6-69-8
5. MALFUNCTION OF PUMP 1 PRESSURE SENSOR (SERIAL NO. : #0611-)
Fault code : HCESPN 120, FMI 0~4
Before carrying out below procedure, check all the related connectors are properly inserted.
INSPECTION PROCEDURE
侍
1)
Wiring diagram
CN-52
22
UNITED MCU
CN-51
32
31
CD-42
PUMP 1 PRESSURE SENSOR
SUPPLY
SIG
RETURN
A
B
C
CN-1
4
6
5
140L6MS105
余
Cause
Remedy
Defective united
MCU
Short circuit or
poor connection
between CN-52-
(22)-CN-1 (5)
Detective P1
pressure sensor
Short circuit or
poor connection
between CN-1 (5)-
CD-42 (B)
Short circuit or
poor connection
between CD-42
(A)-CN-1 (4) or
CD-42 (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-52
(22) - 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 (5)-GND
Check voltage
between
CD-42 (A)-(C)
YES
NO
SPEC : 1~5V
Actuator operating
See TEST 9
SPEC : 1~5V
Actuator operating
Summary of Contents for HX140L
Page 12: ...SECTION 1 GENERAL SECTION 1 GENERAL Group 1 Safety Hints 1 1 Group 2 Specifications 1 10...
Page 209: ...4 5 MEMORANDUM...
Page 694: ...8 68 125LCR8TM30 Turn casing 1 upside down and remove oil seal 3 using jig 29...
Page 734: ...8 108 Assemble plug 2 Plug NPT1 16 11 EA 17 21078TM68 21078TM69 21078TM70 21078TM71...
Page 756: ...8 130 Remove lock nut 22 and then boot 23 14 36078RL14 2507ARL10...