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1999 Jeep Grand Cherokee Limited AUTOMATIC TRANSMISSIONS Chrysler 45RFE Electronic Controls Repair Manual

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Filed Under (Jeep Manuals) by admin on 11-07-2012

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INTERNAL TCM Circuit Description The TCM is reporting internal errors. Diagnostic Procedure 1. Turn ignition switch to LOCK position. Remove transmission control relay. Measure resistance between ground and relay ground circuit (Black/Yellow wire) in relay connector. If resistance is greater than 5 ohms, repair open circuit. If resistance s not greater than 5 ohms, go to next step. 2. The TCM has an internal problem and must be replaced. P0715: INPUT SPEED SENSOR ERROR Circuit Description DTC P0715 will set if an excessive change in input RPM has been detected in any gear. Possible Causes * Intermittent wiring and connector problems. * Faulty input speed sensor. * Input speed sensor circuits shorted to ground, shorted to voltage, or open. * Faulty TCM. Diagnostic Procedure 1. Place gear selector in “P” position and start engine. Using scan tool, monitor input speed sensor value. If value is less than 400 RPM, go to next step. If value is not less than 400 RPM, go to step 9. 2. Turn ignition switch to LOCK position. Install Transmission Simulator (8333). Turn ignition on. Using transmission simulator, turn rotary knob to middle (1000/3000) position. Turn INPUT/OUTPUT switch on. Using scan tool, monitor input and output speed sensor values. If input speed sensor value is 2950- 3050 RPM and output speed sensor value is 950-1050 RPM, replace input speed sensor. If speed sensor values are not as specified, go to next step. 3. Turn ignition switch to LOCK position. Disconnect TCM harness connector. Remove transmission control relay. Using fused jumper wire, jumper fused B+ circuit (Red/White wire) and transmission relay output circuit (Red wire) together at relay connector. Turn ignition on. Measure voltage between ground and input speed sensor signal circuit (Red/Black wire) at TCM harness connector. If voltage is greater than 3 volts, repair circuit for short to voltage. If voltage is not greater than 3 volts, remove jumper wire, install relay and go to next step. 4. Turn ignition switch to LOCK position. Disconnect input speed sensor harness connector. Measure resistance of input speed sensor signal circuit (Red/Black wire) between TCM and input speed sensor. If resistance is greater than 5 ohms, repair open circuit. If resistance is not greater than 5 ohms, go to next step. 5. Measure resistance of input speed sensor ground circuit (Dark Blue/Black wire) between TCM and input

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3406E Truck Engine Installation OR Removal Of The Speed/ Timing Sensor

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Filed Under (More Manuals) by admin on 22-06-2012

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1. Disconnect the speed/timing connector “P9/J9″ (2) . Inspect the connector for the following conditions. * Corrosion * Bent pins * Missing pins * Damaged sockets * Mismating * Broken wires 2. Remove the Speed/timing sensor (1) from the front gear cover. 3. Examine the plastic end of the sensor for signs of wear or contaminants such as metal filings. The plastic end of the speed/timing sensor should have no contaminants and should show no wear (greater than 0.051 mm (0.0020 inch) from the face) . 4. Use a screwdriver to carefully pry the plastic sensor end to the fully extended position (approximately 4.775 mm (0.1880 inch) beyond the metal housing of the sensor). 5. Gently push in on the plastic end of the sensor. The plastic end should be firm. The plastic end should resist movement in the retract direction. If there is no resistance replace the sensor 6. Remove the two bolts (3) and remove the cover (5) from the flywheel housing. This hole is used for engine turning. 7. Put one bolt (3) in the timing bolt location (4) . The timing bolt location is approximately 127 mm to 152 mm (5 inch to 6 inch) above the hole in the flywheel housing for engine turning. I 8. Use 9S-9082 Engine Turning Tool (6) and a 1/2 inch drive ratchet wrench to turn the engine flywheel in the direction of normal engine rotation. The normal engine rotation is in a counterclockwise direction when viewed from the flywheel end. Turn the engine flywheel until the timing bolt engages with the threaded hole in the flywheel. Note: Visually check the location of the tooth on the wheel on which the speed/timing sensor is to be positioned. The end of the sensor must be in alignment with a tooth on the wheel and not in alignment with the valley of the wheel. Note: The No. 1 piston must be at either top center of the compression stroke or at top center of the exhaust stroke. 9. Inspect the speed/timing sensor before installation. Use steps 3 through step 6 to inspect the sensor. 10. If the sensor end is not fully extended, use a screwdriver to carefully pry the plastic sensor end to the fully EXTENDED position approximately 4.775 mm (0.1880 inch) beyond the metal housing of the sensor.

