Honda Accord Baxa Maxa Honda Prelude M6ha-PDF Free Download

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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.

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HONDA ACCORD BAXA MAXA
HONDA PRELUDE M6HA
Overview 3
Clutch Application Chart 4
Component Locator 5
Solenoid Function Chart 7
Lock Up Operation 13
Solenoid Operation 14
Pressure Switch Diagnosis 18
Sport Shift Mode Prelude Only 19
Grade Logic Control System 20
Code Retrieval Procedure Accord 22
Code Clearing Procedure Accord 23
Code Retrieval Procedure Prelude 24
Code Clearing Procedure Prelude 25
Diagnostic Trouble Code Definition Charts 26
TCM Circuit Diagram And Terminal Locations Accord 29
TCM Circuit Diagram And Terminal Locations Prelude 30
Trouble Shooting Guides 31
A T Gear Position Switch Continuity Chart 35
Oil Pressure Chart 36
Automatic Transmission Fluid Requirements 37
Transmission Removal 38
Transmission Disassembly End Cover Idler Gears BAXA 43
Transmission Disassembly End Cover Idler Gears M6HA 44
Transmission Disassembly Transmission Housing BAXA 46
Transmission Disassembly Transmission Housing M6HA 47
Transmission Disassembly Continued 49
Transmission Disassembly Valve Body 50
Transmission Disassembly Inspection Reassembly 61
Transmission Reassembly 85
Torque Converter And Drive Plate 94
Transmission Installation 95
Specifications BAXA 101
Specifications M6HA 106
Special Tools 109
Bulletins 110
AUTOMATIC TRANSMISSION SERVICE GROUP
9200 S DADELAND BLVD STE 720
MIAMI FLORIDA 33156
305 670 4161
Technical Service Information
HONDA ACCORD BAXA MAXA
HONDA PRELUDE M6HA
CONTROL SOLENOID
2nd GEAR LUCS
PRESSURE SWITCH
SHIFT CONTROL
COUNTERSHAFT SOLENOID A
SPEED SENSOR SCS A
SHIFT CONTROL
SOLENOID B
BLACK CONNECTOR
SHIFT CONTROL
SOLENOID C
CLUTCH PRESSURE SCS C
CONTROL SOLENOID B BROWN CONNECTOR
BLACK CONNECTOR
MAINSHAFT 3rd GEAR
SPEED SENSOR PRESSURE SWITCH
Accord Only
CLUTCH PRESSURE
CONTROL SOLENOID A
BROWN CONNECTOR
AUTOMATIC TRANSMISSION SERVICE GROUP
Technical Service Information
BAXA MAXA M6HA
CLUTCH APPLICATION CHART
AUTOMATIC TRANSMISSION SERVICE GROUP
Technical Service Information
HONDA ACCORD BAXA MAXA
COMPONENT LOCATOR
CONNECTOR DLC
POWERTRAIN CONTROL
MODULE PCM
COUNTERSHAFT LOCK UP CONTROL
2ND CLUTCH SHIFT CONTROL
SPEED SENSOR PRESSURE SWITCH SOLENOID A ASSEMBLY
POSITION SWITCH
SPEED SENSOR
SHIFT CONTROL
SOLENOID B
SHIFT CONTROL
3RD CLUTCH SOLENOID C
PRESSURE SWITCH A B CLUTCH
PRESSURE CONTROL
SOLENOID ASSEMBLY
AUTOMATIC TRANSMISSION SERVICE GROUP
Technical Service Information
HONDA PRELUDE M6HA
COMPONENT LOCATOR
ENGINE CONTROL
MODULE ECM
TRANSMISSION
CONTROL MODULE TCM
COUNTERSHAFT 2ND CLUTCH VEHICLE
SPEED SENSOR PRESSURE SWITCH SPEED SENSOR
POSITION SWITCH
LOCK UP CONTROL
MAINSHAFT SHIFT CONTROL
SPEED SENSOR SHIFT CONTROL
SOLENOID A ASSEMBLY
SOLENOID B
A B CLUTCH
PRESSURE CONTROL SHIFT CONTROL
SOLENOID ASSEMBLY SOLENOID C
AUTOMATIC TRANSMISSION SERVICE GROUP
Technical Service Information
SOLENOID CONTROL
SHIFT CONTROL
Shifting is done in relation to throttle demand with the TCM PCM controlling shift feel through A T
Pressure Control Solenoids A and B Shift timing is controlled by Shift Control Solenoids A B
and C during normal upshifts and downshifts as well as grade logic control
The shift solenoid firing order is different during a shift than it is when the transmission is in gear as shown
in the solenoid ON OFF chart below
SHIFT LEVER SHIFT SOLENOID
GEAR POSITION
POSITION A B C
P PARK OFF ON OFF
SHIFTING FROM PARK OR NEUTRAL TO REVERSE OFF ON ON
R WHILE IN REVERSE OFF ON OFF
