Hyundai HX130LCR Manual page 384

12. MALFUNCTION OF BOOM UP PRESSURE SENSOR
Fault code : HCESPN 127, FMI 0~4
·
Before carrying out below procedure, check all the related connectors are properly inserted.
※
1) INSPECTION PROCEDURE
YES
Check voltage
between CN-52
(19) - GND
SPEC :
Check voltage
Actuator operating: 1~5V
between CD-32
See TEST 16
NO
(A)-(B)
SPEC :
Starting switch ON :
24±2V
Wiring diagram
CN-51
3
13
MCU
19
CN-52
YES
NO
6-61
Cause
Defective MCU
Detective boom up
pressure sensor
Short circuit or
poor connection
between CN-52
(19)-CD-32 (B)
Short circuit or
poor connection
between CD-32
(A)-CN-51(3) or
CD-32(C)- CN-51
(13)
CD-32
A SUPPLY
B
SIG
C
RETURN
BOOM UP PRESSURE SENSOR
Remedy
Replace
Replace or repair
Replace or repair
Replace or repair
300L6MS19