe on the silver part of one side of the pellet, and the other probe on the other side. Write this value down. 2. Purchase a resistor or resistors that add up to the value measured in step 1. Radio Shack is a great place to go for the resistors, heat shrink tubing, and the “bullet-style” solderless connectors. 3. Take the 16 ga. wire and cut into 2 four-inch pieces. 4. Strip off approx 1/16″ of insulation off each side of both wire pieces. 5. Put your resistors together in series (or if you’re lucky and have a chip that has a resistance that matches a single resistor) and solder one wire to one end of the resistor(s) and the other wire to the other side. Example: You measure 11.72 on the 20k (k meaning kilo or 1,000) scale. The closest match is 11.801 which is a #15 “chip.” Always remember that resistors have a tolerance of 2%, meaning the resistance value of the “pellet” can be either 2% higher or 2% lower than 11.801 k ohms (11.72 falls in tolerance range.) You will want to aim for 11,801 ohms. So when you go to Radio Shack you want to pick up a 10,000 ohm (10k,) a 1,000 ohm (1k,) and an 800 ohm resistors to wire together in series to achieve the 11.801k ohm value.

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2000 Ford Pickup F250 Super Duty TEST DE: EXHAUST BACKPRESSURE (EBP) SENSOR

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Filed Under (Ford Manuals) by admin on 10-01-2012

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DTC P0470 This DTC indicates PCM detected EBP sensor malfunction during KOEO ON-DEMAND SELF-TEST. Possible causes for this DTC are: Faulty EBP Sensor • Open Or Shorted Circuit • Faulty PCM • Ensure scan tool is connected to Data Link Connector (DLC). Using scan tool, select EBP PID from PID/DATA monitor menu. If EBP reading is less than 18.5 psi, clear DTCs. Repeat KOEO ON-DEMAND SELF-TEST . If DTC is still present, replace PCM. If EBP reading is 18.5 psi or more, go to next step. 2) Check Signal Ground Circuit Turn ignition off. Disconnect EBP sensor connector. Sensor is located on top front of engine. Inspect for damaged pins, corrosion and loose wires. Repair as necessary. Measure resistance between ground and Gray/Red wire at EBP sensor wiring harness connector. See Fig. 11 . If resistance is less than 5 ohms, replace EBP sensor. If resistance is 5 ohms or more, locate and repair open circuit in Gray/Red wire. 3) Continuous DTC P0470 This DTC indicates PCM detected a EBP sensor malfunction during normal driving conditions. Possible causes for this DTC are: Faulty EBP Sensor • Faulty Connection • Faulty PCM • Ensure scan tool is connected to Data Link Connector (DLC). Using scan tool, select EBP PID from PID/DATA monitor menu. While observing EBP PID, wiggle and bend small sections of wiring harness starting at EBP sensor connector and working toward PCM. If EBP reading fluctuates, isolate fault and repair as necessary. If reading does not fluctuate, go to next step. 4) Check Connector Disconnect EBP sensor connector. Sensor is located on top front of engine. Disconnect PCM 104-pin connector. Inspect connectors for damaged pins, corrosion and loose wires. Repair as necessary. Clear DTCs and repeat QUICK TEST . If both connectors are okay, no problem is indicted at this time. 5) DTC P0471 This DTC indicates PCM detected an EBP sensor malfunction during normal driving conditions and with EBP sensor enabled. Possible causes for this DTC are: Faulty EBP Sensor. • Plugged Or Restricted Sensor Supply Tube • Damaged Exhaust Pressure Regulator (EPR) Linkage Or Butterfly Damage • Faulty PCM • Perform KOER ON-DEMAND SELF-TEST . If any DTCs are present, repair fault(s) before continuing with this test. Using scan tool, select EBP PID from PID/DATA monitor menu. Road test vehicle performing hard accelerations while monitoring EBP PID. If EBP reading increases to more than 25 psi with EBP sensor on, no problem is indicated at this time. If EBP reading does not increase to more than 25 psi, go to next step

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2003 BMW 525I 2.5L Check engine light on and fault codes stored Vehicle running normally

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Filed Under (Bmw Manuals) by admin on 01-05-2012

