Nissan Primera P12. Manual — part 706
WW-8
FRONT WIPER AND WASHER SYSTEM
Terminal and Reference Values for Combination Switch
EKS009OT
Trouble Diagnosis
EKS009OU
SYMPTOM CHART
TER-
MINAL
NO.
WIRE
COLOR
ITEM
CONDITION
DATA (DC Voltage)
IGNI-
TION
SWITCH
CONDITION OR OPERATION
13
L/Y
Wiper auto
stop signal
ON
Wiper is moving
Approx. 0
Wiper while the vehicle is stopped
Approx. 12
14
L
Wiper motor
operation signal (LO)
ON
Wiper switch
OFF
Approx. 12
LO
Approx. 0
15
LG
Ignition ON signal
ON
—
Approx. 12
16
L/B
Wiper motor
operation signal (HI)
ON
Wiper switch
OFF
Approx. 12
HI
Approx. 0
17
B
Ground
OFF
—
—
18
P
Washer motor
operation signal
ON
Washer switch
WASH (FR)
Approx. 12
22
BR
Washer motor
opreation signal
ON
Washer switch
WASH (FR)
Approx. 0
Symptom
Possible cause
Repair order
Front wiper does not operate.
Power supply and ground circuit
Check power supply and ground circuit
(
).
Wiper motor
Replace wiper motor.
Front wiper and washer switch
Check front wiper and washer switch
(
).
Low speed wiper operation does not oper-
ate.
Open or short circuit
Check harness for open or short (
).
Front wiper and washer switch
Check front wiper and washer switch
(
).
High speed wiper operation does not oper-
ate.
Open or short circuit
Check harness for open or short (
).
Front wiper and washer switch
Check front wiper and washer switch
(
).
Intermittent wiper operation does not oper-
ate.
Front wiper and washer switch
Check front wiper and washer switch
(
).
Auto stop wiper operation does not oper-
ate.
Open or short circuit
Check harness for open or short (
).
Front wiper and washer switch
Check front wiper and washer switch
(
).
Front washer does not operate.
Open or short circuit
Check harness for open or short (
).
Front wiper and washer switch
Check front wiper and washer switch
(
).
Washer motor
Replace washer motor.
FRONT WIPER AND WASHER SYSTEM
WW-9
C
D
E
F
G
H
I
J
L
M
A
B
WW
POWER SUPPLY AND GROUND CIRCUIT CHECK
1.
POWER SUPPLY CIRCUIT CHECK
1.
Turn ignition switch OFF.
2.
Disconnect front wiper and washer swtich and front wiper motor harness connector.
3.
Check the following.
–
Voltage between front wiper and washer switch harness connector E112 terminal 15 and ground.
–
Voltage between front wiper motor harness connector E23 terminal 1 and ground.
OK or NG
Yes
>> GO TO 2.
No
>> Check the following.
●
20A fuse [No. 25, located in fuse block (J/B)]
●
15A fuse [No. 26, located in fuse block (J/B)]
●
Harness for open or short between fuse and front wiper motor or front wiper and washer switch.
2.
GROUND CIRCUIT CHECK
Check the following.
●
Continuity between front wiper and washer switch harness connector E112 terminal 17 and ground.
●
Continuity between front wiper motor harness connector E23 terminal 6 and ground.
OK or NG
OK
>> INSPECTION END
NG
>> Harness for open ground circuit
Terminals
Ignition switch position
(+)
(
−
)
OFF
ON or ATSRT
Connector
Terminal
(wire color)
E112
15 (LG)
Ground
0V
Battery voltage
E23
1 (G)
Ground
0V
Battery voltage
MKIB0587E
Terminals
Continuity
(+)
(
−
)
Connector
Terminal
(wire color)
E112
17 (B)
Ground
Yes
E23
6 (B)
Ground
Yes
MKIB0588E
WW-10
FRONT WIPER AND WASHER SYSTEM
LOW SPEED CIRCUIT CHECK
1.
CHECK HARNESS FOR OPEN OR SHORT
1.
Turn ignition switch OFF.
2.
Disconnect front wiper motor and front wiper and washer switch harness connector.
3.
Check the following.
–
Continuity between front wiper motor harness connector E23 terminal 5 and front wiper and washer
switch harness connector E112 terminal 14.
–
Continuity between front wiper motor harness connector E23 terminal 5 and body ground.
OK or NG
OK
>> INSPECTION END
NG
>> Repair or replace harness.
HIGH SPEED CIRCUIT CHECK
1.
CHECK HARNESS FOR OPEN OR SHORT
1.
Turn ignition switch OFF.
2.
Disconnect front wiper motor and front wiper and washer switch harness connector.
3.
Check the following.
–
Continuity between front wiper motor harness connector E23 terminal 3 and front wiper and washer
switch harness connector E112 terminal 16.
–
Continuity between front wiper motor harness connector E23 terminal 3 and body ground.
OK or NG
OK
>> INSPECTION END
NG
>> Repair or replace harness.
Terminal
Continuity
Connector
Terminal
(wire color)
Connector
Terminal
(wire color)
E23
5 (L)
E112
14 (L)
Yes
Ground
No
MKIB0589E
Terminal
Continuity
Connector
Terminal
(wire color)
Connector
Terminal
(wire color)
E23
3 (L/B)
E112
16 (L/B)
Yes
Ground
No
MKIB0590E
FRONT WIPER AND WASHER SYSTEM
WW-11
C
D
E
F
G
H
I
J
L
M
A
B
WW
AUTO STOP CIRCUIT CHECK
1.
CHECK HARNESS FOR OPEN OR SHORT
1.
Turn ignition switch OFF.
2.
Disconnect front wiper motor and front wiper and washer switch harness connector.
3.
Check the following.
–
Continuity between front wiper motor harness connector E23 terminal 4 and front wiper and washer
switch harness connector E112 terminal 13.
–
Continuity between front wiper motor harness connector E23 terminal 4 and body ground.
OK or NG
OK
>> INSPECTION END
NG
>> Repair or replace harness.
WASHER MOTOR CIRCUIT CHECK
1.
CHECK HARNESS FOR OPEN OR SHORT
1.
Turn ignition switch OFF.
2.
Disconnect washer motor and front wiper and washer switch harness connector.
3.
Check the following.
–
Continuity between washer motor harness connector E9 terminal 1 and front wiper and washer switch
harness connector E112 terminal 18.
–
Continuity between washer motor harness connector E9 terminal 2 and front wiper and washer switch
harness connector E112 terminal 22.
–
Continuity between washer motor harness connector E9 terminals 1 , 2 and body ground.
OK or NG
OK
>> INSPECTION END
NG
>> Repair or replace harness.
Terminal
Continuity
Connector
Terminal
(wire color)
Connector
Terminal
(wire color)
E23
4 (L/Y)
E112
13 (L/Y)
Yes
Ground
No
MKIB0591E
Terminal
Continuity
Connector
Terminal
(wire color)
Connector
Terminal
(wire color)
E9
1 (P)
E112
18 (P)
Yes
2 (BR)
22 (BR)
Yes
1 (P), 2 (BR)
Ground
No
MKIB0592E
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