Hyundai Sonata 1991 Shop Manual page 409

GENERAL
CHECKING THE CONTROL SYSTEM (WHEN A MULTI-USE TESTER IS USED)
No. Description and display data
Check conditions
Standard value for
judgement
1
Pulse generator A D range (3rd) 50 km/h (31 mph) constant Upper: 1,600
±
200 rpm
o Upper No.19 speed driving
Lower: 3rd
Kickdown drum rpm
o Lower No.38
D range (4th) 50 km/h (31 mph) constant Upper: 0 rpm
Shift step speed driving
Lower: 4th
2
Pulse generator B D range (creep), stop idle Upper: 0 rpm
o Upper No.13
Lower: 0 km/h (0 mph)
Transaxle output shaft rpm
o Lower No.33
D range (4th) 50 km/h (31 mph) constant Upper: 1,800
±
200 rpm
Vehicle speed reed switch speed driving
Lower: 50 km/h (31 mph)
3
Vehicle speed reed switch P range, idle
Upper: 0 km/h (0 mph)
o Upper No.33
-
Vehicle speed reed switch
o Lower, no designation
D range, speedometer reading 50 km/h (31
Upper: 50 km/h (31 mph)
mph) driving
-
4 Throttle position sensor
Accelerator fully open (engine stopped,
Upper: 4.5-5.0V
o Upper No.21
ignition switch : ON)
Lower: OFF
TPS output
o Lower No.28
Accelerator fully closed (engine stopped, Upper: 0.5-0.6V
Accelerator switch
ignition switch : ON)
Lower: ON
5
Kickdown servo switch L range, idle
Upper: ON
o Upper No.25
Lower: 1st
Kickdown servo switch
o Lower No.38 D range, idle
Upper: OFF
Shift step
Lower: C (creep)
6
Oil temperature sensor Start when transaxle cold, urban driving.
Upper: temperature rises
o Upper No.24
Oil temperature sensor
After driving, stop engine and leave as is.
Upper: temperature even-
o Lower, no designation
tually decreases.
7 Accelerator switch
Depress accelerator pedal slowly. Upper: change from ON to
o Upper No.28
OFF at a throttle-position
Accelerator switch
sensor output of about
o Lower No.21
0.5V.
TPS output
Release accelerator pedal slowly.
Upper: change from OFF to
ON at a throttle-position
sensor output of about
0.5V.
45-20