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1991-1992 Toyota MR2 Turbo, 1990-1992 Toyota Celica All Trac ECU Pinout Diagram

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Filed Under (Toyota Manuals) by admin on 21-09-2011

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Connector A Pin # Name Function Signal Type A13 Power Ground Chassis ground Ground A14 Power Ground Chassis ground Ground A20 Ignition Control Module Engine speed Speed A26 Power Ground Chassis ground Ground Connector B Pin # Name Function Signal Type B3 Intake Air Temperature Sensor Air temperature sensor signal Analog B4 Engine Coolant Temperature Sensor Engine coolant temperature sensor signal Analog B5 Knock Sensor Engine knock sensor Knock, Audio B6 Primary 02 Sensor Primary oxygen sensor signal Analog B11 Throttle Position Sensor Throttle position sensor signal Analog B13 MAP Sensor Manifold absolute pressure sensor signal Map min: 4.89 Map max: 1.09 Analog Connector D Pin # Name Function Signal Type D1 Voltage Back Up Permanent 12V Power D4 Brake Switch Brake switch signal Analog D9 Vehicle Speed Sensor Vehicle speed sensor signal Speed D12 Power Source 12V switched Power D13 Power Source 12V switched Power

1991-1992 Toyota MR2 Turbo 1990-1992 Toyota Celica All Trac ECU Pinout Diagram

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Filed Under (Toyota Manuals) by admin on 18-04-2012

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A13 Power Ground Chassis ground Ground A14 Power Ground Chassis ground Ground A20 Ignition Control Module Engine speed Speed A26 Power Ground Chassis ground Ground Connector B Pin # Name Function Signal Type B3 Intake Air Temperature Sensor Air temperature sensor signal Analog B4 Engine Coolant Temperature Sensor Engine coolant temperature sensor signal Analog B5 Knock Sensor Engine knock sensor Knock, Audio B6 Primary 02 Sensor Primary oxygen sensor signal Analog B11 Throttle Position Sensor Throttle position sensor signal Analog B13 MAP Sensor Manifold absolute pressure sensor signal Map min: 4.89 Map max: 1.09 Analog Connector D Pin # Name Function Signal Type D1 Voltage Back Up Permanent 12V Power D4 Brake Switch Brake switch signal Analog D9 Vehicle Speed Sensor Vehicle speed sensor signal Speed D12 Power Source 12V switched Power D13 Power Source 12V switched

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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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1996 Ford Taurus Camshaft Position Sensor removal and installation manual

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Filed Under (Ford Manuals) by admin on 16-06-2012

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REMOVAL CAUTION: Prior to removal of the Camshaft Position (CMP) sensor, set cylinder No.1 to zero degrees Top Dead Center (TDC) of compression stroke. Then note the position of the CMP sensor electrical connector. The installation procedure requires that the connector be located in the same position. 1. Disconnect battery ground cable. NOTE: When the battery has been disconnected and reconnected, some abnormal drive symptoms may occur while the Powertrain Control Module (PCM) relearns its adaptive strategy. The vehicle may need to be driven 16 km (10 miles) or more to relearn the strategy. 2. Disconnect engine control sensor wiring connector from CMP sensor. 3. Remove retaining screws and CMP sensor from sensor housing. 4. If removing CMP sensor housing from the cylinder block, proceed with Removal Step 5. If not removing sensor housing, proceed to installation Step 6. 5. Remove hold-down clamp (bolt and washer assembly) . 6. Remove CMP sensor housing from cylinder block INSTALLATION CAUTION : A special service tool such as Syncro Positioning Tool T95T-12200-A must be obtained prior to installation of the replacement CMP sensor. Failure to follow this procedure will result in improper sensor alignment. This will result in the fuel system being out of time with the engine, possibly causing engine damage. 1. Attach Syncro Positioning Tool T95T-12200-A as follows: a. Engage CMP sensor housing vane into the radial slot of the tool. b. Rotate tool on CMP sensor housing until tool boss engages notch in sensor housing. 2. Pre-lubricate synchronizer gear with engine oil meeting Ford specification ESE-M2C123-A prior to assembly. 3. Install sensor housing so that drive gear engagement occurs when arrow on ocator tool is pointed approximately 75 degrees counterclockwise from the rear face of the cylinder block. This step will locate CMP sensor electrical connector in the pre-removal position. 4. Rotate Syncro Positioning Tool T95T-12200-A clockwise slightly. This will engage oil pump intermediate shaft. Push downward while adjusting Syncro Positioning Tool T95T-12200-A until the Syncro Gear engages the camshaft gear. 5. When synchronizer flange is fully seated against block, the installation tool should be facing counterclockwise of engine centerline approximately 33 to 45 degrees. 6. Install hold-down clamp (washer and bolt) and tighten bolt to 19-30 Nm (14- 22 lb ft)

