81 Corvette TCC wiring


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2000 Pontiac Grand Prix GTP TCC SYSTEM STUCK ON

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Filed Under (Pontiac) by admin on 19-06-2010

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2000 AUTOMATIC TRANSMISSIONS Hydra-Matic 4T65-E Electronic Controls NOTE: For circuit and terminal identification, see WIRING DIAGRAMS . Circuit Description Torque Converter Clutch (TCC) release switch is part of transaxle fluid pressure manual valve position switch. Position switch is mounted to control valve body. TCC release switch is a normally closed switch. Switch signals PCM that TCC is released. Torque converter release fluid pressure acts on switch contact. When voltage on circuit is high, PCM recognizes that TCC is no longer engaged. DTC P0742 will set if PCM detects that TCC release switch is closed when TCC is commanded off. Conditions For Running DTC P0742 DTC will run under the following conditions:

2005-2010 Ford Crown Victoria UN-COMMANDED TCC APPLY ON THE 1-2 SHIFT CAUSING PERCEPTION OF HESITATION AND/OR LACK OF POWER DURING SHIFT

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Filed Under (Ford) by admin on 03-12-2010

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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%.

1985 Chevrolet Monte Carlo SS Complete Wiring Guide

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Filed Under (Chevrolet) by admin on 19-03-2011

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DEFOGGERS Fig. 1: Defogger Circuit HORN Fig. 2: Horn Circuit POWER ANTENNA Fig. 3: Power Antenna Circuit POWER DOOR LOCKS Fig. 4: Power Door Lock Circuit POWER SEATS Fig. 5: Power Seat Circuits POWER WINDOWS Fig. 6: Power Window Circuit, 2 Door RADIO Fig. 7: Mono Radio Circuit Fig. 8: Stereo Radio Circuit STARTING/CHARGING Fig. 9: Charging Circuit Fig. 10: Starting Circuit TRUNK, TAILGATE, FUEL DOOR Fig. 11: Trunk Release Circuit WIPER/WASHER Fig. 12: 2-Speed Wiper/Washer Circuit Fig. 13: Interval Wiper/Washer Circuit PART 2 Fig. 1: Engine Compartment Fig. 2: Engine Compartment (Cont.) Fig. 3: Fuse Block & Underdash Fig. 4: Underdash (Cont.) & Instrument Panel Fig. 5: Instrument Panel (Cont.) Fig. 6: Rear Compartment & Accessories SUB-SYSTEM WIRING DIAGRAMS CANADIAN MODELS Fig. 7: Kicker System Wiring Diagram (5.0L “B” Body A/C) Fig. 8: A/C Kicker System (3.8L “B” & “G” Body) Wiring Diagram Fig. 9: Electric Choke Heater (3.8L “B” & “G” Body) Wiring Diagram Fig. 10: Electric Choke Heater (3.8L “B” Body Without Gauges) Fig. 11: Electric Choke Heater (5.0L “B” & “G” Body) Fig. 12: Early Fuel Evap System (“B” & “G” Body) Wiring Diagram Fig. 13: TCC (“B” & “G” Body, 3 or 4-Speed Auto. Trans.)

TOYOTA RAV4 ELECTRICAL WIRING DIAGRAM

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Filed Under (Toyota) by admin on 28-09-2009

ELECTRICAL WIRING DIAGRAM
This Service Bulletin is to inform you of the Electrical Wiring Diagram for RAV4 equipped with 1CD-
FTV engine.RELAY LOCATIONS ELECTRICAL WIRING ROUTING OVERALL ELECTRICAL WIRING DIAGRAM CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS

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2001-2003 HYUNDAI ELANTRA CORROSION IN THE FRONT DOOR WIRING CONNECTOR

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Filed Under (Hyundai) by admin on 16-03-2011

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A water leak between the front outer panel and cowl panels may result in corrosion of the front door wiring connector pins if the vehicle is operated in areas where road salt is used. The corrosion may affect the operation of the electrical circuits in the door, such as the speakers, power windows, etc. To correct this condition, reseal the seams and inspect the door wiring connectors for corrosion. If necessary, replace the door wiring connector and the door wiring by following the service procedures described in this TSB. SEALING THE PANEL SEAMS: NOTE: This sealing procedure applies to both left and right sides. 1. Open the hood. 2. Locate the “A” pillar outer panel and cowl panel seaming area at the base of the “A” pillar. 3. Lift up the lower end of windshield glass molding to obtain space for sealant application. 4. Clean the sealant application area on both the left and right sides of the vehicle (fender removed in photo for clarity). 5. Apply clear sealant along the seam line between “A” pillar panel and cowl panel from the engine compartment as shown in the photo. 6. Use appropriate tool or finger (with rubber nitrate gloves) to smooth material to seal the sealant. NOTE: Apply enough sealant to completely fill the seam. Be careful not to drip excess sealant in the engine compartment or on the hood. – Photo shows panel seams where sealant is applied on left side. – Repeat for the right side. 7. Open the front door. 8. Apply the clear sealant to the seam between “A” pillar panel and the fender mounting bracket from inside the door opening. 9. Apply the clear sealant to the bottom of the fender mounting bracket and the top of the hinge. 10. Use appropriate tool or finger (with rubber nitrate gloves) to smooth material to seal the sealant. NOTE: Apply enough sealant to completely fill the seam. Be careful not to drip excess sealant on the door trim or in the interior. – Sealant is applied along the top edge of the fender bracket.