2007 INFINITI M35 washer

FRONT WIPER AND WASHER SYSTEM
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Revision: 2007 April2007 M35/M45
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 WW-44, "Disassem-
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
connectorTerminal
E27 4 Ground Battery voltage
SKIB4669E
AB
Continuity
Connector Terminal Connector Terminal
E8 44 E27 4 Yes
A
GroundContinuity
Connector Terminal
E8 44 No
SKIB4670E

WW-36
FRONT WIPER AND WASHER SYSTEM
Revision: 2007 April2007 M35/M45
Only Front Wiper LO Does Not OperateNKS003WR
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 PG-23, "
Auto Active Test" .
Does front wiper operate normally?
YES >> Refer to LT- 2 3 9 , "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 PG-23, "
Auto Active Test" .
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 >> Replace IPDM E/R. Refer to PG-31, "
Removal and Installation of IPDM E/R" .
SKIA3486E
Te r m i n a l
Voltage
(Approx.) (+)
(-)
IPDM E/R
connectorTe r m i n a l
E7 23 Ground Battery voltage
Te r m i n a l
Voltage
(Approx.) (+)
(-)
IPDM E/R
connectorTe r m i n a l
E7 23 Ground Battery voltage
SKIB4673E

FRONT WIPER AND WASHER SYSTEM
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Revision: 2007 April2007 M35/M45
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 WW-44, "Disassem-
bly and Assembly of Front Wiper Drive Assembly" .
NG >> Repair harness or connector.
AB
Continuity
Connector Terminal Connector Terminal
E7 23 E27 3 Yes
A
GroundContinuity
Connector Terminal
E7 23 No
SKIB4682E
Front wiper reverse relay terminals Continuity
34Yes
SKIB4660E
Front wiper reverse relay
connectorTerminal
GroundContinuity
E33 4 Yes
SKIB4674E

WW-38
FRONT WIPER AND WASHER SYSTEM
Revision: 2007 April2007 M35/M45
Only Front Wiper HI Does Not OperateNKS003WS
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 PG-23, "
Auto Active Test" .
Does front wiper operate normally?
YES >> Refer to LT- 2 3 9 , "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 >> Replace IPDM E/R. Refer to PG-31, "Removal and Installation of IPDM E/R" .
NG >> Repair harness or connector.
SKIA3486E
Te r m i n a l
Voltage
(Approx.) (+)
(-) Front wiper
reverse relay
connectorTe r m i n a l
E33 5 Ground Battery voltage
SKIB4958E
AB
Continuity
Connector Terminal Connector Terminal
E7 19 E33 5 Yes
A
GroundContinuity
Connector Terminal
E7 19 No
SKIB4959E

FRONT WIPER AND WASHER SYSTEM
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Revision: 2007 April2007 M35/M45
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 terminalsCondition Continuity
35Applying battery voltage to between
terminals 1 and 2Ye s
No battery voltage No
SKIB4671E
AB
Continuity
Connector Terminal Connector Terminal
E7 31 E27 2 Yes
SKIB4679E

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FRONT WIPER AND WASHER SYSTEM
Revision: 2007 April2007 M35/M45
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 PG-23, "
Auto Active Test" .
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
Assembly" .
NG >> Replace IPDM E/R. Refer to PG-31, "
Removal and Installation of IPDM E/R" .
Only Front Wiper Intermittent Does Not OperateNKS003WT
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- 2 3 9 , "
Combination Switch Inspection" .
OK or NG
OK >> Replace BCM. Refer to BCS-15, "Removal and Installa-
tion of BCM" .
NG >> Check combination switch (wiper switch) Refer to LT-
239, "Combination Switch Inspection" .
Te r m i n a l
Voltage
(Approx.) (+)
(-)
IPDM E/R
connectorTe r m i n a l
E7 31 Ground 0 V
Te r m i n a l
Voltage
(Approx.) (+)
(-)
IPDM E/R
connectorTe r m i n a l
E7 31 Ground 0 V
SKIB4678E
PKIB0110E

FRONT WIPER AND WASHER SYSTEM
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Revision: 2007 April2007 M35/M45
Front Wiper Interval Time Is Not Controlled by Vehicle SpeedNKS003WU
1. CHECK FUNCTION OF COMBINATION METER
Confirm that speedometer operates normally.
Does the speedometer operate normally?
YES >> GO TO 2.
NO >> Combination meter vehicle speed system malfunction. Refer to DI-20, "
Vehicle Speed Signal
Inspection" .
2. CHECK CAN COMMUNICATION BETWEEN BCM AND COMBINATION METER
Select “BCM” on CONSULT-II, and perform self-diagnosis for
“BCM”.
Displayed self
-diagnosis results
NO DTC>>Replace BCM. Refer to BCS-15, "Removal and Installa-
tion of BCM" .
CAN COMM CIRCUIT>>Check CAN communication line of BCM.
Refer to BCS-13, "
CAN Communication Inspection
Using CONSULT-II (Self-Diagnosis)" .
Front Wiper Intermittent Operation Switch Position Cannot Be AdjustedNKS003WV
1. CHECK CIRCUIT BETWEEN COMBINATION SWITCH AND BCM
With CONSULT-ll
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 “INT VOLUME”, changes in order from 1 to 7
according to wiper switch operation.
Without CONSULT-ll
Refer to LT- 2 3 9 , "
Combination Switch Inspection" .
OK or NG
OK >> Replace BCM. Refer to BCS-15, "Removal and Installa-
tion of BCM" .
NG >> Check combination switch (wiper switch). Refer to LT-
239, "Combination Switch Inspection" .
PKIA7627E
PKIB0110E

WW-42
FRONT WIPER AND WASHER SYSTEM
Revision: 2007 April2007 M35/M45
Wiper Does Not Wipe When Front Washer OperatesNKS003WW
1. CHECK CIRCUIT BETWEEN COMBINATION SWITCH AND BCM
With CONSULT-ll
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 WASHER SW” turn ON-OFF according to
front wiper switch operation.
Without CONSULT-ll
Refer to LT- 2 3 9 , "
Combination Switch Inspection" .
OK or NG
OK >> Replace BCM. Refer to BCS-15, "Removal and Installa-
tion of BCM" .
NG >> Check combination switch (wiper switch). Refer to LT-
239, "Combination Switch Inspection" .
Front Wiper Does Not StopNKS003WX
1. CHECK CIRCUIT BETWEEN COMBINATION SWITCH AND BCM
With CONSULT-ll
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”, “FR WIPER LOW”, “FR
WIPER HI”, and “FR WASHER SW” turn ON-OFF according to
front wiper switch operation.
Without CONSULT-ll
Refer to LT- 2 3 9 , "
Combination Switch Inspection" .
OK or NG
OK >> Replace IPDM E/R. Refer to PG-31, "Removal and
Installation of IPDM E/R" .
NG >> Check combination switch (wiper switch). Refer to LT- 2 3 9 , "
Combination Switch Inspection" .
PKIB0110E
PKIB0110E