FRONT WIPER AND WASHER SYSTEM WW-19
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D  E 
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G  H 
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L 
M  A 
B
WW 
Revision: 2006 December 2006 FX35/FX45
How to Proceed With Trouble DiagnosisNKS0032E
1. Confirm the symptoms and customer complaint. 
2. Understand operation description and function description. Refer to   WW-4, "
System Description" . 
3. Perform the Preliminary Check. Refer to   WW-19, "
Preliminary Check" . 
4. Check symptom and repair or replace the cause of malfunction. 
5. Does the front wiper and washer operate normally? If YES, GO TO 6. If NO, GO TO 4. 
6. INSPECTION END
Preliminary CheckNKS0032F
CHECK POWER SUPPLY AND GROUND CIRCUIT
1. CHECK FUSE 
Check for blown fuses. 
Refer to   WW-12, "
Wiring Diagram — WIPER —" . 
OK or NG
OK >> GO TO 2 
NG >> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse, Refer to   PG-
3, "POWER SUPPLY ROUTING CIRCUIT" .
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.
Unit Power source Fuse and fusible link No. 
Front washer pump Ignition switch ON or START 84
Front wiper motor, front wiper relay, front wiper HI relay Battery 73 
BCM  Battery 
M 
22
Ignition switch ON or START 1
(+)  (-) Ignition switch position 
BCM connector Terminal OFF ON M3 38 Ground Approx. 0 V Battery voltage 
M4  42 Battery voltage Battery voltage 
55 Battery voltage Battery voltage
PKIB5199E
BCM connector Terminal Ground Continuity 
M4  49 
Ye s 
52
PKIB3545E 
         REAR WIPER AND WASHER SYSTEM WW-45
C 
D  E 
F 
G  H 
I 
J 
L 
M  A 
B
WW 
Revision: 2006 December 2006 FX35/FX45
How to Proceed With Trouble DiagnosisNKS00337
1. Confirm the symptoms and customer complaint. 
2. Understand operation description and function description. Refer to   WW-39, "
System Description" . 
3. Perform the Preliminary Check. Refer to   WW-45, "
Preliminary Check" . 
4. Check symptom and repair or replace the cause of malfunction. 
5. Does the rear wiper and washer operate normally? If YES, GO TO 6. If NO, GO TO 4. 
6. INSPECTION END
Preliminary CheckNKS00338
CHECK POWER SUPPLY AND GROUND CIRCUIT
1. CHECK FUSE 
Check for blown fuses. 
Refer to   WW-41, "
Wiring Diagram — WIP/ R —" . 
OK or NG
OK >> GO TO 2. 
NG >> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse, Refer to   PG-
3, "POWER SUPPLY ROUTING CIRCUIT" .
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.
Unit Power source Fuse and fusible link No. 
BCM  Battery 
M 
22
Ignition ON or START 1
Rear washer pump Ignition ON or START 84
(+)  (-) Ignition switch position 
BCM connector Terminal OFF ON M3 38 Ground Approx. 0 V Battery voltage 
M4  42 Battery voltage Battery voltage 
55 Battery voltage Battery voltage
PKIB5199E
BCM connector Terminal Ground Continuity 
M4  49 
Ye s 
52
PKIB3545E