Hyundai HL955 Manual page 124

Fault code Meaning of the fault code
(Hex) possible reason for fault detection
9B
O.C. at converter lock up clutch solenoid
TCU detected a wrong voltage at the
output pin, that looks like a O.C. for this
output pin
· C a b l e i s d e fe c t i ve a n d h a s n o
connection to TCU
· Conver ter clutch solenoid has an
internal defect
·Connector has no connection to TCU
9C
S.C. to battery voltage at converter lock
up clutch solenoid
TCU detected a wrong voltage at the
output pin, that looks like a S.C. to battery
voltage
· Cable is defective and has no contacted
to battery voltage
· Conver ter clutch solenoid has an
internal defect
· Connector pin is contacted to battery
voltage
A1
S.C. to ground at difflock or axle
connection solenoid
TCU detected a wrong voltage at the
output pin, that looks like a S.C. to vehicle
ground
· Cable is defective and is contacted to
vehicle ground
·Difflock solenoid has an internal defect
· Connector pin is contacted to vehicle
ground
A2
S.C. to battery voltage at difflock or axle
connection solenoid
TCU detected a wrong voltage at the
output pin, that looks like a S.C. to battery
voltage
· C a b l e i s d e fe c t i ve a n d h a s n o
connection to battery voltage
· Difflock solenoid has an internal defect
· Connector pin is contacted to battery
voltage
A3
O.C. at difflock or axle connection
solenoid
TCU detected a wrong voltage at the
output pin, that looks like a O.C. for this
output pin
· C a b l e i s d e fe c t i ve a n d h a s n o
connection to TCU
· Difflock solenoid has an internal defect
·Connector has no connection to TCU
※ Some fault codes are not applied to this machine.
Reaction of the TCU
Converter clutch always
o p e n , r e t a r d e r n o t
available
OP mode : Normal
No reaction
OP mode : Normal
No reaction
OP mode : Normal
No reaction
OP mode : Normal
No reaction
OP mode : Normal
3-68
Possible steps to repair
·
Check the cable from TCU to the
converter clutch solenoid
·
C h e ck t h e c o n n e c t o r s f r o m
converter clutch solenoid to TCU
·
Check the resistance* of converter
clutch solenoid
* See page 3-74
·
Check the cable from TCU to the
converter clutch solenoid
·
C h e ck t h e c o n n e c t o r s f r o m
converter clutch solenoid to TCU
·
Check the resistance* of converter
clutch solenoid
* See page 3-74
·
Check the cable from TCU to the
difflock solenoid
·
Check the connectors from difflock
solenoid to TCU
·
Check the resistance* of difflock
solenoid
* See page 3-74
·
Check the cable from TCU to the
difflock solenoid
·
Check the connectors from difflock
solenoid to TCU
·
Check the resistance* of difflock
solenoid
* See page 3-74
·
Check the cable from TCU to the
difflock solenoid
·
Check the connectors from difflock
solenoid to TCU
·
Check the resistance* of difflock
solenoid
* See page 3-74