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1. Based upon stored fault codes for secondary air system, there is little or no flow of secondary air into engine. Typical causes for this issue are failed secondary air pumps and/or secondary air check valves. Secondary air pump should operate under normal circumstances when vehicle is first started to perform system test. Pump will normally be heard running when standing in front right corner of vehicle. 2. The secondary air pump is located in the right front of engine compartment. A secondary air pump relay located in the glove box is controlled by the engine control module and sends power to the secondary air pump. 3. Air pump can be disconnected and supplied with power and ground at pump to verify operation is possible. 4. Check valve on front right of cylinder head can be supplied with vacuum and visually checked for opening of valve. 5. Vacuum line from check valve to operating solenoid should also be inspected for cracks or being disconnected. Vacuum line follows right side of cylinder head to back of cylinder head to the secondary air solenoid located under left rear side of intake manifold. 6. The solenoid should allow vacuum flow to the check valve during vacuum pump operation. The solenoid is controlled directly by the engine control module and receives power during key-on-engine-off. Potential Causes: A.I.R. Check Valve Engine Control Module (ECM) Codes — Engine control module fault. Defective Secondary Air Pump Secondary Air Pump Relay Secondary Air Supply Hose Broken Vacuum Line Diagnostic Codes: P0491, P0492 Author: Robert Jacobs Average Reported Mileage: 69066

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2002 BMW 325I 2.5L Air Pump Repair manual

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Filed Under (Bmw Manuals) by admin on 05-02-2012

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Check engine light on and fault codes stored. Vehicle running normally. Tests/Procedures: 1. Based upon stored fault codes for secondary air system, there is little or no flow of secondary air into engine. Typical causes for this issue are failed secondary air pumps and/or secondary air check valves. Secondary air pump should operate under normal circumstances when vehicle is first started to perform system test. Pump will normally be heard running when standing in front right corner of vehicle. 2. The secondary air pump is located in the right front of engine compartment. A secondary air pump relay located in the glove box is controlled by the engine control module and sends power to the secondary air pump. 3. Air pump can be disconnected and supplied with power and ground at pump to verify operation is possible. 4. Check valve on front right of cylinder head can be supplied with vacuum and visually checked for opening of valve. 5. Vacuum line from check valve to operating solenoid should also be inspected for cracks or being disconnected. Vacuum line follows right side of cylinder head to back of cylinder head to the secondary air solenoid located under left rear side of intake manifold. 6. The solenoid should allow vacuum flow to the check valve during vacuum pump operation. The solenoid is controlled directly by the engine control module and receives power during key-on-engine-off. Potential Causes: A.I.R. Check Valve Engine Control Module (ECM) Codes — Engine control module fault. Defective Secondary Air Pump Secondary Air Pump Relay Secondary Air Supply Hose Broken Vacuum Line

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2000-2002 Toyota Corolla, Celica, MR2 Spyder, and ECHO DTC P1349 – VVTi ACTUATOR Repair Manual

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Filed Under (Toyota Manuals) by admin on 27-04-2012