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1999-2006 Volkswagen A4 Engine Speed Sensor G28 Checking

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Filed Under (Volkswagen Manuals) by admin on 31-01-2011

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Special tools, testers and auxiliary items required Multimeter . Wiring diagram. Test requirements The Motronic Engine Control Module (ECM) J220 fuses OK. Battery voltage at least 12.5 volts. All electrical consumers such as, lights and rear window defroster, switched off. Vehicles with automatic transmission, shift selector lever into position “P” or “N” . A/C switched off. Ground (GND) connections between engine/transmission/chassis OK. Ignition switched off. Test procedure Perform a preliminary check to verify the customers complaint. Refer to Preliminary Check Start diagnosis The Engine Speed (RPM) Sensor G28 detects RPM and reference marks. Without an engine speed signal, the engine will not start. If the engine speed signal fails while the engine is running, the engine will stop immediately Function test Connect the scan tool. Switch the ignition on. Using the scan tool, check the engine speed: End diagnosis and switch ignition off. If the specified value was not obtained: Checking internal resistance Disconnect the gray Engine Speed (RPM) Sensor G28 electrical harness connector 7 arrow 7 . Using a multimeter , check the Engine Speed (RPM) Sensor G28 terminals 2 to 3 7 see insert 7 for resistance. Specified value: 0.7 to 1000 kOhm Check Engine Speed (RPM) Sensor G28 terminals 1 to 2 and 1 to 3 for short circuits. Specified value: ? (infinity) If any of the specified values are not obtained: Replace the Engine Speed (RPM) Sensor G28 . Refer to Engine Mechanical, Fuel Injection and Ignition 7 Repair Group 13 . If the specified values are obtained: Checking wiring If the manufacturers test box is being used. Perform the following step. Install the test box Adapter F/VAG1598 (68 Pin) VAG1598/22 . If the manufacturers test box is not being used. Perform the following step. Remove the Motronic Engine Control Module (ECM) J220 . Refer to Motronic Engine Control Module J220, Replacing .

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1995-1997 FORD EXPLORER TRANSFER CASE BINDING OR SHUDDER DIAGNOSTICS VEHICLES WITH 4.0L ENGINE SERVICE TIP

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Filed Under (Ford Manuals) by admin on 20-01-2012

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TRANSFER CASE BINDING OR SHUDDER DIAGNOSTICS VEHICLES WITH 4.0L ENGINE SERVICE TIP ISSUE to the Data Link Connector (DLC) underneath The diagnostic procedure for binding or shudder the steering wheel. Monitor for any Diagnostic from transfer case in slow, tight turns while in 4 Trouble Codes (DTCs) set by the transfer case Auto mode may be inaccurate for some vehicles. that could indicate incorrect speed sensor function. Codes could include, but are not ACTION limited to: Diagnose transfer case binding or shudder concerns using the following Diagnostic Procedure. •P1836 – Front propshaft sensor circuit failure •P1837 – Rear propshaft sensor circuit failure DIAGNOSTIC PROCEDURE •P1874 – Hall effect sensor power short circuit to battery 1997 EXPLORER •P1875 – Hall effect sensor power circuit 1. Test drive the vehicle in 4 Auto, 4 High and 4 failure Low. Evaluate the vehicle in each of these NOTE modes. The vehicle should bind in turns in both ADDITIONAL CODES COULD BE SET AS WELL. 4 High and 4 Low, but not in 4 Auto. The 4 PLEASE REFER TO THE APPROPRIATE YEAR High mode is intended for severe winter EXPLORER SERVICE MANUAL FOR COMPLETE weather or off-road driving only. It is not LISTING AND EXPLANATION. intended for use on dry or merely wet pavement. 3. If any of the DTCs in the above Step 2 are set, remove the corresponding speed sensor and 2. Verify the instrument panel has the proper 4X4 replace accordingly. Drive the vehicle to verify if selection label (Figure 1). Proceed to 1995-97 the shudder/binding has been eliminated. Send Explorer heading, Step 1. replaced speed sensor to the Ford Warranty 1995-97 EXPLORER Parts Return Center, Canton, MI. NOTE 4. Using NGS Tester, monitor the Parameter 4 AUTO IS THE FAR LEFT SWITCH POSITION Identification Display (PID) on the transfer case ON 1997 MODELS AND IS THE MIDDLE clutch duty cycle. If the 4 Auto mode reads POSITION ON 1996 MODELS. something higher than one (1), verify speed sensors have not set any Generic Electronic 1. If during test driving, the vehicle shudders or Module (GEM) DTCs and follow the speed binds in 4 Auto during slow forward or reverse sensor diagnostic procedure in the above Step parking lot maneuvers, proceed to Step 2. 2. Verify the following while checking PID: Mode Duty Cycle Indicator 4 Auto 0 or 1 4 High 13 4 Low 38 at 5 MPH 5. If the speed sensor circuits are functional, inspect for water contamination in the transfer case oil

