Hyundai R 160 LC-3, Service Manual

Page: 263 / 459

6 - 44
Wiring diagram
W
X
CN-3
CN-76
CPU CONTROLLER
CN-53
1
1
2
CD-17
TACHO SENSOR
DC MOTOR
1
2
3
4
5
6
M
P+
SIG
P-
NC
M+
M-
2
1
3
5
6
CN-50
6
14
16
22
23
13
rpm
2. ENGINE SPEED IS SLOW AT ALL MODE
Before carrying out below procedure, check all the related connectors are properly inserted.
INSPECTION PROCEDURE
Ɠ
1)
Cause Remedy
If test 7 is good,
check TEST 1~4
Misalignment
between speed
sensor and fly wheel
ڞ
Defective governor
motor or short circuit
or poor connection
between CN-53-
CS-64- CN-76
Improper operation
by loosening or
interference of cable
Short circuit or poor
connection between
CN-50-CN-3-CD-17
Defective
speed sensor
Clean speed
sensor and adjust
See : 5-20page
Replace governor
motor or harness
assembly
Adjust or repair
Check and repair
Replace
Good
YES
NO
YES
NO
YES
YES
SPEC : 1~2
װ
See TEST 5
See TEST 6
NO
SPEC : 0.2~0.4k װ
See TEST 8
Check cable
between governor
motor - injection
pump.
Is resistance
between CN-53
(1) - (13)
SPEC : 0.2~0.4k װ
See TEST 7
Is resistance
between CN-50
(16) - (23)
Is resistance
between CD-17
(1) - (2)
Check tachometer
work properly or
not by changing
the mode.
ڞ
No good
NO