
2019 | 2 views | 112 Pages | 9.61 MB
HONDA ACCORD BAXA/MAXA HONDA PRELUDE M6HA The information and p art numbers cont ained in this manual have been carefully compiled from industry sources known for their reliability, however , A.T .S.G . does not guarantee their accuracy . A.T.S.G. would like to thank Honda Motor Co. for the illustrations and information cont ained in this manual.
HONDA ACCORD BAXA MAXAHONDA PRELUDE M6HAOverview 3Clutch Application Chart 4Component Locator 5Solenoid Function Chart 7Lock Up Operation 13Solenoid Operation 14Pressure Switch Diagnosis 18Sport Shift Mode Prelude Only 19Grade Logic Control System 20Code Retrieval Procedure Accord 22Code Clearing Procedure Accord 23Code Retrieval Procedure Prelude 24Code Clearing Procedure Prelude 25Diagnostic Trouble Code Definition Charts 26TCM Circuit Diagram And Terminal Locations Accord 29TCM Circuit Diagram And Terminal Locations Prelude 30Trouble Shooting Guides 31A T Gear Position Switch Continuity Chart 35Oil Pressure Chart 36Automatic Transmission Fluid Requirements 37Transmission Removal 38Transmission Disassembly End Cover Idler Gears BAXA 43Transmission Disassembly End Cover Idler Gears M6HA 44Transmission Disassembly Transmission Housing BAXA 46Transmission Disassembly Transmission Housing M6HA 47Transmission Disassembly Continued 49Transmission Disassembly Valve Body 50Transmission Disassembly Inspection Reassembly 61Transmission Reassembly 85Torque Converter And Drive Plate 94Transmission Installation 95Specifications BAXA 101Specifications M6HA 106Special Tools 109Bulletins 110AUTOMATIC TRANSMISSION SERVICE GROUP9200 S DADELAND BLVD STE 720MIAMI FLORIDA 33156305 670 4161Technical Service InformationHONDA ACCORD BAXA MAXAHONDA PRELUDE M6HACONTROL SOLENOID2nd GEAR LUCSPRESSURE SWITCHSHIFT CONTROLCOUNTERSHAFT SOLENOID ASPEED SENSOR SCS ASHIFT CONTROLSOLENOID BBLACK CONNECTORSHIFT CONTROLSOLENOID CCLUTCH PRESSURE SCS CCONTROL SOLENOID B BROWN CONNECTORBLACK CONNECTORMAINSHAFT 3rd GEARSPEED SENSOR PRESSURE SWITCHAccord OnlyCLUTCH PRESSURECONTROL SOLENOID ABROWN CONNECTORAUTOMATIC TRANSMISSION SERVICE GROUPTechnical Service InformationBAXA MAXA M6HACLUTCH APPLICATION CHARTAUTOMATIC TRANSMISSION SERVICE GROUPTechnical Service InformationHONDA ACCORD BAXA MAXACOMPONENT LOCATORCONNECTOR DLCPOWERTRAIN CONTROLMODULE PCMCOUNTERSHAFT LOCK UP CONTROL2ND CLUTCH SHIFT CONTROLSPEED SENSOR PRESSURE SWITCH SOLENOID A ASSEMBLYPOSITION SWITCHSPEED SENSORSHIFT CONTROLSOLENOID BSHIFT CONTROL3RD CLUTCH SOLENOID CPRESSURE SWITCH A B CLUTCHPRESSURE CONTROLSOLENOID ASSEMBLYAUTOMATIC TRANSMISSION SERVICE GROUPTechnical Service InformationHONDA PRELUDE M6HACOMPONENT LOCATORENGINE CONTROLMODULE ECMTRANSMISSIONCONTROL MODULE TCMCOUNTERSHAFT 2ND CLUTCH VEHICLESPEED SENSOR PRESSURE SWITCH SPEED SENSORPOSITION SWITCHLOCK UP CONTROLMAINSHAFT SHIFT CONTROLSPEED SENSOR SHIFT CONTROLSOLENOID A ASSEMBLYSOLENOID BA B CLUTCHPRESSURE CONTROL SHIFT CONTROLSOLENOID ASSEMBLY SOLENOID CAUTOMATIC TRANSMISSION SERVICE GROUPTechnical Service InformationSOLENOID CONTROLSHIFT CONTROLShifting is done in relation to throttle demand with the TCM PCM controlling shift feel through A TPressure Control Solenoids A and B Shift timing is controlled by Shift Control Solenoids A Band C during normal upshifts and downshifts as well as grade logic controlThe shift solenoid firing order is different during a shift than it is when the transmission is in gear as shownin the solenoid ON OFF chart belowSHIFT LEVER SHIFT SOLENOIDGEAR POSITIONPOSITION A B CP PARK