Hyundai HX130LCR Manual page 368

4. AUTO DECEL SYSTEM DOES NOT WORK
Fault code : HCESPN 105, FMI 0~4 (work pressure sensor)
·
HCESPN 108, FMI 0~4 (travel oil pressure sensor)
Before carrying out below procedure, check all the related connectors are properly inserted.
※
1)
INSPECTION PROCEDURE
YES
NO
Check voltage
between CN-52
(38)-GND and
CN-52(37)-GND
SPEC :
Actuator operating : 1~5V
See TEST 7, 8
NO
Wiring diagram
CN-51
3
13
MCU
38
37
CN-52
YES
Check voltage
between CD-6(A)
and (C)
NO
SPEC :
Starting switch ON : 24±2V
YES
Check voltage
between CD-7(A)
and (C)
NO
SPEC :
Starting switch ON : 24±2V
Defective MCU
Defective travel
pressure switch
Short circuit or poor
connection
between CN-51(3)-
CD-6(A) and / or
CN-51(13)-CD-6
(C) (fault code 108
displayed)
Defective work
pressure sensor
Short circuit or poor
connection
between CN-51(3)-
CD-7(A) and / or
CN-51(13)-CD-7
(C) (fault code 105
displayed)
CD-6
TRAVEL PRESSURE SENSOR
CD-7
WORK PRESSURE SENSOR
6-45
Cause Remedy
Replace
Replace
Replace or repair
Replace
Replace or repair
A
SUPPLY
B SIG
C RETURN
A SUPPLY
B
SIG
C
RETURN
300L6MS03