Hyundai Sonata 1991 Shop Manual page 184

Trouble Symptom 9
AUTOMATIC SPEED CONTROL (CRUISE)
Trouble symptom
Probable cause
Remedy
ASC system can be set while traveling
Malfunction of the vehicle- Repair the vehicle speed sen-
at a vehicle speed of less than
40
speed sensor circuit
sor system, or replace the part
km/h (25 mph), or there is no auto-
Malfunction of the speedome-
matic cancellation at that speed
ter cable or the speedometer
drive gear
Malfunction of the ECU Replace the ECU.
Trouble Symptom 10
Trouble symptom Probable cause Remedy
The cruise main switch indicator lamp
Damaged or disconnected bulb Repair the harness or replace
does not illuminate of cruise main switch indicator the part.
(But ASC system is normaL)
lamp
Harness damaged or discon-
nected
Trouble Symptom 11
Trouble symptom Probable cause Remedy
No alarm sound when SET switch or
Malfunction of the alarm
cir-
Repair the harness or replace
RESUME switch is used. cuit the part
(But ASC system is normaL)
Malfunction of the ECU
Trouble Symptom 12
Trouble symptom
Probable cause Remedy
Malfunction of control function by
Malfunction of circuit related to Repair the harness or replace
ON/OFF switching of ELC 4 A/T accel-
accelerator switch OFF func- the part
erator switch tion
(Vehicles with an automatic transaxle)
Malfunction of the ECU
(Non-operation of damper clutch, No.
2nd gear hold, etc.)
27-65