Infiniti M35/M45 Y50. Manual — part 1158
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FRONT WIPER AND WASHER SYSTEM
WW-37
C
D
E
F
G
H
I
J
L
M
A
B
WW
3.
CHECK CIRCUIT BETWEEN IPDM E/R AND FRONT WIPER MOTOR
1.
Turn ignition switch OFF.
2.
Disconnect IPDM E/R connector and front wiper motor connector.
3.
Check continuity between IPDM E/R harness connector (A) and
front wiper motor harness connector (B).
4.
Check continuity between IPDM E/R harness connector (A) and
ground.
OK or NG
OK
>> GO TO 4.
NG
>> Repair harness or connector.
4.
CHECK FRONT WIPER REVERSE RELAY
1.
Remove front wiper reverse relay.
2.
Check continuity between front wiper reverse relay terminals.
OK or NG
OK
>> GO TO 5.
NG
>> Replace front wiper reverse relay.
5.
CHECK CIRCUIT BETWEEN FRONT WIPER REVERSE RELAY AND GROUND
Check continuity between front wiper reverse relay harness connec-
tor and ground.
OK or NG
OK
>> Replace front wiper motor. Refer to
bly and Assembly of Front Wiper Drive Assembly"
.
NG
>> Repair harness or connector.
A
B
Continuity
Connector
Terminal Connector
Terminal
E7
23
E27
3
Yes
A
Ground
Continuity
Connector
Terminal
E7
23
No
SKIB4682E
Front wiper reverse relay terminals
Continuity
3
4
Yes
SKIB4660E
Front wiper reverse relay
connector
Terminal
Ground
Continuity
E33
4
Yes
SKIB4674E
![](/vehicles/zatt/cen/houeebante/rounoeba.png)
WW-38
FRONT WIPER AND WASHER SYSTEM
Only Front Wiper HI Does Not Operate
NKS003WS
1.
ACTIVE TEST
With CONSULT-II
1.
Select “IPDM E/R” on CONSULT-II. Select “ACTIVE TEST” on
“SELECT DIAG MODE” screen.
2.
Select “FRONT WIPER” on “SELECT TEST ITEM” screen.
3.
Touch “HI” screen.
Without CONSULT-II
Start up auto active test. Refer to
Does front wiper operate normally?
YES
>> Refer to
LT-239, "Combination Switch Inspection"
NO
>> GO TO 2.
2.
CHECK IPDM E/R OUTPUT SIGNAL
1.
Remove front wiper reverse relay.
2.
Check voltage between front wiper reverse relay harness con-
nector and ground.
OK or NG
OK
>> GO TO 4.
NG
>> GO TO 3.
3.
CHECK CIRCUIT BETWEEN IPDM E/R AND FRONT WIPER REVERSE RELAY
1.
Disconnect IPDM E/R connector.
2.
Check continuity between IPDM E/R harness connector (A) and
front wiper reverse relay harness connector (B).
3.
Check continuity between IPDM E/R harness connector (A) and
ground.
OK or NG
OK
PG-31, "Removal and Installation of IPDM E/R"
NG
>> Repair harness or connector.
SKIA3486E
Terminal
Voltage
(Approx.)
(+)
(-)
Front wiper
reverse relay
connector
Terminal
E33
5
Ground
Battery voltage
SKIB4958E
A
B
Continuity
Connector
Terminal Connector
Terminal
E7
19
E33
5
Yes
A
Ground
Continuity
Connector
Terminal
E7
19
No
SKIB4959E
![](/vehicles/zatt/cen/houeebante/cklerowh.png)
FRONT WIPER AND WASHER SYSTEM
WW-39
C
D
E
F
G
H
I
J
L
M
A
B
WW
4.
CHECK FRONT WIPER REVERSE RELAY
Check continuity between front wiper reverse relay terminals.
OK or NG
OK
>> GO TO 5.
NG
>> Replace front wiper reverse relay.
5.
CHECK CIRCUIT BETWEEN IPDM E/R AND FRONT WIPER MOTOR
1.
Turn ignition switch OFF.
2.
Disconnect IPDM E/R connector and front wiper motor connector.
3.
Check continuity between IPDM E/R harness connector (A) and
front wiper motor harness connector (B).
OK or NG
OK
>> GO TO 6.
NG
>> Repair harness or connector.
Front wiper reverse
relay terminals
Condition
Continuity
3
5
Applying battery voltage to between
terminals 1 and 2
Yes
No battery voltage
No
SKIB4671E
A
B
Continuity
Connector
Terminal Connector
Terminal
E7
31
E27
2
Yes
SKIB4679E
![](/vehicles/zatt/cen/houeebante/ginchorsyond.png)
WW-40
FRONT WIPER AND WASHER SYSTEM
6.
CHECK IPDM E/R
With CONSULT-II
1.
Connect IPDM E/R connector and front wiper motor connector.
2.
Install front wiper reverse relay.
3.
Select “IPDM E/R” on CONSULT-II. Select “ACTIVE TEST” on “SELECT DIAG MODE” screen.
4.
Select “FRONT WIPER” on “SELECT TEST ITEM” screen.
5.
Touch “HI” screen.
6.
Check voltage between IPDM E/R harness connector and
ground while front wiper HI is operating.
Without CONSULT-II
1.
Connect IPDM E/R connector and front wiper motor connector.
2.
Install front wiper reverse relay.
3.
Start up auto active test. Refer to
4.
Check voltage between IPDM E/R harness connector and ground while front wiper HI is operating.
OK or NG
OK
>> Replace front wiper motor. Refer to
WW-44, "Disassembly and Assembly of Front Wiper Drive
.
NG
PG-31, "Removal and Installation of IPDM E/R"
Only Front Wiper Intermittent Does Not Operate
NKS003WT
1.
CHECK COMBINATION SWITCH
With CONSULT-II
1.
Select “BCM” on CONSULT-II, and select “WIPER” on “SELECT
TEST ITEM” screen.
2.
Select “DATA MONITOR” on “SELECT DIAG MODE” screen.
Make sure that “FR WIPER INT”, turn ON-OFF according to
wiper switch operation.
Without CONSULT-II
Refer to
LT-239, "Combination Switch Inspection"
OK or NG
OK
>> Replace BCM. Refer to
BCS-15, "Removal and Installa-
NG
>> Check combination switch (wiper switch) Refer to
239, "Combination Switch Inspection"
.
Terminal
Voltage
(Approx.)
(+)
(-)
IPDM E/R
connector
Terminal
E7
31
Ground
0 V
Terminal
Voltage
(Approx.)
(+)
(-)
IPDM E/R
connector
Terminal
E7
31
Ground
0 V
SKIB4678E
PKIB0110E
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