Infiniti F50. Manual - part 832

WASHER SYSTEM

WW-15

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3. 

CHECK IGNITION SWITCH ON SIGNAL

 With CONSULT-II

See “IGN ON SW” in “DATA MONITOR” mode. 

 Without CONSULT-II

Check voltage between BCM harness connector M4 terminal 68 (W/
B) and ground.

OK or NG

OK

>> GO TO 4.

NG

>> Check the following.

●

10A fuse [No. 1, located in the fuse block (J/B) No. 1]

●

Harness for open or short between fuse and BCM

4. 

CHECK WIPER OPERATION

 With CONSULT-II

See “WIPER AMP” in “ACTIVE TEST” mode. Perform operation
shown on display.

NOTE:
If CONSULT-II is not available, skip this procedure and go to 

WW-

18, "Wiper and Washer Activate Individually but Intermittent Wiper
and Washer Combination Does Not Operate"

 .

OK or NG

OK

>> Replace the BCM.

NG

>> Go to 

WW-18, "Wiper and Washer Activate Individually

but Intermittent Wiper and Washer Combination Does Not Operate"

 .

When ignition switch is ON

: ON

When ignition switch is ACC or OFF

: OFF

PKIA0311E

Ignition switch is ON

: Approx. 12V

Ignition switch is ACC or OFF

: Approx. 0V

PKIA0312E

Front wiper motor should operate.

SEL494W

WW-16

WASHER SYSTEM

Intermittent Time of Wiper Cannot be Adjusted

EKS001J2

1. 

CHECK INTERMITTENT WIPER VOLUME INPUT SIGNAL

 With CONSULT-II

See “INT RESIST” in “DATA MONITOR” mode while turning intermit-
tent wiper volume.

 Without CONSULT-II

1.

Disconnect the BCM connector.

2.

Measure resistance between BCM harness connector M4 termi-
nal 48 (G/OR) and ground while turning intermittent wiper vol-
ume.

OK or NG

OK

>> Replace the BCM.

NG

>> GO TO 2.

2. 

CHECK FRONT WIPER SWITCH

Check front wiper switch, refer to 

WW-22, "Wiper and Washer Switch Circuit Check"

 .

OK or NG

OK

>> Check the following.

●

Harness for open or short between BCM and intermittent wiper volume

●

Front wiper switch ground circuit

NG

>> Replace the front wiper switch.

Wiper and Washer Activate Individually but Not In Combination

EKS001J3

1. 

CHECK WASHER SWITCH INPUT SIGNAL

 With CONSULT-II

See “WASH SW” in “DATA MONITOR” mode.

 Without CONSULT-II

Check front wiper switch (WASH) in switch monitor mode, refer to

WW-13, "SWITCH MONITOR"

 .

OK or NG

OK

>> Replace the BCM.

NG

>> Check harness for open or short between BCM and

front wiper switch.

Short interval

: Approx. 0kohm

Long interval

: Approx. 1kohm

SEL506W

Short interval

: Approx. 0

Ω

Long interval

: Approx. 1

Ω

PKIA0313E

When front washer switch is ON

: ON

When front washer switch is OFF

: OFF

SEL507W

WASHER SYSTEM

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Intermittent Wiper Operates, but There Is No Change In Intermittent Time 
Between When Vehicle Is Stopped and Moving

EKS001J4

1. 

CHECK THE SYMPTOM

Check that the speedometer in the combination meter operates normally.

OK or NG

OK

>> GO TO 2.

NG

>> Check the vehicle speed signal. Refer to 

DI-19, "Work Flow"

  in DI section. 

2. 

FUNCTIONAL INSPECTION

With CONSULT-II

With “VHCL SPEED SE” on the DATA MONITOR, check the vehicle
speed signal. Refer to 

WW-12, "DATA MONITOR"

 .

Without CONSULT-II

GO TO 3.

OK or NG

OK

>> System is OK.

NG

>> GO TO 3.

3. 

VEHICLE SPEED INPUT/OUTPUT INSPECTION

Start the engine, and check voltage between BCM harness connec-
tor M4 terminal 49 (PU/W) and ground, using an oscilloscope.

OK or NG

OK

>> Replace the BCM.

NG

>> GO TO 4.

Monitor item [OPERATION or UNIT]

Contents

VHCL SPEED SE

“<7km/>7km”

The present vehicle speed (less than 
7 km/h (4 MPH), or 7 km/h (4 MPH) 
or higher) is displayed.

SKIA4241E

Voltage waveform [When vehicle speed is 
approx. 40km/h (25MPH)]

SKIA4239E

WW-18

WASHER SYSTEM

4. 

HARNESS CONTINUITY INSPECTION

1.

Turn ignition switch to OFF position.

2.

Disconnect the BCM connectors and the combination meter connector.

3.

Check continuity between BCM harness connector M4 terminal
49 (PU/W) and combination meter harness connector M41 ter-
minal 18 (PU/W).

4.

Check continuity between BCM harness connector M4 terminal
49 (PU/W) and ground.

OK or NG

OK

>> Replace the combination meter.

NG

>> Repair harness or connector.

Wiper and Washer Activate Individually but Intermittent Wiper and Washer 
Combination Does Not Operate

EKS001J5

1. 

CHECK POWER SUPPLY CIRCUIT FOR FRONT WIPER RELAY

1.

Remove the front wiper relay.

2.

Turn ignition switch to ON position.

3.

Check voltage between front wiper relay harness connector E4
terminal 1 (LG) and ground.

OK or NG

OK

>> GO TO 2.

NG

>> Check the following.

●

20A fuse [No. 34, located in the fuse block (J/B) No.2]

●

Harness for open or short between front wiper relay
and fuse

2. 

CHECK GROUND CIRCUIT FOR FRONT WIPER RELAY

1.

Turn ignition switch to OFF position.

2.

Check continuity between front wiper relay harness connector
E4 terminal 5 (B) and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair harness ground circuit.

3. 

CHECK FRONT WIPER RELAY

Check front wiper relay.

OK or NG

OK

>> GO TO 4.

NG

>> Replace the front wiper relay.

Continuity should exist.

Continuity should not exist.

PIIA0308E

Battery voltage should exist.

SKIA4236E

Continuity should exist.

PKIA0316E