Check The Control System (Using The Hi-Scan Tool)

HI-SCAN TOOL REFERENCE CHART

Diagnosis items	Checking procedures		Probable cause
Diagnosis items	Check conditions	Normal value	Probable cause
Fluid temperature sensor	Engine doesn't operate before starting	Equivalent to outside air temperature	Malfunction of the fluid temperature sensor or the circuit harness
	While warming up engine	Gradual increase
	After warming up engine	80-110°C (176-230°F)
Kickdown servo switch	"L" range: Idling	ON	Malfunction of the kickdown servo adjustment Malfunction of the kickdown servo switch or the circuit harness Malfunction of the kickdown servo system
	"D" range: 1st or 3rd gear	ON
	"D" range: 2nd or 4th gear	OFF
Ignition signal Engine RPM	"N" range: Idling	650-900 RPM	Malfunction of the ignition system Malfunction of the ignition signal pick-up circuit
Ignition signal Engine RPM	"N" range, 2500 RPM (Tachometer)	2400-2600 RPM
Idling switch	Accelerator pedal fully released	ON	Malfunction of the TPS adjustment Malfunction of the TPS or the circuit harness
Idling switch	Press accelerator pedal slightly	OFF
Air conditioning relay signal	"D" range: Air conditioning ON	ON	Malfunction of the air conditioning power relay circuit harness
Air conditioning relay signal	"D" range: Air conditioning OFF	OFF
Transaxle range switch	"D" range: Idling	C (creep)	Malfunction of the TCM Malfunction of the idling switch system Malfunction of the inhibitor switch system Malfunction of the TPS system
	"L" range: Idling	1st gear
	"2" range: 2nd gear	2nd gear
	"D" range: Overdrive switch is turned OFF, 3rd gear	3rd gear
	"D" range: Overdrive switch is turned ON, 4th gear	4th gear
Pulse generator-A Turbine RPM	"D" range: Engine stopped	0 RPM	Malfunction of the pulse generator-A or the circuit harness Incoming noise from outside
	"D" range: Driving at 50 km/h (31 mph) in 3rd gear	1600-2000 RPM
	"D" range: Driving at 50 km/h (31 mph) in 4th gear	1100-1400 RPM
Pulse generator-B Output shaft RPM sensor	"D" range: Engine stopped	0 RPM	Malfunction of the pulse generator-B or the circuit harness Incoming noise from outside
	"D" range: Driving at 50 km/h (31 mph) in 3rd gear	1600-2000 RPM
	"D" range: Driving at 50 km/h (31 mph) in 4th gear	1600-2000 RPM
Overdrive switch	Overdrive switch is turned ON	OD: ON	Malfunction of the overdrive switch or the circuit harness
Overdrive switch	Overdrive switch is turned OFF	OD: OFF	Malfunction of the overdrive switch or the circuit harness
Inhibitor switch	Shift select lever to "P" range	P	Malfunction of the inhibitor switch adjustment Malfunction of the inhibitor switch or the circuit harness Malfunction of the manual control cable
	Shift select lever to "R" range	R
	Shift select lever to "N" range	N
	Shift select lever to "D" range	D
	Shift select lever to "2" range	2
	Shift select lever to "L" range	L
Vehicle speed sensor	Keep vehicle stopped	0km/h	Malfunction of the vehicle speed sensor if high speed signal is delivered while vehicle is stopping In other cases, malfunction of the vehicle speed sensor or circuit harness
	Driving at 30 km/h (19 mph)	30 km/h (19 mph)
	Driving at 50 km/h (31 mph)	50 km/h (31 mph)
Pressure control solenoid valve duty (PCSV duty)	"D" range: Idling	60-80%	When accelerator pedal is slightly pressed while idling in "D" range, duty should become 100% Malfunction of the TCM Malfunction of the TPS system Malfunction of the idling switch system
	"D" range: 1st gear	100%
	"D" range: During shift	Varies with condition
Damper clutch slip RPM Turbine RPM	"D" range: 3rd gear, 1500 RPM (Tachometer)	200-300 RPM	Malfunction of the damper clutch Malfunction of the ignition signal wire or pulse generator-B system Abnormality transaxle fluid pressure Malfunction of the damper clutch solenoid valve
Damper clutch slip RPM Turbine RPM	"D" range: 3rd gear, 3500 RPM (Tachometer)	0 RPM
DCCSV duty	"D" range: 3rd gear, 1500 RPM (Tachometer)	0%	Malfunction of the TCM Malfunction of the TPS system Malfunction of the pulse generator-B system
DCCSV duty	"D" range: 3rd gear, 2500 RPM (Tachometer)	Varies with load