CVT System Description - Electronic Controls

Electronic Control System


PCM Terminal Connections

 

PCM Inputs and Outputs

 


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 BLK 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 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 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)

 


PCM CONNECTOR B (24P)
Terminal Number Wire Color Signal Description Measuring Conditions/Terminal Voltage 
B19 LT GRN/RED S-DN Downshift switch signal input With ignition switch ON (II):
Downshift switch pressed: 0 V
Downshift switch released: About 5 V 
B20 YEL S-UP Upshift switch signal input 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 BLK 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 (7Speed Mode) signal input In the 7Speed Mode: 0 V
Released the 7Speed 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 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 With ignition switch ON (II) and not in the 7Speed Mode: About 5 V
In the 7Speed Mode
  • 4th, 5th, 6th speed: About 5 V
  • 1st, 2nd, 3rd, 7th speed: About 0.3 V
 
E9 BLK/YEL IG 1 Power supply circuit for solenoid valves With ignition switch ON (II): Battery voltage With ignition switch OFF: 0 V 
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 With ignition switch ON (II) and not in the 7Speed Mode: About 5 V
In the 7Speed 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 With ignition switch ON (II) and not in the 7Speed Mode: About 5 V
In the 7Speed 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