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TC P1349 – VVTi ACTUATOR – EG009-03 May 19, 2003 Page 3 of 4 1. Inspect the condition of the valve cover oil baffle as per TSB EG007-02. If camshaft or camshaft position sensor damage resulting from a bent baffle is identified, repair the damage as necessary. 2. Make sure the vehicle is in “PARK” with the engine idling. 3. Referring to the screen flow below, connect the Toyota Diagnostic Tester to the vehicle and select the VVT Control Bank One Active Test (VVT CTRL B1) from the Active Test Menu. 1: DATA LIST 2: DTC INFO 3: 4: SNAPSHOT 5: SYSTEM CHECK 6: RESET MEMORY 7: MONITOR INFO 8: CHECK MODE SELECT DATA B DIAGNOSTIC MENU ENGINE A C INJ VOL A/F CONTROL CAN CTRL VSV TANK BYPASS VSV EVAP VSV (ALONE) A/C MAG CLUTCH FUEL PUMP/SPD LINE PRESS UP VVT CTRL B1 Confirm that the Vehicle is Stopped And Engine Idling 3: ACTIVE TEST PRESS [ENTER] INJECTOR 3.5ms IGN ADVANCE 11.0deg CALC LOAD 22% MAF 3.68gm/s ENGINE SPD 684rpm COOLANT TEMP186.8F INTAKE AIR 129.2F THROTTLE POS 14% CTP SW ON VEHICLE SPEED0MPH O2S B1S2 0.82V AFS B1 S1 3.25V SHORT FT #1 1.5% LONG FT #1 5.4% TOTAL FT #1 1.08 E D VVT CTRL B1 OFF INJECTOR 8.3ms IGN ADVANCE 5.0deg CALC LOAD 0% MAF 0.00gm/s ENGINE SPD 0rpm COOLANT TEMP186.8F INTAKE AIR 129.2F THROTTLE POS 14% CTP SW ON VEHICLE SPEED0MPH O2S B1S2 0.33V AFS B1 S1 3.29V SHORT FT #1 -0.1% LONG FT #1 5.4% TOTAL FT #1 1.08 VVT CTRL B1 ON 4. Using the right arrow key, toggle the VVTi actuator “ON.” 5. If at this point the vehicle does not run rough and/or stalls when the active test is performed, proceed with Repair Manual P1349 VVTi Fault Isolation Procedure (FIP). If the vehicle does stall and/or runs rough, this indicates the the VVTi control system is operating. Proceed to replace the VVTi actuator following the repair procedures listed on the Technical Information System (TIS): Engine Mechanical Section, Camshaft, Replacement The camshaft timing gear should come in the unlocked position from the factory. If it is difficult to install the camshaft timing gear, the lock pin may be engaged. To disengage the lock pin, apply and hold approximately 20 psi of air pressure at the oil feed hole located 90 degrees clockwise of the oval slot. (See Figure 1.) Once the pin has released, turn the interior assembly counterclockwise. (See black arrow in Figure 1.) B. Put the camshaft timing gear assembly and the camshaft together with the straight pin off the key groove. C. Turn the camshaft timing gear assembly (as shown in Figure 2) while pushing it lightly against the camshaft. Push further at the position where the pin fits into the groove. NOTE: Be sure not to turn the camshaft timing gear to the retard angle side (in the clockwise direction). D. Check that there is no clearance between the end of the camshaft and the camshaft timing gear. E. Tighten the camshaft bolt with the camshaft timing gear fixed. Torque: 54 Nm (551 kgfcm, 40 ftlbf) F. Check that the camshaft timing gear assembly can move to either side and is not locked

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Troubleshooting and Resolving Water Leaks for FUNSPORT Sunroofs

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Filed Under (More Manuals) by admin on 13-03-2012

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1. Opening the sunroof, just after it rains. Standing water on the glass will usually result in water dripping into the cabin. This is not a sunroof fault. Prevention is the solution! Simply drive a short distance to allow any standing water to blow off the glass prior to opening the sunroof. 2. Only after a car wash. High pressure water sprayed directly at the seal will often deflect the seal enough to enter the cabin. This is not a sunroof fault. Prevention is the solution! Don’t spray high pressure water directly on the seal. 3. During a rainstorm, water is immediately visible dripping on the rubber seal under the glass. There may be a problem with glass to seal contact. Carefully examine the seal. If it is visibly damaged or worn, it may need replacement. If dirty, it needs cleaning. An adjustment may solve the problem. Always water test to verify (see sprinkle test procedure below). a. Often dirt or debris will prevent proper contact between the glass and seal. Clean both the glass and seal with plain water (a damp cloth), or if very dirty, a mild detergent solution. Repeat water test after cleaning. If water intrusion between glass and seal continues, adjust the glass hardware. b. Adjust the glass hardware to increase clamping pressure on the seal. See procedure below. Repeat water test after adjusting. If water intrusion between glass and seal continues, replace seal. 4. Water is visible dripping through the glass hardware: Water test to verify (soak and sprinkle). You may need to slightly shift the glass hardware or change the rubber gaskets under the rectangular mounting plates. 5. After a long soaking rain the headliner gets wet. This is likely the result of water coming under the main frame or under the seal. Only a soak test will prove this. a. Under the main frame: remove the screw cover strip or pull back the headliner (of wrapped) and examine the clamping screws. Water spots or rusty screws are an indication that water is coming under the main frame. Remove the clamp frame and water spots or rust will likely be visible on the inside of the roofskin. This can be the result of an over-cut hole, a sunroof not centered on the hole (left a gap) or inadequate sealant. Solution: Remove the sunroof and re-install with new sealant. If the hole was over-cut, a larger size may be required. b. Underneath the main seal: carefully examine and verify proper seal insertion around perimeter of sunroof frame. Bottom of seal should be adhered to main frame with butyl tape. Top outer lip should be mechanically inserted into groove in frame. You may be able to manipulate the seal slightly to correct the problem. Otherwise replace the seal. c. Frame joint: typically will see water spots or rust on hinge block and handle mounting screws, particularly on the right hand side. Remove the knock-in bead and examine the channel for water or water spots. Solution: pull back the main seal at the passenger side and apply a small amount of silicone sealant across the frame joint. Allow to dry before reinserting the main seal.

