Honda Jazz/Fit 2005 · Service Manual

CVT System Description - Electronic Controls (L12A/L13A CVT)

CVT System Description - Electronic Controls

Electronic Control System


PCM Electrical Connections-6-position CVT

 

SAA3ED2E15117700000CAAD012741818173028136153CVT PG2C3C5CVT PG1131112522116DR LS-DR LS+E11D INDSCSE29IG1BATTERYDN LS+SC LS+B7B16B24IG1E9PCMC6SOL INHE23K-LINEBRAKE LIGHTE22BK SWTPSA15ATP LC11C9ATP DATP RC10RLDPNSWITCHRANGETRANSMISSIONLNRPC20C12ATP NPC1DN LS-C8SC LS-CVT DRIVENPULLEY PRESSURECONTROL VALVEGAUGE ASSEMBLYIGNITION SWITCHA20VCC2A10SG2SENSORTEMPERATUREENGINE COOLANTCPUSATP SVABSA18POSITION SWITCHBRAKE PEDALB8ECTTHROTTLEPOSITION SENSORSOLENOIDINHIBITORBATABS CONTROL UNITDControl and Dimming CircuitA (31P)B (24P)C (22P)E (31P)PCM Connector Terminal Locations31262297315182924232011121081516721171614131076543282324272829302120191512111012345679DATA LINK CONNECTORSPG1A5A4PG226LG2A23A24LG1VALVEPRESSURE CONTROLCVT START CLUTCHCVT DRIVEPULLEY PRESSURECONTROL VALVEC7NDRCVT DRIVEPULLEY SPEEDSENSORSG1A11VCC1A21A19MAPPRESSURE (MAP)ABSOLUTEMAINFOLDSENSORSENSORPULLEY SPEEDCVT DRIVENNDNC15SENSORCVT SPEEDC22VEL1249162225C16

Electronic Control System (cont'd)


PCM Electrical Connections-6-position CVT +7 Speed Mode

 

SAA3ED2E15117700000CAAD0227418121817B12S INDFUEL CUTOFF(KE, KG, KR, models)SWITCH136( 2 )2210116C3CVT PG2CVT PG1C530133528212081320191111125A (31P)B (24P)C (22P)E (31P)PCM Connector Terminal Locations31262297315182924232011121081516721171614137654328232427282930212019151211101234567926249162225CONTROL VALVEPULLY PRESSUREPG2A24LG1A4A5PG1LG2A23LED CE20E21LED BE8LED AInput CircuitSTEERING SHIFT SWITCHMAIN SWITCH(7SPEED MODE)/S-DNS-UPS-UPS-DN7SPEED MODEM INDB11MDR LS-DR LS+E11D INDSCSE29IG1BATTERYDN LS+SC LS+B7B16B24IG1E9PCMC6SOL INHE23K-LINEBRAKE LIGHTSE22BK SWTPSA15ATP LC11C9ATP DATP RC10RLDPNSWITCHRANGETRANSMISSIONLNRPC20C12ATP NPC1DN LS-C8SC LS-CVT DRIVENPULLY PRESSURECONTROL VALVEGAUGE ASSEMBLYIGNITION SWITCHA20VCC2A10SG2SENSORTEMPERATUREENGINE COOLANTCPUSATP SVABSA18POSITION SWITCHBRAKE PEDALB8ECTTHROTTLEPOSITION SENSORSOLENOIDINHIBITORBATABS CONTROL UNITDDimming CircuitDATA LINK CONNECTORSC13M-SWS-UPB20B19S-DNVALVEPRESSURE CONTROLCVT START CLUTCHCVT DRIVEC7NDRCVT DRIVEPULLEY SPEEDSENSORSG1A11VCC1A21A19MAPPRESSURE (MAP)ABSOLUTEMAINFOLDSENSORSENSORPULLEY SPEEDCVT DRIVENNDNC15SENSORCVT SPEEDC22VEL1C161

PCM Inputs and Outputs

 

SAA3ED2E15117700000CAAD03PCM Connector Terminal LocationsA (31P)B (24P)C (22P)E (31P)