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1996 Ford Taurus Service and Repair Manual

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Filed Under (Ford Manuals) by admin on 01-02-2012

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REMOVAL CAUTION: Prior to removal of the Camshaft Position (CMP) sensor, set cylinder No.1 to zero degrees Top Dead Center (TDC) of compression stroke. Then note the position of the CMP sensor electrical connector. The installation procedure requires that the connector be located in the same position. 1. Disconnect battery ground cable. NOTE: When the battery has been disconnected and reconnected, some abnormal drive symptoms may occur while the Powertrain Control Module (PCM) relearns its adaptive strategy. The vehicle may need to be driven 16 km (10 miles) or more to relearn the strategy. 2. Disconnect engine control sensor wiring connector from CMP sensor. 3. Remove retaining screws and CMP sensor from sensor housing. 4. If removing CMP sensor housing from the cylinder block, proceed with Removal Step 5. If not removing sensor housing, proceed to installation Step 6. 5. Remove hold-down clamp (bolt and washer assembly) . 6. Remove CMP sensor housing from cylinder block INSTALLATION CAUTION : A special service tool such as Syncro Positioning Tool T95T-12200-A must be obtained prior to installation of the replacement CMP sensor. Failure to follow this procedure will result in improper sensor alignment. This will result in the fuel system being out of time with the engine, possibly causing engine damage. 1. Attach Syncro Positioning Tool T95T-12200-A as follows: a. Engage CMP sensor housing vane into the radial slot of the tool. b. Rotate tool on CMP sensor housing until tool boss engages notch in sensor housing. 2. Pre-lubricate synchronizer gear with engine oil meeting Ford specification ESE-M2C123-A prior to assembly. 3. Install sensor housing so that drive gear engagement occurs when arrow on

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1999 Saturn SL1 L4-1.9L SOHC VIN 8 Engine – Driveability Concerns/ Cooling System DTC’s Set

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Filed Under (Saturn Manuals) by admin on 19-05-2012

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1. Disconnect engine coolant temperature sensor electrical connector and inspect sensor and connector terminals for corrosion and/or evidence of engine coolant. ^If terminals are corroded or if there is evidence of engine coolant proceed to step 4. ^If terminals are not corroded and there is no evidence of engine coolant, reconnect the electrical connector and continue to next step. 2. Perform one or both of the following checks to determine whether the engine coolant temperature sensor is providing the correct temperature indication. If engine coolant temperature sensor reading does not pass either of the above tests, continue with next step. ^If engine is at ambient temperature (vehicle has been sitting overnight or not started for several hours), use a Scan tool to compare the inlet air temperature ( IAT ) to the engine coolant temperature ( ECT ). These two readings should be within 2°C (4°F) of each other. ^If engine is at operating temperature, install a thermometer in the coolant recovery reservoir. With the engine running and A/C off, use a Scan tool to compare the engine coolant temperature sensor reading to the thermometer reading. These two readings should be within 8°C (15°F) of each other If engine coolant temperature sensor reading passes both of the tests above, refer to appropriate symptom diagnostic chart in the Engine/Emissions Controls Section of applicable Engine Service Manual. 3. Turn ignition off. 4Remove coolant surge tank cap. 5. Drain at least 1.9 L (2 Qt.) of engine coolant from the cooling system by opening radiator drain valve or removing engine drain plug. Collect engine coolant in a container. 6. Disconnect engine coolant temperature sensor electrical connector. 7. Remove engine coolant temperature sensor from cylinder head. 8. Obtain replacement engine coolant temperature sensor (P/N 21025106). 9. Use appropriate tap to clean sensor mounting hole of any thread sealant residue. 10. Install engine coolant temperature sensor in cylinder head. Torque: Engine Coolant Temperature Sensor: 8 Nm (71 in-lbs) 11. Inspect harness connector terminals for corrosion and/or evidence of engine coolant. If harness connector terminals are corroded or there is evidence of engine coolant, the harness connector must be replaced with new connector (P/N 12117087-includes: connector, terminals, wires, and splice sleeves). 12. Connect engine coolant temperature sensor connector. 13. Transfer engine coolant drained in step 5 into coolant surge tank. If necessary fill coolant surge tank to the FULL COLD range with 50/50 solution of correct type of antifreeze and clean water. 14. Start engine and check for leaks. 15. Run engine until upper radiator hose is hot, then add additional coolant if needed to bring the level to the FULL COLD level (1991-early 1997) or within the Min./Max. cold range (late l997-2001). 16. Install coolant surge tank cap.

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