[ Model - ECLIPSE CROSS / Year - 2018 ]
2018 / ECLIPSE CROSS / EC - Workshop Manual
23 -AUTOMATIC TRANSMISSION > 23A-CVT > TROUBLESHOOTING<CVT><CVT> > INSPECTION PROCEDURES BY USING OSCILLOSCOPE
OSCILLOSCOPE INSPECTION PROCEDURES
With the connector remain connected, connect the oscilloscope probe to each terminal of CVT-ECU.
Terminal No.Terminal codeCheck itemCheck conditionsNormal conditionsWave patterns
1PLLSLine pressure solenoid valve
  • Engine: Idling
  • Selector lever position: N
Accelerator pedal: Fully closedON pulse (activation signal) width (Long)Wave pattern A
Accelerator pedal: Fully openedON pulse (activation signal) width (Short)Wave pattern B
2PRLSPrimary pressure solenoid valve
  • Selector lever position: Sport mode (1st gear)
  • Drive at a constant speed of approx. 20 km/h
Pulse signal displayedWave pattern A
3SCLSSecondary pressure solenoid valve
  • Selector lever position: Sport mode (1st gear)
  • Drive at a constant speed of approx. 20 km/h
Pulse signal displayedWave pattern A
32TRBSTurbine speed sensor
  • Selector lever position: Sport mode (1st gear)
  • Drive at a constant speed of approx. 20 km/h
approx. 1,350 HzWave pattern C
33PRMSPrimary pulley speed sensor
  • Selector lever position: Sport mode (1st gear)
  • Drive at a constant speed of approx. 20 km/h
approx. 1,350 HzWave pattern C
34SECSSecondary pulley speed sensor
  • Selector lever position: Sport mode (1st gear)
  • Drive at a constant speed of approx. 20 km/h
approx. 165 HzWave pattern D
41LBLSSelect solenoid valve
  • Engine: Idling
  • When the vehicle is stationary
  • Selector lever position: N
Pulse signal displayedWave pattern A
44EOPIElectric oil pump inputWhile the AS&G is activatedapprox. 100 HzWave pattern G
Ignition switch: OFF approx. 0 Hz-
45EOPOElectric oil pump outputWhile the AS&G is activatedapprox. 100 HzWave pattern G
Ignition switch: OFF approx. 0 Hz-
52LULSLock-up solenoid valve
  • Selector lever position: D
  • Accelerator pedal opening angle: 12.5% or less
  • Drive at a constant speed of approx. 20 km/h
ON pulse (activation signal) width (Long)Wave pattern E
  • Engine: Idling
  • When the vehicle is stationary
ON pulse (activation signal) width (Short)Wave pattern F
 
 
WAVE PATTERN SAMPLE
Wave pattern A
Wave pattern B
Wave pattern C
 
 
 
Wave pattern D
Wave pattern E
Wave pattern F
 
 
 
Wave pattern G