OFF ON OFFSHIFTING FROM PARK OR NEUTRAL TO REVERSE OFF ON ONR WHILE IN REVERSE OFF ON OFFREVERSE INHIBIT OFF ON ONN NEUTRAL OFF ON OFFSHIFTING FROM NEUTRAL ON ON ONWHILE IN FIRST OFF ON ONSHIFTING BETWEEN FIRST AND SECOND ON ON OND4 D3 WHILE IN SECOND ON ON OFFSHIFTING BETWEEN SECOND AND THIRD ON OFF OFFWHILE IN THIRD ON OFF ONSHIFTING BETWEEN THIRD AND FOURTH OFF OFF ONWHILE IN FOURTH OFF OFF OFF2 SECOND ON ON OFF1 FIRST OFF ON ONREVERSE INHIBIT CONTROLWhen reverse is selected while the vehicle is moving at a speed greater than 6 mph 10km h thePCM TCM will command Shift Control Solenoid B and C ON which is a 1st gear command whichstrokes the reverse CPC valve which blocks the reverse servo and 4th clutch circuits preventing reverseengagementAUTOMATIC TRANSMISSION SERVICE GROUPENGAGEMENT FROM NEUTRAL TO REVERSE AND REVERSE SOLENOID APPLICATIONSelector position Gear Pressure Mode SCS A SCS B SCS C CPCS A CPCS B LUCSN N n a OFF ON OFF OFF OFF OFFNEUTRAL TO REVERSE TRANSITIONSelector position Gear Pressure Mode SCS A SCS B SCS C CPCS A CPCS B LUCSD4 R CPC OFF ON ON modulating OFF OFFSummary Shift Solenoid C is ON which shuts off oil to the bore plug side of the Reverse CPC valve Line Pressureis sent to the Reverse CPC valve which is controlled by the modulation of Clutch Pressure Control Solenoid valveA This controls the application of the 4th clutch via the Servo Valve and Manual ValveSelector position Gear Pressure Mode SCS A SCS B SCS C CPCS A CPCS B LUCSD4 R LINE OFF ON OFF OFF OFF OFFSummary Shift Solenoid C is turned OFF which strokes the Reverse CPC valve This switches 4th clutch pressurefrom CPC mode to Line pressure mode via the Servo Valve and Manual ValveSOLENOID CONTROL1st Clutch 2nd Clutch 3rd Clutch 4th ClutchTechnical Service InformationAUTOMATIC TRANSMISSION SERVICE GROUP2nd Clutch 3rd ClutchPressure Switch Pressure SwitchENGAGEMENT FROM NEUTRAL TO D4 1st GEAR SOLENOID APPLICATIONSelector position Gear Pressure Mode SCS A SCS B SCS C CPCS A CPCS B LUCSN N n a OFF ON OFF OFF OFF OFFNEUTRAL TO D4 1st GEAR TRANSITIONSelector position Gear Pressure Mode SCS A SCS B SCS C CPCS A CPCS B LUCSD4 1st CPC ON ON ON modulating OFF OFFSummary Shift Solenoids A and C are turned ON to connect 1st clutch apply oil to the spring side and center ofCPC valve A Clutch Pressure Control Solenoid valve A oil modulates on the bore plug side of CPC valve Ato control 1st clutch application The 1st clutch is applied with reduced pressure which is CPC modeD4 1st GEARSelector position Gear Pressure Mode SCS A SCS B SCS C CPCS A CPCS B LUCSD4 1st LINE OFF ON ON OFF OFF OFFSummary Shift Solenoid A is turned OFF which switches the port on Shift Valve A from CPC to Line PressureSOLENOID CONTROL1st Clutch pressure is now Line Pressure1st Clutch 2nd Clutch 3rd Clutch 4th ClutchTechnical Service InformationAUTOMATIC TRANSMISSION SERVICE GROUP2nd Clutch 3rd ClutchPressure Switch Pressure Switch1st TO 2nd UPSHIFT AND 2nd GEAR SOLENOID APPLICATIOND4 1st GEARSelector position Gear Pressure Mode SCS A SCS B SCS C CPCS A CPCS B LUCSD4 1st LINE OFF ON ON OFF OFF OFFD4 1st TO 2nd GEAR TRANSITIONSelector position Gear Pressure Mode SCS A SCS B SCS C CPCS A CPCS B LUCSD4 2nd CPC ON ON ON modulating modulating OFFSummary Shift Solenoids A and C are turned ON to connect 1st clutch apply oil to the spring side and center ofCPC valve A Clutch Pressure Control Solenoid valve A oil modulates on the bore plug side of CPC valve Awhich turns 1st clutch pressure back to CPC mode Clutch Pressure Control Solenoid valve