PCM CONNECTOR A (31P)
Terminal Number Wire Color Signal Description Measuring Conditions/Terminal Voltage 
A2 YEL/BLK IGP2 Power supply circuit from main relay With ignition switch ON (II): Battery voltage
With ignition switch OFF: 0 V 
A3 YEL/BLK IGP1 Power supply circuit from main relay With ignition switch ON (II): Battery voltage
With ignition switch OFF: 0 V 
A4 BRN PG2 Ground  
A5 BLK PG1 Ground  
A10 GRN/BLK SG2 Sensor ground  
A11 GRN/WHT SG1 Sensor ground  
A18 BLU/WHT VABS Vehicle speed sensor signal input With ignition switch ON (II): About 5 V
With ignition switch OFF: 0 V 
A20 YEL/BLU VCC2 Power supply circuit for sensors With ignition switch ON (II): About 5 V
With ignition switch OFF: 0 V 
A21 YEL/RED VCC1 Power supply circuit for sensors With ignition switch ON (II): About 5 V
With ignition switch OFF: 0 V 
A23 BRN/YEL LG2 Ground  
A24 BRN/YEL LG1 Ground  



PCM CONNECTOR B (24P)
Terminal Number Wire Color Signal Description Measuring Conditions/Terminal Voltage 
B7 GRN/WHT DN LS + CVT driven pulley pressure control valve power supply positive electrode With ignition switch ON (II): Pulsing signal 
B11 RED/WHT M IND [M] indicator control
(6-position CVT +7 Speed Mode) 		When 7-speed manual shifting mode is selected: About 6 V
In other than manual shifting mode: 0 V 
B12 LT GRN S IND [S] indicator control
(6-position CVT +7 Speed Mode) 		In the [S] position: About 6 V
In other than the [S] position: 0 V 
B16 YEL SC LS + CVT start clutch pressure control valve power supply positive electrode With ignition switch ON (II): Pulsing signal 

Electronic Control System (cont'd)


PCM Inputs and Outputs (cont'd)

 

SAA3ED2E15117700000CAAD04PCM Connector Terminal LocationsA (31P)B (24P)C (22P)E (31P)


PCM CONNECTOR B (24P)
Terminal Number Wire Color Signal Description Measuring Conditions/Terminal Voltage 
B19 LT GRN/RED S-DN Downshift switch signal input
(6-position CVT +7 Speed Mode) 		With ignition switch ON (II):
Downshift switch pressed: 0 V
Downshift switch released: About 5 V 
B20 YEL S-UP Upshift switch signal input
(6-position CVT +7 Speed Mode) 		With ignition switch ON (II):
Upshift switch pressed: 0 V
Upshift switch released: About 5 V 
B24 BLU/WHT DR LS+ CVT drive pulley pressure control valve power supply positive electrode With ignition switch ON (II): Pulsing signal 



PCM CONNECTOR C (22P)
Terminal Number Wire Color Signal Description Measuring Conditions/Terminal Voltage 
C1 PNK/BLK DN LS - CVT driven pulley pressure control valve power supply negative electrode With ignition switch ON (II): Pulsing signal 
C3 BRN CVT PG2 Ground  
C5 BLK CVT PG1 Ground  
C6 GRN/BLK SOL INH Inhibitor solenoid control With inhibitor solenoid ON (II): Battery voltage
With inhibitor solenoid OFF: 0 V 
C7 RED/BLU NDR CVT drive pulley speed sensor signal input With ignition switch ON (II): 0 V or about 5 V
With engine at idle in the [N] position: About 2.5 V 
C8 PNK/BLU SC LS - CVT start clutch pressure control valve power supply negative electrode With ignition switch ON (II): Pulsing signal 
C9 BLU/WHT ATP S Transmission range switch [S] position input In the [S] position: 0 V
In other than the [S] position: About 5 V 
C10 WHT ATP R Transmission range switch [R] position input In the [R] position: 0 V
In other than the [R] position: About 10 V 
C11 BLU ATP L Transmission range switch [L] position input In the [L] position: 0 V
In other than the [L] position: About 10 V 
C12 LT GRN ATP NP Transmission range switch [P] and [N] positions input In the [P] and [N] positions: 0 V
In other than the [P] and [N] positions: About 5 V 


PCM CONNECTOR C (22P)
Terminal Number Wire Color Signal Description Measuring Conditions/Terminal Voltage 
C13 YEL M-SW Main switch (7 Speed Mode) signal input
(6-position CVT +7 Speed Mode) 		In the 7 Speed Mode: 0 V
Released the 7 Speed Mode: About 5 V 
C15 WHT NDN CVT driven pulley speed sensor signal input With ignition switch ON (II): 0 V or about 5 V
With engine at idle in the [N] position: About 2.5 V 
C16 GRN/YEL DR LS - CVT drive pulley pressure control valve power supply negative electrode With ignition switch ON (II): Pulsing signal 
C20 PNK ATP D Transmission range switch [D] position input In the [D] position: 0 V
In other than the [D] position: About 5 V 
C22 WHT/RED VEL1 CVT speed sensor signal input With ignition switch ON (II): 0 V or about 5 V
With driving (front wheels rotating): About 2.5 V 



