Hyundai HX145 LCR, Руководство пользователя

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6-49
6. MALFUNCTION OF PUMP 2 PRESSURE SENSOR 6. MALFUNCTION OF PUMP 2 PRESSURE SENSOR
Fault code : HCESPN 121, FMI 0~4
Before carrying out below procedure, check all the related connectors are properly inserted.
INSPECTION PROCEDURE INSPECTION PROCEDURE
※
1) 1)
Wiring diagram Wiring diagram
CN-52
12
MCU
CN-51
3
13
CD-43
PUMP 2 PRESSURE SENSOR
SUPPLY
SIG
RETURN
A
B
C
CN-1
4
6
3
300L6MS07
·
Cause Remedy
Defective MCU
Short circuit or
poor connection
between CN-52-
(12)-CN-1(3)
Detective P2
pressure sensor
Short circuit or
poor connection
between CN-1(3)-
CD-43(B)
Short circuit or
poor connection
between
CD-43(A)-CN-1(4)
or CD-43(C)-CN-1
(6)
Short circuit or
poor connection
between CN-1(4)-
CN-51(3) or CN-1
(6) - CN-51(13)
Replace
Replace or repair
Replace or repair
Replace or repair
Replace or repair
Replace or repair
Check voltage
between CN-52
(12) - GND
YES
YES
YES
NO
NO
NO
SPEC :
Starting switch ON :
24
±
2V
SPEC :
Starting switch ON :
24
±
2V
Check voltage
between
CN-1(4)-(6)
Check voltage
between
CN-1(3)-GND
Check voltage
between
CD-43(A)-(C)
YES
NO
SPEC :
Actuator operating: 1~5V
See TEST 10
SPEC :
Actuator operating: 1~5V