ignition switch INFINITI FX35 2008 Service Manual

REAR WIPER AND WASHER SYSTEMWW-35
< SERVICE INFORMATION >
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How to Proceed with Trouble DiagnosisINFOID:0000000001328580
1. Confirm the symptoms and customer complaint.
33 G Combination
switch output 4 ONLighting, turn, wip-
er switch
(Wiper intermittent
dial position 4) OFF
Approx. 7.2 V
Rear wiper switch INT Approx. 1.2 V
34 W/B Combination
switch output 3
ONLighting, turn, wip-
er switch
(Wiper intermittent
dial position 4) OFF
Approx. 7.2 V
Rear washer switch Approx. 1.2 V
38 W/L Ignition switch
(ON) ON — Battery voltage
39 L CAN − H— — —
40 P CAN − L— — —
42 L/R Battery power
supply
OFF — Battery voltage
49 B Ground ON — Approx. 0 V
52 B Ground ON — Approx. 0 V
55 G Battery power
supply OFF — Battery voltage
59 Y Rear wiper auto
stop signal
ONWiper operating Approx. 0 V
Wiper stopped Battery voltage
70 SB Rear wiper mo-
tor output signal ON Wiper switch OFF Approx. 0 V
ON Battery voltage
Te r m i n a l
No. Wire
color Signal name Measuring condition
Reference value
Ignition
switch Operation or condition
PKIB4960J
PKIB4958J
PKIB4960J
PKIB4958J
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

WW-36
< SERVICE INFORMATION >
REAR WIPER AND WASHER SYSTEM
2. Understand operation description and function description. Refer to WW-30, "System Description".
3. Perform the Preliminary Check. Refer to WW-36, "
Preliminary Check".
4. Check symptom and repair or r eplace the cause of malfunction.
5. Does the rear wiper and washer operate no rmally? If YES, GO TO 6. If NO, GO TO 4.
6. INSPECTION END
Preliminary CheckINFOID:0000000001328581
CHECK POWER SUPPLY AND GROUND CIRCUIT
1.CHECK FUSES
Check for blown fuses.
Refer to WW-32, "Wiring Diagram - WIP/ R -".
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate caus e of malfunction before installing new fuse, Refer to PG-
3, "Schematic".
2.CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check voltage between BCM harness connector and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connector.
3.CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
OK or NG
OK >> INSPECTION END
NG >> Repair harness or connector.
CONSULT-III Functions (BCM)INFOID:0000000001328582
CONSULT-III can display each diagnostic item using the diagnostic test mode shown following.
Unit Power source Fuse and fusible link No.
BCM BatteryM
22
Ignition ON or START 1
Front and rear washer pump Ignition ON or START 84
(+) (-)Ignition switch position
BCM connector Terminal OFF ON M3 38 GroundApprox. 0 V Battery voltage
M4 42 Battery voltage Battery voltage
55 Battery voltage Battery voltage
PKIA7520E
BCM connector Terminal
GroundContinuity
M4 49
Ye s
52
SKIA5294E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

REAR WIPER AND WASHER SYSTEMWW-37
< SERVICE INFORMATION >
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DATA MONITOR
Display Item List
NOTE:
This item is displayed, but cannot be monitored.
ACTIVE TEST
Display Item List
Rear Wiper Does Not OperateINFOID:0000000001328583
1.CHECK CIRCUIT BETWEEN COMB INATION SWITCH AND BCM
With CONSULT-III
1. Select “RR WIPER ON” of BCM data monitor item.
2. With operating the wiper switch, check the monitor status.
Without CONSULT-III
Refer to LT-104, "
Combination Switch Inspection".
BCM diagnosis position Diagnosis mode Description
WIPER DATA MONITOR Displays BCM input data in real time.
ACTIVE TEST Device operation can be checked by applying a drive signal to device.
Monitor item Contents
IGN ON SW “ON/OFF” Displays status (ignition switch IGN position: ON/other: OFF) of ignition switch judged from the
ignition switch signal.
IGN SW CAN “ON/OFF” Displays status (ignition switch IGN position: ON/other: OFF) of ignition switch judged from the
ignition switch signal (CAN communication lines).
FR WIPER HI “ON/OFF” Displays status (front wiper switch high position: ON/other: OFF) of front wiper high switch
judged from the front wiper switch signal.
FR WIPER LOW “ON/OFF” Displays status (front wiper switch low position: ON/other: OFF) of front wiper low switch
judged from the front wiper switch signal.
FR WIPER INT “ON/OFF” Displays status (front wiper switch intermittent
position: ON/other: OFF) of front wiper intermit-
tent switch judged from the front wiper switch signal.
FR WASHER SW “ON/OFF” Displays status (front washer switch ON position: ON/other: OFF) of front washer switch
judged from the front wiper switch signal.
INT VOLUME “1 - 7” Displays status (wiper intermittent dial position setting 1- 7) of intermittent volume switch
judged from the front wiper switch signal.
FR WIPER STOP “ON/OFF” Displays status (front wiper stop position: ON/move: OFF) of front wiper motor stop judged
from the front wiper auto stop signal.
VEHICLE SPEED “km/h” Displays status vehicle sp eed as judged from vehicle speed signal.
RR WIPER ON “OFF” Displays status (rear wiper switch ON position: ON/other: OFF) of rear wiper switch judged
from the rear wiper switch signal.
RR WIPER INT “OFF” Displays status (rear wiper switch intermittent position: ON/other: OFF) of rear wiper intermit-
tent switch judged from the rear wiper switch signal.
RR WASHER SW “OFF” Displays status (rear washer switch ON position: ON/other: OFF) of rear washer switch judged
from the rear wiper switch signal.
RR WIPER STOP “OFF” Displays status (rear wiper stop position: OFF/move: ON) of rear wiper motor stop judged from
the rear wiper auto stop signal.
H/L WASH SW
NOTE“ON/OFF” —
Test item Display on CONSULT-III screen Description
Front wiper output FR WIPER With a certain operation (OFF, HI, LO, INT), front wiper can be operated. Rear wiper output RR WIPER Rear wiper can be operated by any ON-OFF operation
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