PCM CONNECTOR E (31P)
Terminal Number Wire Color Signal Description Measuring Conditions/Terminal Voltage 
E8 BLU/WHT LED A Shift indicator control
(6-position CVT +7 Speed Mode) 		With ignition switch ON (II) and not in the 7 Speed Mode: About 5 V
In the 7 Speed Mode
  • 4th, 5th, 6th speed: About 5 V
  • 1st, 2nd, 3rd, 7th speed: About 0.3 V
 
E9 YEL/BLK (KE,KG,KR models) IG 1 Power supply circuit With ignition switch ON (II): Battery voltage With ignition switch OFF: 0 V 
BLK/YEL (KK,KQ,KT,KU models) 
E11 PNK D IND [D] indicator control When ignition switch is first turned ON (II): About 6 V for 2 seconds
In the [D] position: About 6 V 
E13 BLU/RED SLC Shift lock control With ignition switch ON (II), in the [P] position brake pedal pressed, and accelerator pedal released: Battery voltage 
E20 GRN/BLK LED C Shift indicator control
(6-position CVT +7 Speed Mode) 		With ignition switch ON (II) and not in the 7 Speed Mode: About 5 V
In the 7 Speed Mode
  • 1st, 3rd, 5th speed: About 5 V
  • 2nd, 4th, 6th, 7th speed: About 0.3 V
 
E21 RED/WHT LED B Shift indicator control
(6-position CVT +7 Speed Mode) 		With ignition switch ON (II) and not in the 7 Speed Mode: About 5 V
In the 7 Speed Mode
  • 2nd, 3rd, 6th speed: About 5 V
  • 1st, 4th, 5th, 7th speed: About 0.3 V
 
E22 WHT/BLK BK SW Brake pedal position switch signal input Brake pedal pressed: Battery voltage
Brake pedal released: 0 V 
E23 RED/WHT K-LINE Communication line PCM-to-DLC With ignition switch ON (II): Battery voltage 
E29 BRN SCS SCS terminal signal input With ignition switch ON (II)
  • SCS terminals open: About 5 V
  • SCS terminals short-circuited to ground: 0 V
 

Circuit Diagram-6-position CVT

 

SAA3ED2E15117700000CAAD90BRNBRNBLKBLKBRN/YELBRN/YELCVT DRIVEN PULLEYSPEED SENSORMANIFOLD ABSOLUTEPRESSURE SENSORCVT DRIVE PULLEYSPEED SENSORTEMPERATURESENSORCOOLANTENGINESENSORTHROTTLE POSITIONDATA LINKCONNECTOR(on some types)2210116PG1A4PG2CVTPG2BRNC3PG1A5BRN/YEL301393528G101VEL1C22WHT/REDBRN/YELYEL/RED2CVT SPEED SENSOR13WHTC15NDN312YEL/REDBRN/YELRED/GRNYEL/REDVCC1A21MAPA19SG1A11312YEL/REDGRN/WHTBRN/YELYEL/BLU2UNITCONTROLABSINHIBITOR SOLENOID12CVT DRIVE PULLEYGRN/YELBLU/WHTB24C1621VALVEPRESSURE CONTROLDR LS+DR LS-CVT START CLUTCHPRESSURE CONTROLVALVESC LS-SC LS+DN LS+VALVE251211162497654321101112131519202130292827242382345671314161721761158101211202223242918153579222631PCM Connector Terminal LocationsE (31P)C (22P)B (24P)A (31P)K-LINEE23RED/WHTA17G101PRESSURE CONTROLCVT DRIVEN PULLEY12NDRC7RED/BLU13ECTB8RED/WHT12G101DN LS-SOL INHLG1C1B7C8B16C6A24POWERTRAIN CONTROL MODULE (PCM)21PNK/BLKGRN/WHTYELPNK/BLUGRN/BLKA23LG2GRN/BLKA10SG2123RED/BLKYEL/BLUA15TPSA20VCC2BRNE29SCSBLU/WHTA18VABS2646BLKCVTPG1C5171818127No.16 (10A)CIRCUITDIMMINGBRAKEPEDALUNDER-DASHUNDER-HOOD FUSE/RELAY BOXBLULC11ATP9B6CONTROLSHIFT LOCKSOLENOIDLLBLK/BLUE11PNKD INDBLU/REDE13SLCRED/BLKWHTB9B10BLUB8BLU/WHTDPRNSSBK SWE22WHT/GRNWHT/BLKSWITCHPOSITIONBATATPC9C12ATPSBLU/WHTLT GRNB14B13B12G101BLKNPG401BLKNo.11 (15A)ATPRWHTC10FUSE/RELAY BOXA9IGNITION SWITCHGAUGE ASSEMBLYBLK/BLUWHTIG1CPU67283410RED/BLKPRNTRANSMISSION RANGE SWITCHDSTEPNKC20DATPBATTERYPOWERTRAIN CONTROL MODULE (PCM)No.1 (80A)E9BLK/YELIG1No.3 (50A)To 5V


