OSCILLOSCOPE INSPECTION PROCEDURES





Terminal No.
Terminal code
Check item
Check conditions
Wave patterns
1
PLLS
Line pressure solenoid valve

  • Engine: Idling
  • Selector lever position: P

Waveform A
2
PRLS
Primary pressure solenoid valve
3
LBLS
Low brake solenoid valve

  • Selector lever position: D
  • Drive at a constant speed of approx. 20 km/h

41
HRLS
High clutch and reverse brake solenoid valve

  • Selector lever position: D
  • Drive at a constant speed of approx. 20 km/h

52
LULS
Lockup solenoid valve

  • Driving conditions
  • Lockup engaged

32
OUTS
Output speed sensor

  • Selector lever position: D
  • Drive at a constant speed of approx. 20 km/h

Waveform B
33
PRMS
Primary pulley speed sensor

  • Selector lever position: B/L
  • Drive at a constant speed of approx. 20 km/h (auxiliary gearbox: at 1st gear)


  • Selector lever position: B/L
  • Drive at a constant speed of approx. 20 km/h (auxiliary gearbox: at 2nd gear)

34
SECS
Secondary pulley speed sensor

  • Selector lever position: D
  • Drive at a constant speed of approx. 20 km/h (auxiliary gearbox: at 1st gear)


  • Selector lever position: D
  • Drive at a constant speed of approx. 20 km/h (auxiliary gearbox: at 2nd gear)


WAVEFORM SAMPLE


Waveform A

Waveform B