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1996 Chevrolet Chevy K Pickup – 4WD Ignition Coil Control Circuit High Voltage

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Filed Under (Chevrolet Manuals) by admin on 01-06-2011

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Conditions for Setting the DTC The voltage on the ignition control circuit exceeds 4.9 volts, and the engine speed is less than 250 RPM. Action Taken When The DTC Sets Conditions for Clearing the MIL/DTC The VCM turns OFF the MIL after 3 consecutive driving trips without a fault condition present. A history DTC will clear if no fault conditions have been detected for 40 warm-up cycles (the coolant temperature has risen 22°C (40°F) from the start-up coolant temperature and the engine coolant temperature exceeds 71°C (160°F) during that same ignition cycle) or the scan tool clearing feature has been used. Diagnostic Aids A poor connection, a rubbed through wire in the insulation, or a wire broken inside the insulation will cause an intermittent. Check for the following conditions: Test Description The numbers below refer to the step numbers in the diagnostic table. 2. This determines if the DTC is an intermittent. 3. This check determines if the IC signal from the VCM is available at the ignition coil driver. 4. The remaining tests begin to check that the coil driver circuitry is OK. • The VCM turns the MIL ON when this DTC is reported and one failure has occurred. • The VCM records the operating conditions at the time the Diagnostic Fails. Freeze Frame and Failure Records store this information. • Poor connection • Damaged harness: Inspect the VCM harness connectors for the following conditions: – Backed out terminal C3 pin 9 – Improper mating – Broken locks – Improperly formed or damaged terminals – A poor terminal to wire connection and – Damage to the harness. • Intermittent test – If the connections and the harness check OK, monitor a digital voltmeter connected between VCM connector C3 pin 9 and C4 pin 18 while moving related connectors and wiring harness. If the failure is induced, the voltage reading will change. This may help to isolate the location of the malfunction.

2002 Mercury Sable V6-3.0L VIN 2 Flex Fuel Repair Manual

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Filed Under (Mercury Manuals) by admin on 14-07-2012

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Automatic Transmission/Transaxle Tune-Up B 0.0 1.5 Notes Includes: R&R Trans Pan, Service Filter And Make All Necessary Adjustments. Diagnose/Test AX4N/4F50N Oil Leak, Diagnosis B 0.0 0.5 Notes Includes: Clean And Dry Outside Of Case And Operating Unit To Determine Point Of Leakage. Transaxle, Diagnosis A 0.0 1.8 Notes Includes: Time To Hook-Up And Disconnect Test Equipment. Checking System For Fault Codes, Road Test And Hydraulic Pressure Test As Required. AXOD-E, AX4S Oil Leak, Diagnosis B 0.0 0.5 Notes Includes: Clean And Dry Outside Of Case And Operating Unit To Determine Point Of Leakage. Transaxle, Diagnosis A 0.0 1.8 Notes Includes: Time To Hook-Up And Disconnect Test Equipment. Checking System For Fault Codes, Road Test And Hydraulic Pressure Test As Required. Replace AX4N/4F50N Complete Assembly Without Transfer Of Parts B 5.0 7.3 Notes NOTE To R&R Driveplate, Add B 0.0 0.2 Notes To R&R Torque

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