Infiniti M35/M45 Y50. Manual — part 1157
FRONT WIPER AND WASHER SYSTEM
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Front Wiper Does Not Return to Stop Position When Front Wiper Motor Oper-
ates at Low Speed (After Front Wiper Operate for 10 Seconds, They Stop for 20
Seconds, and After Repeating the Operations Five Times, They Become Inoper-
ative)
NKS003WP
CAUTION:
●
When auto stop signal has not varied for 10 seconds or longer while IPDM E/R is operating front
wipers, IPDM E/R considers that front wipers are locked, and stops wiper output. That causes this
symptom.
●
This status can be checked by “DATA MONITOR” of “IPDM E/R” on which “WIPER PROTECTION”
item shows “BLOCK”.
1.
CHECK FRONT WIPER STOP SIGNAL
With CONSULT-II
Select “IPDM E/R” on CONSULT-II. With “DATA MONITOR”, make
sure that “WIP AUTO STOP” turns “ACT P” - “STOP P” linked with
wiper LO operation.
Without CONSULT-II
GO TO 2.
OK or NG
OK
>> Replace IPDM E/R. Refer to
.
NG
>> GO TO 2.
2.
CHECK IPDM E/R
Check voltage between IPDM E/R harness connector and ground
while front wiper motor is stopped and while front wiper LO is operat-
ing.
OK or NG
OK
>> Replace IPDM E/R. Refer to
PG-31, "Removal and Installation of IPDM E/R"
.
NG
>> GO TO 3.
3.
CHECK CIRCUIT BETWEEN FRONT WIPER MOTOR AND GROUND
1.
Turn ignition switch OFF.
2.
Disconnect front wiper motor connector.
3.
Check continuity between front wiper motor harness connector
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.
PKIA7614E
Terminal
Condition
Voltage
(Approx.)
(+)
(-)
IPDM E/R
connector
Terminal
E7
32
Ground
Wiper stopped
Battery voltage
Wiper operating
0 V
SKIB4665E
Front wiper motor
connector
Terminal
Ground
Continuity
E27
6
Yes
SKIB4667E
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FRONT WIPER AND WASHER SYSTEM
Front Wiper Does Not Return to Stop Position When Front Wiper Motor Oper-
ates at HIGH Speed (After Front Wiper Operate for 10 Seconds, They Stop for 20
Seconds, and After Repeating the Operations Five Times, They Become Inoper-
ative)
NKS003WQ
CAUTION:
●
When auto stop signal has not varied for 10 seconds or longer while IPDM E/R is operating front
wipers, IPDM E/R considers that front wipers are locked, and stops wiper output. That causes this
symptom.
●
This status can be checked by “DATA MONITOR” of “IPDM E/R” on which “WIPER PROTECTION”
item shows “BLOCK”.
1.
CHECK FRONT WIPER STOP SIGNAL
With CONSULT-ll
Select “IPDM E/R” on CONSULT-II. With “DATA MONITOR”, make
sure that “WIP AUTO STOP” turns “ACT P” - “STOP P” linked with
wiper HI operation.
Without CONSULT-ll
GO TO 2.
OK or NG
OK
NG
>> GO TO 2.
2.
CHECK IPDM E/R
1.
Turn ignition switch OFF.
2.
Connect IPDM E/R connector and front wiper motor connector.
3.
Turn ignition switch ON.
4.
Check voltage between IPDM E/R harness connector and
ground while front wiper motor is stopped and while front wiper
HI is operating.
OK or NG
OK
PG-31, "Removal and Installation of IPDM E/R"
NG
>> GO TO 3.
PKIA7614E
Terminal
Condition
Voltage
(Approx.)
(+)
(-)
IPDM E/R
connector
Terminal
E7
32
Ground
Wiper stopped
Battery voltage
Wiper operating
0 V
SKIB4665E
FRONT WIPER AND WASHER SYSTEM
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3.
CHECK IPDM E/R
1.
Disconnect front wiper motor connector.
2.
Turn ignition switch ON.
3.
Check voltage between front wiper motor harness connector
and ground.
OK or NG
OK
>> Replace front wiper motor. Refer to
bly and Assembly of Front Wiper Drive Assembly"
.
NG
>> GO TO 4.
4.
CHECK FRONT WIPER AUTO STOP CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect IPDM E/R 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
>> Replace IPDM E/R. Refer to
PG-31, "Removal and Installation of IPDM E/R"
.
NG
>> Repair harness or connector.
Terminal
Voltage
(Approx.)
(+)
(-)
Front wiper motor
connector
Terminal
E27
4
Ground
Battery voltage
SKIB4669E
A
B
Continuity
Connector
Terminal Connector
Terminal
E8
44
E27
4
Yes
A
Ground
Continuity
Connector
Terminal
E8
44
No
SKIB4670E
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FRONT WIPER AND WASHER SYSTEM
Only Front Wiper LO Does Not Operate
NKS003WR
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 “LO” 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
With CONSULT-ll
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 “LO” screen.
4.
Check voltage between IPDM E/R harness connector and
ground while front wiper LO is operating.
Without CONSULT-ll
1.
Start up auto active test. Refer to
2.
Check voltage between IPDM E/R harness connector and
ground while front wiper LO is operating.
OK or NG
OK
>> GO TO 3.
NG
PG-31, "Removal and Installation of IPDM E/R"
SKIA3486E
Terminal
Voltage
(Approx.)
(+)
(-)
IPDM E/R
connector
Terminal
E7
23
Ground
Battery voltage
Terminal
Voltage
(Approx.)
(+)
(-)
IPDM E/R
connector
Terminal
E7
23
Ground
Battery voltage
SKIB4673E
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