REVERSE INHIBIT OFF ON ON
N NEUTRAL OFF ON OFF
SHIFTING FROM NEUTRAL ON ON ON
WHILE IN FIRST OFF ON ON
SHIFTING BETWEEN FIRST AND SECOND ON ON ON
D4 D3 WHILE IN SECOND ON ON OFF
SHIFTING BETWEEN SECOND AND THIRD ON OFF OFF
WHILE IN THIRD ON OFF ON
SHIFTING BETWEEN THIRD AND FOURTH OFF OFF ON
WHILE IN FOURTH OFF OFF OFF
2 SECOND ON ON OFF
1 FIRST OFF ON ON
REVERSE INHIBIT CONTROL
When reverse is selected while the vehicle is moving at a speed greater than 6 mph 10km h the
PCM TCM will command Shift Control Solenoid B and C ON which is a 1st gear command which
strokes the reverse CPC valve which blocks the reverse servo and 4th clutch circuits preventing reverse
engagement
AUTOMATIC TRANSMISSION SERVICE GROUP
ENGAGEMENT FROM NEUTRAL TO REVERSE AND REVERSE SOLENOID APPLICATION
Selector position Gear Pressure Mode SCS A SCS B SCS C CPCS A CPCS B LUCS
N N n a OFF ON OFF OFF OFF OFF
NEUTRAL TO REVERSE TRANSITION
Selector position Gear Pressure Mode SCS A SCS B SCS C CPCS A CPCS B LUCS
D4 R CPC OFF ON ON modulating OFF OFF
Summary Shift Solenoid C is ON which shuts off oil to the bore plug side of the Reverse CPC valve Line Pressure
is sent to the Reverse CPC valve which is controlled by the modulation of Clutch Pressure Control Solenoid valve
A This controls the application of the 4th clutch via the Servo Valve and Manual Valve
Selector position Gear Pressure Mode SCS A SCS B SCS C CPCS A CPCS B LUCS
D4 R LINE OFF ON OFF OFF OFF OFF
Summary Shift Solenoid C is turned OFF which strokes the Reverse CPC valve This switches 4th clutch pressure
from CPC mode to Line pressure mode via the Servo Valve and Manual Valve
SOLENOID CONTROL
1st Clutch 2nd Clutch 3rd Clutch 4th Clutch
Technical Service Information
AUTOMATIC TRANSMISSION SERVICE GROUP
2nd Clutch 3rd Clutch
Pressure Switch Pressure Switch
ENGAGEMENT FROM NEUTRAL TO D4 1st GEAR SOLENOID APPLICATION
Selector position Gear Pressure Mode SCS A SCS B SCS C CPCS A CPCS B LUCS
N N n a OFF ON OFF OFF OFF OFF
NEUTRAL TO D4 1st GEAR TRANSITION
Selector position Gear Pressure Mode SCS A SCS B SCS C CPCS A CPCS B LUCS
D4 1st CPC ON ON ON modulating OFF OFF
Summary Shift Solenoids A and C are turned ON to connect 1st clutch apply oil to the spring side and center of
CPC valve A Clutch Pressure Control Solenoid valve A oil modulates on the bore plug side of CPC valve A
to control 1st clutch application The 1st clutch is applied with reduced pressure which is CPC mode
D4 1st GEAR
Selector position Gear Pressure Mode SCS A SCS B SCS C CPCS A CPCS B LUCS
D4 1st LINE OFF ON ON OFF OFF OFF
Summary Shift Solenoid A is turned OFF which switches the port on Shift Valve A from CPC to Line Pressure
SOLENOID CONTROL
1st Clutch pressure is now Line Pressure
1st Clutch 2nd Clutch 3rd Clutch 4th Clutch
Technical Service Information
AUTOMATIC TRANSMISSION SERVICE GROUP
2nd Clutch 3rd Clutch
Pressure Switch Pressure Switch
1st TO 2nd UPSHIFT AND 2nd GEAR SOLENOID APPLICATION
D4 1st GEAR
Selector position Gear Pressure Mode SCS A SCS B SCS C CPCS A CPCS B LUCS
D4 1st LINE OFF ON ON OFF OFF OFF
D4 1st TO 2nd GEAR TRANSITION
Selector position Gear Pressure Mode SCS A SCS B SCS C CPCS A CPCS B LUCS
D4 2nd CPC ON ON ON modulating modulating OFF
Summary Shift Solenoids A and C are turned ON to connect 1st clutch apply oil to the spring side and center of
CPC valve A Clutch Pressure Control Solenoid valve A oil modulates on the bore plug side of CPC valve A
which turns 1st clutch pressure back to CPC mode Clutch Pressure Control Solenoid valve B oil modulates on the
bore plug side of CPC valve B which controls the application of the 2nd clutch