B oil modulates on thebore plug side of CPC valve B which controls the application of the 2nd clutchD4 2nd GEARSelector position Gear Pressure Mode SCS A SCS B SCS C CPCS A CPCS B LUCSD4 2nd LINE ON ON OFF ON ON OFFSummary Shift Solenoid C is turned OFF which switches 2nd clutch pressure to Line pressure mode via theManual valve and connects the 1st clutch to an exhaust via Shift Valve C Clutch Pressure Control Solenoid valveSOLENOID CONTROLA is turned on to block pressure from the bore plug side of CPC valve A1st Clutch 2nd Clutch 3rd Clutch 4th ClutchTechnical Service InformationAUTOMATIC TRANSMISSION SERVICE GROUP2nd Clutch 3rd ClutchPressure Switch Pressure Switch2nd TO 3rd UPSHIFT AND 3rd GEAR SOLENOID APPLICATIOND4 2nd GEARSelector position Gear Pressure Mode SCS A SCS B SCS C CPCS A CPCS B LUCSD4 2nd LINE ON ON OFF ON ON OFFD4 2nd TO 3rd GEAR TRANSITIONSelector position Gear Pressure Mode SCS A SCS B SCS C CPCS A CPCS B LUCSD4 3rd CPC ON OFF OFF modulating modulating OFFSummary Shift Solenoid B is turned OFF which strokes Shift Valve B to connect the 2nd clutch back to CPCvalve B 2nd clutch pressure is changed to CPC mode thru the modulation of Clutch Pressure Control Solenoidvalve B acting on the bore plug side of CPC valve B Clutch Pressure Control Solenoid valve A acting on thebore plug side of CPC valve A controls the application of the 3rd clutchD4 3rd GEARSelector position Gear Pressure Mode SCS A SCS B SCS C CPCS A CPCS B LUCSD4 3rd LINE ON OFF ON OFF OFF OFFSummary Shift Solenoid C is turned ON which strokes Shift Valve C and switches 3rd clutch pressure to LineSOLENOID CONTROLpressure mode via the Manual valve and connects the 2nd clutch to an exhaust via Shift Valve C1st Clutch 2nd Clutch 3rd Clutch 4th ClutchTechnical Service InformationAUTOMATIC TRANSMISSION SERVICE GROUP2nd Clutch 3rd ClutchPressure Switch Pressure Switch3rd TO 4th UPSHIFT AND 4th GEAR SOLENOID APPLICATIOND4 3rd GEARSelector position Gear Pressure Mode SCS A SCS B SCS C CPCS A CPCS B LUCSD4 2nd LINE ON OFF ON OFF OFF OFFD4 3rd TO 4th GEAR TRANSITIONSelector position Gear Pressure Mode SCS A SCS B SCS C CPCS A CPCS B LUCSD4 4th CPC OFF OFF ON modulating modulating OFFSummary Shift Solenoid A is turned OFF which strokes Shift Valve A to connect the 3rd clutch back to CPCvalve A 3rd clutch pressure is turned to CPC mode thru the modulation of Clutch Pressure Control Solenoidvalve A acting on the bore plug side of CPC valve A Clutch Pressure Control Solenoid valve B oil acts on thebore plug side of CPC valve B which controls the application of the 4th clutchD4 4th GEARSelector position Gear Pressure Mode SCS A SCS B SCS C CPCS A CPCS B LUCSD4 4th LINE OFF OFF OFF ON ON OFFSummary Shift Solenoid C is turned OFF which strokes Shift valve C This switches 4th clutch pressure to Linepressure via the Manual valve Clutch Pressure Control Solenoid valve A is ON to block pressure to the bore plugSOLENOID CONTROLside of CPC valve A The 3rd clutch is connected to an exhaust via Shift Valve C1st Clutch 2nd Clutch 3rd Clutch 4th ClutchTechnical Service InformationAUTOMATIC TRANSMISSION SERVICE GROUP2nd Clutch 3rd ClutchPressure Switch Pressure SwitchTORQUE CONVERTER CLUTCH ENGAGEMENTD4 3rd GEAR TCC APPLIEDSelector position Gear Pressure Mode SCS A SCS B SCS C CPCS A CPCS B LUCS3rd and 4th gearsD4 2nd LINE ON OFF ON modulating OFF ONLOCK UP CONTROLSummary The Lock up Control Solenoid is turned ON which drains the oil on the spring side ofthe Lock up shift valve The computer controls the switching of Partial