WW-38
< SERVICE INFORMATION >
REAR WIPER AND WASHER SYSTEM
OK or NG
OK >> GO TO 2.
NG >> Check combination switch (wiper switch). Refer to LT-104, "
Combination Switch Inspection".
2.ACTIVE TEST
With CONSULT-III
1. Select “REAR WIPER” of BCM active test item.
2. With operating the test item, check the rear wiper operation.
Without CONSULT-III
GO TO 3.
Does rear wiper operate normally?
YES >> Replace BCM. Refer to BCS-13, "Removal and Installation of BCM".
NO >> GO TO 3.
3.CHECK BCM
With rear wiper switch ON, check voltage between rear wiper motor
harness connector and ground.
OK or NG
OK >> GO TO 4.
NG >> GO TO 5.
4.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear wiper motor connector.
3. Check continuity between rear wiper motor harness connector and ground.
OK or NG
OK >> Replace rear wiper motor.
NG >> Repair harness or connector.
5.CHECK REAR WIPER CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector and rear wiper motor connector.
3. Check continuity between BCM harness connector and rear wiper motor harness connector.
4. Check continuity between BCM harness connector and ground.
OK or NG
OK >> Replace BCM. Refer to BCS-13, "Removal and Installa-
tion of BCM".
NG >> Repair harness or connector.
4 – Ground : Battery voltage.
PKIB1784E
2 – Ground : Conti nuity should exist.
PKIA5200E
70 – 4 : Continuity should exist.
70 – Ground : Continuity should not exist.
PKID0795E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

REAR WIPER AND WASHER SYSTEMWW-39
< SERVICE INFORMATION >
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Rear Wiper Does Not Re turn to Stop PositionINFOID:0000000001328584
1.CHECK REAR WIPER MOTOR CIRCUIT
With CONSULT-III
1. Select “RR WIPER STOP” of BCM data monitor item.
2. Check that “RR WIPER STOP”, turn ON-O FF linked with rear wiper switch operation.
Without CONSULT-III
GO TO 2.
OK or NG
OK >> Replace BCM. Refer to BCS-13, "Removal and Installation of BCM".
NG >> GO TO 2.
2.CHECK REAR WIPER AUTO STOP CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector and rear wiper motor connector.
3. Check continuity between BCM harness connector and rear wiper motor harness connector.
4. Check continuity between BCM harness connector and ground.
5. Check continuity between rear wiper motor harness connector and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connector.
3.CHECK REAR WIPER MOTOR SIGNAL
1. Connect BCM connector and rear wiper motor connector.
2. Turn ignition switch ON.
3. Check voltage between rear wiper motor harness connector and ground while rear wiper motor is stopped and while it is operat-
ing.
OK or NG
OK >> Replace BCM. Refer to BCS-13, "Removal and Installation of BCM".
NG >> Replace rear wiper motor.
59 – 3 : Continuity should exist.
59 – Ground : Continuity should not exist.
PKID0796E
2 – Ground : Continuity should exist.
PKIA5200E
(+)
(-) Condition Vo l ta g e
(Approx.)
Rear wiper motor
Connector Te r m i n a l
D107 3 Ground Wiper stopped
Battery
voltage
Wiper operating 0 V
PKIA5203E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C