CVT-ECU TERMINAL VOLTAGE TABLE




Terminal No.
 Check item
 Check conditions
 Standard value
1
 Line pressure solenoid valve
  • Ignition switch: ON
  • Engine: Stopped
  • Selector lever position: P

 Accelerator pedal: Fully closed
 Approx. 5.0 - 7.0 V
Accelerator pedal: Fully opened
 Approx. 1.0 V
2
 Secondary pressure solenoid valve
  • Ignition switch: ON
  • Engine: Stopped
  • Selector lever position: P

 Accelerator pedal: Fully closed
 Approx. 5.0 - 7.0 V
Accelerator pedal: Fully opened
 Approx. 3.0 - 4.0 V
3
 Lockup/select switching solenoid valve
  • Ignition switch: ON
  • Engine: Stopped

 Selector lever position: N, P
 System voltage
Selector lever position: 5 or more seconds have passed after the selector lever has been moved to R or D position.
 1 V or less
4
 CAN_H
 -
 -
5
 CAN_L
 -
 -
12
 Power supply
 Ignition switch: ON
 System voltage
Ignition switch: OFF
 1 V or less
13
 Earth
 Always
 1 V or less
14
 Lockup solenoid valve
 Driving conditions
 Lockup released
 Approx. 6.0 V
Lockup engaged
 Approx. 1.5 V
17
 ROM assembly (SEL2)
 -
 -
18
 ROM assembly (SEL1)
 -
 -
19
 ROM assembly (SEL3)
 -
 -
21
 Paddle shift switch (down)
 Ignition switch: ON
 Paddle shift lever position: Downshift and hold
 1 V or less
Paddle shift lever position: Other than the above
 System voltage
22
 Paddle shift switch (up)
 Ignition switch: ON
 Paddle shift lever position: Upshift and hold
 1 V or less
Paddle shift lever position: Other than the above
 System voltage
25
 Power supply
 Ignition switch: ON
 System voltage
Ignition switch: OFF
 1 V or less
26
 Earth
 Always
 1 V or less
31
 Back-up power supply
 Always
 System voltage
32
 Inhibitor switch P
  • Ignition switch: ON
  • Selector lever position: P

 System voltage

  • Ignition switch: ON
  • Selector lever position: Other than P

 1 V or less
33
 Inhibitor switch R
  • Ignition switch: ON
  • Selector lever position: R

 System voltage

  • Ignition switch: ON
  • Selector lever position: other than R

 1 V or less
34
 Inhibitor switch N
  • Ignition switch: ON
  • Selector lever position: N

 System voltage

  • Ignition switch: ON
  • Selector lever position: Other than N

 1 V or less
35
 Select switch
 Ignition switch: ON
 Selector lever position: Sport mode
 System voltage
Selector lever position: Other than the above
 1 V or less
36
 Secondary pulley speed sensor
  • Selector lever position: D
  • Drive at a constant speed of approx. 20 km/h
  • Use an oscilloscope to measure the voltage between the terminals No. 36 and No. 60.

 Oscilloscope inspection procedure (Refer to .)
37
 Primary speed sensor
  • Selector lever position: D
  • Drive at a constant speed of approx. 20 km/h
  • Use an oscilloscope to measure the voltage between the terminals No. 37 and No. 60.

 Oscilloscope inspection procedure (Refer to .)
39
 Secondary pressure sensor
  • Engine: Idling
  • Selector lever position: N

 Approx. 1.0 V
40
 Stepper motor A
 Within 2 seconds after the ignition switch is turned to the ON position
 Pulse width: 30 ms
41
 Stepper motor B
 Within 2 seconds after the ignition switch is turned to the ON position
 Pulse width: 10 ms
43
 Upshift switch
 Selector lever position: Sport mode
 Selector lever position: Upshift and hold
 1 V or less
Selector lever position: Other than the above
 System voltage
44
 Downshift switch
 Selector lever position: Sport mode
 Selector lever position: Downshift and hold
 1 V or less
Selector lever position: Other than the above
 System voltage
45
 Inhibitor switch D
  • Ignition switch: ON
  • Selector lever position: D

 System voltage

  • Ignition switch: ON
  • Selector lever position: other than D

 1 V or less
47
 Primary pressure sensor
  • Engine: Idling
  • Selector lever position: N

 Approx. 0.7 - 3.5 V
48
 Sensor earth
 Always
 1 V or less
49
 Sensor power supply:
 Ignition switch: ON
 5.0 V
50
 CVT fluid temperature sensor
  • Ignition switch: ON
  • CVT fluid temperature: 20°C

 Approx. 2.0 V

  • Ignition switch: ON
  • CVT fluid temperature: 80°C

 Approx. 1.0 V
51
 Stepper motor C
 Within 2 seconds after the ignition switch is turned to the ON position
 Pulse width: 30 ms
52
 Stepper motor D
 Within 2 seconds after the ignition switch is turned to the ON position
 Pulse width: 10 ms