D4 2nd GEAR
Selector position Gear Pressure Mode SCS A SCS B SCS C CPCS A CPCS B LUCS
D4 2nd LINE ON ON OFF ON ON OFF
Summary Shift Solenoid C is turned OFF which switches 2nd clutch pressure to Line pressure mode via the
Manual valve and connects the 1st clutch to an exhaust via Shift Valve C Clutch Pressure Control Solenoid valve
SOLENOID CONTROL
A is turned on to block pressure from the bore plug side of CPC valve A
1st Clutch 2nd Clutch 3rd Clutch 4th Clutch
Technical Service Information
AUTOMATIC TRANSMISSION SERVICE GROUP
2nd Clutch 3rd Clutch
Pressure Switch Pressure Switch
2nd TO 3rd UPSHIFT AND 3rd GEAR SOLENOID APPLICATION
D4 2nd GEAR
Selector position Gear Pressure Mode SCS A SCS B SCS C CPCS A CPCS B LUCS
D4 2nd LINE ON ON OFF ON ON OFF
D4 2nd TO 3rd GEAR TRANSITION
Selector position Gear Pressure Mode SCS A SCS B SCS C CPCS A CPCS B LUCS
D4 3rd CPC ON OFF OFF modulating modulating OFF
Summary Shift Solenoid B is turned OFF which strokes Shift Valve B to connect the 2nd clutch back to CPC
valve B 2nd clutch pressure is changed to CPC mode thru the modulation of Clutch Pressure Control Solenoid
valve B acting on the bore plug side of CPC valve B Clutch Pressure Control Solenoid valve A acting on the
bore plug side of CPC valve A controls the application of the 3rd clutch
D4 3rd GEAR
Selector position Gear Pressure Mode SCS A SCS B SCS C CPCS A CPCS B LUCS
D4 3rd LINE ON OFF ON OFF OFF OFF
Summary Shift Solenoid C is turned ON which strokes Shift Valve C and switches 3rd clutch pressure to Line
SOLENOID CONTROL
pressure mode via the Manual valve and connects the 2nd clutch to an exhaust via Shift Valve C
1st Clutch 2nd Clutch 3rd Clutch 4th Clutch
Technical Service Information
AUTOMATIC TRANSMISSION SERVICE GROUP
2nd Clutch 3rd Clutch
Pressure Switch Pressure Switch
3rd TO 4th UPSHIFT AND 4th GEAR SOLENOID APPLICATION
D4 3rd GEAR
Selector position Gear Pressure Mode SCS A SCS B SCS C CPCS A CPCS B LUCS
D4 2nd LINE ON OFF ON OFF OFF OFF
D4 3rd TO 4th GEAR TRANSITION
Selector position Gear Pressure Mode SCS A SCS B SCS C CPCS A CPCS B LUCS
D4 4th CPC OFF OFF ON modulating modulating OFF
Summary Shift Solenoid A is turned OFF which strokes Shift Valve A to connect the 3rd clutch back to CPC
valve A 3rd clutch pressure is turned to CPC mode thru the modulation of Clutch Pressure Control Solenoid
valve A acting on the bore plug side of CPC valve A Clutch Pressure Control Solenoid valve B oil acts on the
bore plug side of CPC valve B which controls the application of the 4th clutch
D4 4th GEAR
Selector position Gear Pressure Mode SCS A SCS B SCS C CPCS A CPCS B LUCS
D4 4th LINE OFF OFF OFF ON ON OFF
Summary Shift Solenoid C is turned OFF which strokes Shift valve C This switches 4th clutch pressure to Line
pressure via the Manual valve Clutch Pressure Control Solenoid valve A is ON to block pressure to the bore plug
SOLENOID CONTROL
side of CPC valve A The 3rd clutch is connected to an exhaust via Shift Valve C
1st Clutch 2nd Clutch 3rd Clutch 4th Clutch
Technical Service Information
AUTOMATIC TRANSMISSION SERVICE GROUP
2nd Clutch 3rd Clutch
Pressure Switch Pressure Switch
TORQUE CONVERTER CLUTCH ENGAGEMENT
D4 3rd GEAR TCC APPLIED
Selector position Gear Pressure Mode SCS A SCS B SCS C CPCS A CPCS B LUCS
3rd and 4th gears
D4 2nd LINE ON OFF ON modulating OFF ON
LOCK UP CONTROL
Summary The Lock up Control Solenoid is turned ON which drains the oil on the spring side of
the Lock up shift valve The computer controls the switching of Partial Half and Full Converter
Clutch application thru the modulation of the Clutch Pressure Control Solenoid valve A
