Infiniti M45 (Y34). Manual — part 810

FRONT WIPER AND WASHER SYSTEM

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SWITCH MONITOR
How to Perform Switch Monitor

Diagnosis Result Display

●

Detects the status change (switch ON/OFF operation) of the switch to be checked, and turns on/off the
indicator lamps (the map lamp and step lamp). Also sounds the buzzer for 0.5 seconds.

●

If a malfunction is detected, no indicator lamp and buzzer react.

Cancel of Switch Monitor

●

Turn ignition switch OFF.

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Drive the vehicle at more than 7 km/h (4 MPH).

PKIA7882E

SEL960V

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FRONT WIPER AND WASHER SYSTEM

Intermittent Wiper Does Not Operate

AKS002LH

1.

CHECK INTERMITTENT WIPER SWITCH INPUT SIGNAL

With CONSULT-II

See “INT SW” in “DATA MONITOR” mode.
When wiper switch is in INT position: ON
When wiper switch is in OFF position: OFF

NOTE:
When “DATA MONITOR” is operating, intermittent wiper does not
operate.

Without CONSULT-II

Check wiper switch (INT) in switch monitor mode. Refer to

WW-15,

"SWITCH MONITOR"

.

OK or NG

OK

>> GO TO 2

NG

>> Check the following.

●

Front wiper switch

●

Harness for open or short between BCM and wiper switch

●

Front wiper switch ground circuit

2.

CHECK WIPER AUTO STOP SIGNAL

With CONSULT-II

See “WIP AUTO STOP” in “DATA MONITOR” mode, and turn wiper
switch to LO or HI position.
When wiper switch is in INT or OFF position: IGN
When wiper switch is in LO or HI: GND

Without CONSULT-II

1.

Turn ignition switch ON.

2.

Turn wiper switch to LO or HI position.

3.

Check voltage between BCM harness connector E204 terminal
124 (SB) and ground.

OK or NG

OK

>> GO TO 3

NG

>> Check the following.

●

Wiper motor

●

Wiper motor ground circuit

●

Harness for open or short between BCM and wiper motor

SEL503W

SEL504W

Terminals

Voltage

(+)

(-)

Condition

Connector

Terminal (Wire color)

E204

124 (SB)

Ground

Moving

Approx. 0V

Stopped

Battery voltage

PKIA5980E

FRONT WIPER AND WASHER SYSTEM

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3.

CHECK IGNITION SWITCH ON SIGNAL

With CONSULT-II

See “IGN ON SW” in DATA MONITOR mode.
When ignition switch is ON: ON
When ignition switch is ACC or OFF: OFF

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 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 refer to

WW-

20, "Wiper and Washer Activate Individually But Intermittent Wiper
and Washer Combination Does Not Operate"

.

OK or NG

OK

>> Replace BCM.

NG

>> GO TO

WW-20, "Wiper and Washer Activate Individu-

ally But Intermittent Wiper and Washer Combination Does Not Operate"

.

PKIA0311E

Terminals

Voltage

(+)

(-)

Condition

Connector

Terminal

(Wire color)

M4

68 (W/B)

Ground

Ignition switch ON or START

Battery
voltage

Ignition switch ACC or ON

Approx. 0V

PKIA5981E

Wiper motor should operate.

SEL494W

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FRONT WIPER AND WASHER SYSTEM

Intermittent Time of Wiper Cannot be Adjusted

AKS002LI

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.

Turn ignition switch OFF.

2.

Disconnect BCM connector.

3.

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

OK or NG

OK

>> Replace BCM.

NG

>> GO TO 2

2.

CHECK FRONT WIPER SWITCH

Check front wiper switch. Refer to

WW-21, "Wiper and Washer Switch Circuit Check"

.

OK or NG

OK

>> Check the following.

●

Harness for open or short between BCM and front wiper switch

●

Front wiper switch ground circuit

NG

>> Replace front wiper switch.

Wiper and Washer Activate Individually But Not in Combination

AKS002LJ

1.

CHECK WASHER SWITCH INPUT SIGNAL

With CONSULT-II

See “WASH SW” in “DATA MONITOR” mode.
When washer switch is ON: ON
When washer switch is OFF: OFF

Without CONSULT-II

Check wiper switch (WASH) in switch monitor mode. Refer to

WW-

15, "SWITCH MONITOR"

.

OK or NG

OK

>> Replace BCM.

NG

>> Check the following.

●

Harness for open or short between BCM and front
wiper switch

Short interval

: Approx. 0 kohm

Long interval

: Approx. 1 kohm

SEL506W

Terminals

Resistance

Connector

Terminal (Wire color)

Condition

M4

48 (R/G)

Ground

Short interval

Approx. 0

Ω

Long interval

Approx. 1k

Ω

PKIA5982E

SEL507W