Circuit Diagram-6-position CVT +7 Speed Mode

 

SAA3ED2E15117700000CAAD91( 2 )2210116BRNBRNBRNBLKCVT SPEED SENSORSPEED SENSORCVT DRIVEN PULLEYMANIFOLD ABSOLUTEPRESSURE SENSORSPEED SENSORCVT DRIVE PULLEYSENSORTEMPERATURECOOLANTENGINETHROTTLE POSITIONSENSORCONNECTORDATA LINK(on some types)2120813201911CVTPG2A4PG2CVTPG1PG1C3BRN/YELBRN/YEL301393528G101VEL1C22WHT/REDBRN/YELYEL/RED213WHTC15NDN312YEL/REDBRN/YELRED/GRNYEL/REDVCC1A21MAPA19SG1A11312YEL/REDGRN/WHTBRN/YELYEL/BLU2UNITCONTROLABSINHIBITOR SOLENOID12CVT DRIVE PULLEYGRN/YELBLU/WHTB24C1621VALVEPRESSURE CONTROLDR LS+DR LS-CVT START CLUTCHPRESSURE CONTROLVALVESC LS-SC LS+DN LS+VALVE2512111624975432101112131519202130292827242382345671314161721761158101211202223242918153579222631PCM Connector Terminal LocationsE (31P)C (22P)B (24P)A (31P)K-LINEE23RED/WHTC5BLKA5G101PRESSURE CONTROLCVT DRIVEN PULLEY12NDRC7RED/BLU13ECTB8RED/WHT12BRN/YELG101DN LS-SOL INHLG1C1B7C8B16C6A24POWERTRAIN CONTROL MODULE (PCM)21PNK/BLKGRN/WHTYELPNK/BLUGRN/BLKA23LG2GRN/BLKA10SG2123RED/BLKYEL/BLUA15TPSA20VCC2BRNE29SCSBLU/WHTA18VABS26161718121814627BRAKEATPPEDALUNDER-DASHUNDER-HOOD FUSE/RELAY BOXBLU/REDSLCE13B64321L9C11LBLUTo 5VE8BLU/WHTLED ALED BRED/WHTE21E20LED CGRN/BLKB5B4B3RED/WHTM INDB11RED/BLKBLK/BLUS-DNB19S-UPB20M-SWC13LT GRN/REDYELYELBRN/WHTWHT/BLUGRN/WHTBLKG402BLKBRN/WHTWHT/BLUGRN/WHT34MAIN SWITCH (7SPEED MODE)/STEERING SHIFT SWITCH25S-UPS-UPS-DNS-DNM-MODENo.16 (10A)PNKE11D INDWHTB9SBK SWE22WHT/GRNWHT/BLKSWITCHPOSITIONBATATPC9C12ATPSBLU/WHTLT GRNB14B13B12G101BLKNPNo.11 (15A)ATPRWHTC10FUSE/RELAY BOXIGNITION SWITCHGAUGE ASSEMBLYBLK/BLUWHTIG167283410RED/BLKPRNTRANSMISSION RANGE SWITCHDSTEPNKC20DATPBATTERYPOWERTRAIN CONTROL MODULE (PCM)No.1 (80A)E9IG1No.3 (50A)To 5VLT GRNS INDB12(KK, KQ, KT, KU models)(KE, KG, KR models)BLK/YEL(KE, KG, KR models)SWITCHFUEL CUTOFFBLK/YELCIRCUITDIMMINGCIRCUITINPUTSOLENOIDSHIFT LOCKCONTROLSHIFTINDICATORBRN/WHTB11MLB10BLUB8BLU/WHTDPRNSG401BLKA9CPUYEL/BLK