acting on the Lock up timing and control valve Example When Clutch Pressure Control
Solenoid valve A pressure is low and the Lock up Control Solenoid is ON the Torque
Converter Clutch is applied partially When Clutch Pressure Control Solenoid valve A
D4 4th GEAR TCC APPLIED
Selector position Gear Pressure Mode SCS A SCS B SCS C CPCS A CPCS B LUCS
D4 4th LINE OFF OFF OFF ON modulating ON
Summary The Lock up Control Solenoid is turned ON which drains the oil on the spring side of
the Lock up shift valve The computer controls the switching of Partial Half and Full Converter
Clutch application thru the modulation of the Clutch Pressure Control Solenoid valve B
acting on the Lock up timing and control valve Example When Clutch Pressure Control
Solenoid valve B pressure is low and the Lock up Control Solenoid is ON the Torque
Converter Clutch is applied partially When Clutch Pressure Control Solenoid valve B
TORQUE CONVERTER TORQUE CONVERTER TORQUE CONVERTER TORQUE CONVERTER
CLUTCH OFF CLUTCH PARTIAL APPLICATION CLUTCH HALF APPLICATION CLUTCH FULL APPLICATION
TCC TCC TCC TCC
CLUTCH CLUTCH CLUTCH CLUTCH
Technical Service Information
AUTOMATIC TRANSMISSION SERVICE GROUP
The PCM TCM controls lock up apply feel by the use of the A T Clutch Pressure Control Solenoids acting
and full lock up Accord models attain lock up in 3rd and 4th gears Prelude models attain lock up in 2nd
on the lock up control and timing valves as soon as the Lock up Solenoid is turned ON providing partial
The Lock up Solenoid is an ON OFF solenoid which strokes the lock up shift valve to turn lock up ON
Technical Service Information
SOLENOID CHECK AND OPERATION
LOCK UP CONTROL AND SHIFT CONTROL SOLENOID A OFF
LOCK UP CONTROL MODULATING VALVE
SOLENOID PRESSURE TO LOCK UP
SHIFT VALVE
spring side
BLOCKED MODULATING VALVE
PRESSURE TO SHIFT
SHIFT CONTROL VALVE A
SOLENOID A
When the Lock up control Solenoid is OFF Modulating Pressure is HIGH which prevents the Lock up
Shift Valve from stroking
When Shift Control Solenoid A is OFF Modulating Pressure is HIGH which strokes Shift Valve A
LOCK UP CONTROL AND SHIFT CONTROL SOLENOID A ON
LOCK UP CONTROL MODULATING VALVE
SOLENOID PRESSURE TO LOCK UP
SHIFT VALVE
spring side
MODULATING VALVE
PRESSURE TO SHIFT
SHIFT CONTROL VALVE A
SOLENOID A
When the Lock up control Solenoid is ON Modulating Pressure is EXHAUSTED which allows the Lock up Shift
Valve to stroke
When Shift Control Solenoid A is ON Modulating Pressure is EXHAUSTED which allows Shift Valve A to
be held to the right by its spring
Copyright 2002 ATSG
AUTOMATIC TRANSMISSION SERVICE GROUP
Technical Service Information
SOLENOID CHECK AND OPERATION
SHIFT CONTROL SOLENOID B AND C OFF
SCS B SCS C
black connector brown connector
TO SHIFT VALVE B TO SHIFT VALVE C
AND SERVO AND REVERSE
CONTROL VALVE CPC VALVE
CONNECTED CONNECTED
FROM MODULATOR FROM MODULATOR
VALVE VALVE
Summary When Shift Control Solenoid B and C are OFF oil from the Modulating valve is
applied to stroke the valves that the solenoids control
SHIFT CONTROL SOLENOID B AND C ON
SCS B SCS C
black connector brown connector
CONNECTED CONNECTED
FROM SHIFT VALVE B FROM SHIFT VALVE C
AND SERVO AND REVERSE
CONTROL VALVE CPC VALVE
FROM MODULATOR FROM MODULATOR
VALVE VALVE
Summary When Shift Control Solenoid B and C are ON oil from the Modulating
valve is blocked at the end of the solenoid The valves that the solenoids control are
connected to the exhaust at the top of the solenoid
Copyright 2002 ATSG
AUTOMATIC TRANSMISSION SERVICE GROUP

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