Half and Full ConverterClutch application thru the modulation of the Clutch Pressure Control Solenoid valve Aacting on the Lock up timing and control valve Example When Clutch Pressure ControlSolenoid valve A pressure is low and the Lock up Control Solenoid is ON the TorqueConverter Clutch is applied partially When Clutch Pressure Control Solenoid valve AD4 4th GEAR TCC APPLIEDSelector position Gear Pressure Mode SCS A SCS B SCS C CPCS A CPCS B LUCSD4 4th LINE OFF OFF OFF ON modulating ONSummary The Lock up Control Solenoid is turned ON which drains the oil on the spring side ofthe Lock up shift valve The computer controls the switching of Partial Half and Full ConverterClutch application thru the modulation of the Clutch Pressure Control Solenoid valve Bacting on the Lock up timing and control valve Example When Clutch Pressure ControlSolenoid valve B pressure is low and the Lock up Control Solenoid is ON the TorqueConverter Clutch is applied partially When Clutch Pressure Control Solenoid valve BTORQUE CONVERTER TORQUE CONVERTER TORQUE CONVERTER TORQUE CONVERTERCLUTCH OFF CLUTCH PARTIAL APPLICATION CLUTCH HALF APPLICATION CLUTCH FULL APPLICATIONTCC TCC TCC TCCCLUTCH CLUTCH CLUTCH CLUTCHTechnical Service InformationAUTOMATIC TRANSMISSION SERVICE GROUPThe PCM TCM controls lock up apply feel by the use of the A T Clutch Pressure Control Solenoids actingand full lock up Accord models attain lock up in 3rd and 4th gears Prelude models attain lock up in 2ndon the lock up control and timing valves as soon as the Lock up Solenoid is turned ON providing partialThe Lock up Solenoid is an ON OFF solenoid which strokes the lock up shift valve to turn lock up ONTechnical Service InformationSOLENOID CHECK AND OPERATIONLOCK UP CONTROL AND SHIFT CONTROL SOLENOID A OFFLOCK UP CONTROL MODULATING VALVESOLENOID PRESSURE TO LOCK UPSHIFT VALVEspring sideBLOCKED MODULATING VALVEPRESSURE TO SHIFTSHIFT CONTROL VALVE ASOLENOID AWhen the Lock up control Solenoid is OFF Modulating Pressure is HIGH which prevents the Lock upShift Valve from strokingWhen Shift Control Solenoid A is OFF Modulating Pressure is HIGH which strokes Shift Valve ALOCK UP CONTROL AND SHIFT CONTROL SOLENOID A ONLOCK UP CONTROL MODULATING VALVESOLENOID PRESSURE TO LOCK UPSHIFT VALVEspring sideMODULATING VALVEPRESSURE TO SHIFTSHIFT CONTROL VALVE ASOLENOID AWhen the Lock up control Solenoid is ON Modulating Pressure is EXHAUSTED which allows the Lock up ShiftValve to strokeWhen Shift Control Solenoid A is ON Modulating Pressure is EXHAUSTED which allows Shift Valve A tobe held to the right by its springCopyright 2002 ATSGAUTOMATIC TRANSMISSION SERVICE GROUPTechnical Service InformationSOLENOID CHECK AND OPERATIONSHIFT CONTROL SOLENOID B AND C OFFSCS B SCS Cblack connector brown connectorTO SHIFT VALVE B TO SHIFT VALVE CAND SERVO AND REVERSECONTROL VALVE CPC VALVECONNECTED CONNECTEDFROM MODULATOR FROM MODULATORVALVE VALVESummary When Shift Control Solenoid B and C are OFF oil from the Modulating valve isapplied to stroke the valves that the solenoids controlSHIFT CONTROL SOLENOID B AND C ONSCS B SCS Cblack connector brown connectorCONNECTED CONNECTEDFROM SHIFT VALVE B FROM SHIFT VALVE CAND SERVO AND REVERSECONTROL VALVE CPC VALVEFROM MODULATOR FROM MODULATORVALVE VALVESummary When Shift Control Solenoid B and C are ON oil from the Modulatingvalve is blocked at the end of the solenoid The valves that the solenoids control areconnected to the exhaust at the top of the solenoidCopyright 2002 ATSGAUTOMATIC TRANSMISSION SERVICE GROUP