Auto Repair Manual Free Download and ReviewsFree download ebook pdf files automotive manual

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FORD: LINCOLN: MERCURY: 2005-2010 Crown Victoria 2005-2006 Expedition 2005-2010 E-150, E-250, E-350, F-150 2005-2010 Town Car 2006-2008 Mark LT 2005-2010 Grand Marquis Some 2005-2010 vehicles equipped with a 4R70/75E-W transmission may experience an un-commanded torque converter clutch (TCC) apply or TCC partial apply immediately after the 1-2 shift. This may result in the perception that the vehicle lacks power or that the transmission is up-shifting too early. Additional symptoms of uncommanded TCC apply when coming to a stop (before the 2-1 downshift is commanded), are engine stalling or lugging when engaging manual 2nd while at a stop and code P1742 may be present in continuous memory. However, the vehicle should operate normally in park, reverse, neutral and manual 1st gear. ACTION: Follow the Service Procedure for verification and repair. SERVICE PROCEDURE 1. Monitor (TCC %) solenoid command state – duty cycle and (TC SLIP ACT) torque converter clutch slippage – RPM, while in 2nd, 3rd or 4th gear with a TCC % reading 0. a. If TCC % = 0 and TC SLIP ACT = less than 20 RPM then inspect the number 7 check ball in the main control valve body for damage. Replace as required following the appropriate Workshop Manual (WSM) under Disassembly and Assembly of Subassemblies – Main Control Valve Body. (Figure 1) NOTE: THIS PROCEDURE IS PERFORMED IN 2ND GEAR AUTO (NOT MANUAL 2). MONITOR (TC SLIP ACT) AFTER THE POWERTRAIN CONTROL MODULE (PCM) COMMANDS 2ND GEAR AND BEFORE THE VEHICLE SPEED SENSOR (VSS) READS 35 MPH (56 KM/H). b. If you receive any other reading, this procedure does not apply; follow normal diagnostic procedures as outlined in the appropriate WSM. NOTE: IT IS NORMAL FOR THE PCM TO COMMAND 4TH GEAR AT SPEEDS AS LOW AS 19 MPH ( 30 KM/H) WITH LIGHT ACCELERATION WHEN THE THROTTLE POSITION IS LESS THEN 20%.

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Function The position of the throttle is controlled by a digital position controller which emits a pulse-width-modulated (PWM) duty cycle and a direction bit. After the output stage has been deactivated, the throttle is brought into emergency air position by means of two springs. This return of the throttle must take place within a certain time. If this time is exceeded, a fault is stored in the memory. Diagnosis conditions Ignition on (approx.30 sec. ) Stationary vehicle Engine not running Engine temperature> 5 °C Intake air temperature> 5 °C 1 Perform adaptation. 1. Switch on the ignition. 2. Wait one minute . Do not press the accelerator. 3. Switch off the ignition for at least 10 seconds. 4. Read out the fault memory

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When Monitored and Set Condition: P0740 – TORQUE CONVERTER CLUTCH CONTROL CIRCUIT When Monitored:During Electronically Modulated Converter Clutch (EMCC) Operation. Set Condition:A) Transmission must be in EMCC, with input speed > than 1750 RPM. TCC/L-R Sol achieves the maximum duty cycle & can’t pull engine RPM within 60 RPM of input speed. B) Transmissions is in FEMCC & engine slips TCC > than 100 RPM for 10 seconds. POSSIBLE CAUSES: RELATED DTC’S PRESENT INTERMITTENT OPERATION INCORRECT FLUID LEVEL INTERNAL TRANSMISSION PROBLEM – TCC OUT OF RANGE

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INTRODUCTION Circuit Functions The CMP signal source is a magnetic pickup sensor mounted on the left front side of the engine block. The sensor reacts to a peg on a target wheel that is positioned on the camshaft. The peg passes the sensor once per camshaft revolution and produces a single pulse correspondingly. The camshaft speed is calculated from the frequency of the CMP sensor signal. Diagnostic information on the CMP input signal is obtained by carrying out accuracy checks on signal levels, frequency, and duty cycle with software strategies. The powertrain control module (PCM) requires a crankshaft position (CKP) sensor and CMP signal to calculate engine speed and piston position. The CMP sensor creates a signal that the PCM uses to indicate the left or right bank. The engine will not operate without a CMP signal. Detection/Management An inactive CMP signal during cranking is detectable by the PCM. An inactive CMP signal causes a no-start condition. Electrical noise can also be detected by the PCM. If the level is sufficient to affect engine operation, a corresponding DTC is set.