Hyundai R 160 LC-3, Service Manual

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17. WHEN STARTING SWITCH IS TURNED ON, WORK LAMP DOES NOT LIGHTS UP
ş
Before disconnecting the connector, always turn the starting switch OFF.
ş
Before carrying out below procedure, check all the related connectors are properly inserted and
short of fuse No.17.
ş After checking, insert the disconnected connectors again immediately unless otherwise specified.
WORK LAMP
CL-5
CL-6
CN-10
1
2
8
CN-52
CPU CONTROLLER
WORK LAMP RY
CR-3
CN-1
Q
WORK LAMP
CS-21
MAIN LIGHT SWITCH
1
2
1
2
3
4
5
6
7
8
9
10
5
7
1
4
9 10
0
I
II
0,I
CN-2
J
H
1
2
2
FUSE
NO.17
1
3
2
4
3
4
2 1
Disconnection in wiring
harness or poor
contact between
CN10(2)-CL-6(2)
and CL-5(2)
Disconnection in wiring
harness or poor
contact between
CN-10(2)-CR-3(2)
Defective relay
Disconnection in wiring
harness or poor
contact between
fuse No.17-CR-3(2)
Recheck fuse
Disconnection in wiring
harness or poor
contact between
CS-21(2)-CR-3(1)
Defective lamp
switch
Disconnection in wiring
harness or poor
contact between
CR-3(2,3)-fuse No.17
Recheck fuse
Repair or replace
(After clean)
Repair or replace
(After clean)
Replace
Repair or replace
(After clean)
Replace
Repair or replace
(After clean)
Replace switch
Repair or replace
(After clean)
Replace
Check operation
of work lamp relay
YES
YES
NO
YES
NO
Check voltage
between CR-3(2)
and chassis
Check voltage
between CN-10
(2) and chassis
NO
NO
Check voltage
between CS-21(2)
and chassis
NO
YES
YES
YES
YES
NO
NO
Check voltage
between fuse
No.17 and chassis
Check voltage
between CR-3
(2,3) and chassis
YES
NO
Voltage : 20~30V
Starting switch : ON
Starting switch : ON
Work lamp switch :
ON-OFF
Voltage : 20~30V
Starting switch : ON
Work lamp switch : ON
Voltage : 20~30V
Starting switch : ON
Work lamp switch : ON
Voltage : 20~30V
Starting switch : ON
Voltage : 20~30V
Starting switch : ON
Work lamp switch :
ON-OFF
Cause Remedy
Check voltage
between fuse
No,17 and chassis
Check voltage
between CR-3(4)
and chassis