Hyundai Sonata 1991 Shop Manual page 407

Fault
code
49
51
52
53
54
45--18
Fault code (for voltmeter)
---.nnnJlJlIUll1JlJlJUlIL
GENERAL
Cause
Malfunction of the damper clutch
system
First gear non-synchronous
Second gear non-synchronous
Third gear non-synchronous
Fo,urth gear non-synchronous
Remedy
o Check the damper clutch control
solenoid valve drive circuit har-
ness.
o Check the damper clutch
hydraulic pressure system.
o Check the damper clutch control
solenoid valve itself.
o Replace the control unit.
o Check the pulse generator output
circuit harness.
o Check the pulse generator con-
nector.
o Check pulse generator A and
pulse generator B themselves.
o Kickdown brake slippage.
o Check the pulse generator A
output circuit harness.
o Check the pulse generator A
connector.
o Check pulse generator A itself.
o Kickdown brake slippage.
o Check the pulse generator A
output circuit harness.
o Check the pulse generator con-
nector.
o Check pulse generator A and
pulse generator B themselves.
o Front clutch slippage.
o Rear clutch slippage.
o Check the pulse generator A
output circuit harness.
o Check the pulse generator A
connector.
o Check pulse generator A itself.
o Kickdown brake slippage.