Hyundai HX140L, Manual

Page: 529 / 819

6-69-12
7. MALFUNCTION OF PUMP 3 PRESSURE SENSOR (SERIAL NO. : #0611-)
Before carrying out below procedure, check all the related connectors are properly inserted.
INSPECTION PROCEDURE
侍
1)
Wiring diagram
13
UNITED MCU
PUMP 3 PRESSURE SENSOR
CN-51
32
31
CD-44
SUPPLY
SIG
RETURN
A
B
C
CN-1
4
6
7
13
UNITED MCU
PUMP 3 PRESSURE SENSOR
CN-51
32
31
CD-44
SUPPLY
SIG
RETURN
A
B
C
CN-1
4
6
7
140L6MS109
Cause Remedy
Defective united
MCU
Short circuit or
poor connection
between CN-51-
(13)-CN-1 (7)
Detective P3
pressure sensor
Short circuit or
poor connection
between CN-1 (7)-
CD-44 (B)
Short circuit or
poor connection
between
CD-44 (A)-CN-1
(4) or CD-44 (C)-
CN-1 (6)
Short circuit or
poor connection
between CN-1 (4)-
CN-51 (32) or
CN-1 (6) - CN-51
(31)
Replace
Replace or repair
Replace or repair
Replace or repair
Replace or repair
Replace or repair
Check voltage
between CN-51
(13) - GND
YES
YES
YES
NO
NO
NO
SPEC : 24
佳
2V
Starting switch ON
SPEC : 24
佳
2V
Starting switch ON
Check voltage
between
CN-1 (4)-(6)
Check voltage
between
CN-1 (7)-GND
Check voltage
between
CD-44 (A)-(C)
YES
NO
SPEC : 1~5V
Actuator operating
See TEST 11
SPEC : 1~5V
Actuator operating