Infiniti M35/M45 Y50. Manual — part 1159

FRONT WIPER AND WASHER SYSTEM

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Front Wiper Interval Time Is Not Controlled by Vehicle Speed

NKS003WU

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 Adjusted

NKS003WV

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-239, "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

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FRONT WIPER AND WASHER SYSTEM

Wiper Does Not Wipe When Front Washer Operates

NKS003WW

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-239, "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 Stop

NKS003WX

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-239, "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-239, "Combination Switch Inspection"

.

PKIB0110E

PKIB0110E

FRONT WIPER AND WASHER SYSTEM

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Removal and Installation of Front Wiper Arms, Adjustment of Wiper Arms Stop
Location

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REMOVAL

1.

Turn wiper switch ON to operate wiper motor, and then turn wiper switch OFF (auto stop).

2.

Open hood, remove arm caps, and remove wiper arm nuts.

3.

Raise wiper arms, and remove wiper arms from the vehicle.

INSTALLATION

1.

Clean up the pivot area as shown in the figure. This will reduce
possibility of wiper arm looseness.

2.

Prior to wiper arm installation, turn on wiper switch to operate
wiper motor and then turn it “OFF” (auto stop).

3.

Push wiper arm onto pivot shaft, paying attention to blind spline.

4.

Lift the blade up and then set it down onto glass surface to set
the blade center to clearance “L1” & “L2” immediately before
tightening nuts.

5.

Spray washer fluid. Turn on wiper switch to operate wiper motor
and then turn it “OFF”.

6.

Make sure that wiper blades stop within clearance “L1” & “L2”.

●

Tighten wiper arm nuts to specified torque.

7.

Attach wiper arm caps.

ADJUSTMENT

Refer to

WW-43, "INSTALLATION"

.

SEL024J

Clearance “L1”

: 17.9

±

7.5 mm (0.705

±

0.295 in)

Clearance “L2”

: 33.2

±

7.5 mm (1.307

±

0.295 in)

Front wiper arm nuts

: 23.5 N·m (2.4 kg-m, 17 ft-lb)

PKIA9951E

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FRONT WIPER AND WASHER SYSTEM

Removal and Installation of Front Wiper Drive Assembly

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REMOVAL

1.

Operate front wiper motor, and stop at the auto stop position.

2.

Remove wiper arms. Refer to

WW-43, "REMOVAL"

.

3.

Remove cowl top cover. Refer to

EI-18, "COWL TOP"

.

4.

Disconnect wiper motor connector and remove connector clips.

5.

Remove front wiper drive assembly mounting bolts (A), and
remove front wiper drive assembly (1) from the vehicle.

INSTALLATION

1.

Install front wiper drive assembly to the vehicle.

2.

Connect wiper motor connector. Turn wiper switch ON to operate wiper motor, then turn wiper switch OFF
(auto stop).

3.

Install connector clips to the wiper frame, and install cowl top cover. Refer to

EI-18, "COWL TOP"

.

4.

Attach wiper arms. Refer to

WW-43, "INSTALLATION"

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5.

Adjustment of wiper arm stop location.

6.

Install arm caps.

Disassembly and Assembly of Front Wiper Drive Assembly

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SKIB4222E

Front wiper drive assembly mounting bolts

: 4.5 N·m (0.46kg-m, 40 in-lb)

1.

Wiper linkage 1

2.

Bolt

3.

Shaft seal

4.

Wiper motor

5.

Wiper frame

6.

Bolt

7.

Wiper linkage 2

: N·m (kg-m, in-lb)

: Should be lubricated with grease.

SKIB4231E