23A-INSPECTION PROCEDURES BY USING OSCILLOSCOPE

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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	Engine: Idling Selector lever position: "P"
3	LBLS	Low brake solenoid valve	Selector lever position: "D" Drive at a constant speed of approx. 20 km/h (12.4 mph)
41	HRLS	High clutch and reverse brake solenoid valve
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 (12.4 mph)	Waveform B
33	PRMS	Primary pulley speed sensor	Selector lever position: "L" Drive at a constant speed of approx. 20 km/h (12.4 mph) (secondary shift mechanism: at 1st gear)
33	PRMS	Primary pulley speed sensor	Selector lever position: "L" Drive at a constant speed of approx. 20 km/h (12.4 mph) (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 (12.4 mph) (auxiliary gearbox: at 1st gear)
34	SECS	Secondary pulley speed sensor	Selector lever position: "D" Drive at a constant speed of approx. 20 km/h (12.4 mph) (auxiliary gearbox: at 2nd gear)

WAVEFORM SAMPLE

Waveform A

Waveform B