Hyundai HX145LCR Manual page 392

14. WHEN STARTING SWITCH IS TURNED ON, WIPER MOTOR DOES NOT OPERATE 14. WHEN STARTING SWITCH IS TURNED ON, WIPER MOTOR DOES NOT OPERATE
·Before disconnecting the connector, always turn the starting switch OFF.
·Before carrying out below procedure, check all the related connectors are properly inserted and the fuse
No. 6, 11 and 21 is not blown out.
·After checking, insert the disconnected connectors again immediately unless otherwise specified.
NO
NO
Check operation
wiper cut switch
Front sliding door
Check valtage
open-close
between CN-141
YES
(11) and chassis
Front sliding door-close
Voltage : 4~5V
Check operation
of membrane
YES controller LED
ON.
Starting switch : ON
Push wiper switch button
NO
Check voltage between
CN-376 (3) and chassis
Intermittent
Check voltage CN-376
ⓐ
(11) and chassis
Check operation
Washing
of wiper motor
and controller
Check voltage CN-376
check voltage
(12) and chassis
YES
CN-141 (7) and
Sarting switch : ON
chassis, CN-21
Voltage : 0~1V
(4) and chassis
Starting switch : OFF
Voltage : 20~30V
Check continuity
NO
between
CN-141 (2)-CN-376 (3),
CN-141 (9)-CN-376 (11),
CN-141 (10)-CN-376 (12),
ⓑ
CN-141 (5)-Chassis ,
Check wiper
CN-141 (1)-CN-21 (5),
motor resistance
CN-141 (3)-CN-21 (6),
between CN-21
YES
CN-141 (4)-CN-21 (2),
(2)-CN-21 (6)
CN-141 (13)-CN-21 (3)
Resistance : 3~4Ω
Cause Remedy
Defective wiper Replace
cut switch
Short circuit in Repair or replace
wiring harness or (after clean)
poor contact
between CN-141
(11)- CS-53
YES
Defective Replace
membrane
Check voltage
NO
controller
between CN-376
(1) and chassis
1) Recheck fuse Replace
NO
Starting switch : ON
No.11
Vottage : 20~30V
2) Disconnection in Repair or replace
wiring harness or (after clean)
ⓐ
poor contact
YES
between
CN-376(1)-Fuse
Defective switch Replace
panel
NO
1) Recheck fuse Replace
No.6
2) Disconnection Repair or replace
in wiring harness (after clean)
or poor contact
between
CN-141(7)-Fuse,
CN-21(4)-Fuse
NO
1) Recheck fuse Replace
No.21
Check voltage
2) Disconnection Repair or replace
CN-141 (6) and
CN-141(6)-Fuse (after clean)
YES
chassis
ⓑ
Starting switch : ON
YES
Voltage : 20~30V
Disconnection in Repair or replace
wiring harness or (after clean)
poor contact
NO
Defective wiper Replace
motor
Defective wiper Replace
YES
motor controller
CN-21
3 1
2
5 3
4
4
5
6 2
M 6
WIPER MOTOR
CN-141
1
FEED BACK
MOTOR DRIVE SIG 2
3
MOTOR DRIVE-
4
MOTOR DRIVE+
GND 5
6
VCC
CONTINUE 24V 7
WASHER P/P 8
WASHER SIG. 9
10
INT. SIG
WIPER CUT SW 11
N.C 12
13
FEED BACK
WIPER MOTOR CONTROLLER
CS-53
WIPER CUT SW
6-37
CN-22
CN-5
2
1
WASHER PUMP
DO-5
2
1
CN-17
15
1
FUSE
2
16
3
NO.21
17
4
FUSE
5 18
6 19
7
20
8
21
FUSE
NO.11
MEMBRANE CONTROLLER
M
NO.6
145LCR6ES15