clock INFINITI QX56 2004 Factory Manual PDF

REAR WIPER AND WASHER SYSTEM
WW-41
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D
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J
L
MA
B
WW
Revision: August 20072004 QX56
How to Proceed With Trouble DiagnosisEKS007FS
1. Confirm the symptoms and customer complaint.
2. Understand operation description and function description. Refer to WW-33, "
System Description" .
3. Perform the Preliminary Check. Refer to WW-41, "
Preliminary Inspection" .
4. Check symptom and repair or replace the cause of malfunction.
5. Does the rear wiper operate normally? If YES: GO TO 6. If NO: GO TO 4.
6. Inspection End.
Preliminary InspectionEKS007FT
INSPECTION FOR POWER SUPPLY AND GROUND CIRCUIT
Inspection procedure
1. CHECK FUSE
Check if wiper or washer fuse is blown.
OK or NG
OK >> GO TO 2.
NG >> If fuse or fusible link is blown, be sure to eliminate cause of malfunction before installing new fuse
or fusible link. Refer to PG-4, "
POWER SUPPLY ROUTING CIRCUIT" .
55 SB Rear wiper output circuit 1 ONRise up position (rear wiper arm on
stopper)0V (except battery voltage at ini-
tial rear wiper ON to lift arm off
stop)
A Position (full clockwise stop
position)Battery voltage
Forward sweep (counterclockwise
direction)Battery voltage
B Position (full counterclockwise stop
position)0V
Reverse sweep (clockwise direction) 0V
67 B Ground ON — 0V
70 W/B Battery power OFF — Battery voltage Te r m i -
nal No.Wire
colorSignal nameMeasuring condition
Reference Value (V)
(Approx.) Ignition
switchOperation or condition
Unit Power source Fuse and fusible link No.
Front and rear washer motor Ignition ON or START 9
BCMIgnition ON or START 59
Batteryf

REAR WIPER AND WASHER SYSTEM
WW-47
C
D
E
F
G
H
I
J
L
MA
B
WW
Revision: August 20072004 QX56
7. CHECK COMBINATION SWITCH INPUT SIGNAL
Select “BCM” on CONSULT-II. With “WIPER” data monitor, make
sure “RR WIPER INT”, “RR WIPER ON” turn ON-OFF according to
operation of wiper switch.
OK or NG
OK >> Replace BCM. Refer to BCS-19, "Removal and Installa-
tion of BCM" .
NG >> Check the wiper switch. Refer to BCS-3, "
COMBINA-
TION SWITCH READING FUNCTION" .
Rear Wiper Stop Position Is IncorrectEKS007FW
1. CHECK AUTO STOP SWITCH INPUT SIGNALS
Select “BCM” on CONSULT-II. With “WIPER” data monitor, make
sure “RR WIPER STOP” and "RR AUTO STOP 2" turn ON-OFF
according to wiper operation.
OK or NG
OK >> Replace BCM. Refer to BCS-19, "Removal and Installation of BCM" .
NG >> GO TO 2.
2. CHECK AUTO STOP CIRCUITS FOR SHORT TO GROUND
1. Turn ignition switch to OFF.
2. Disconnect BCM and rear wiper motor connectors.
3. Check continuity between BCM harness connector terminals
and ground.
OK or NO
OK >> GO TO 3.
NO >> Repair harness or connector.When wiper switch is in
INT position: RR WIPER INT ON
When wiper switch is in
ON position: RR WIPER ON ON
SKIA4243E
When wiper switch is OFF
and arm on stop: RR WIPER STOP ON
: RR AUTO STOP 2 ON
When wiper switch is ON
and arm in position A: RR WIPER STOP OFF
: RR AUTO STOP 2 ON
When wiper switch is ON
counterclockwise sweep: RR WIPER STOP OFF
: RR AUTO STOP 2 OFF
When wiper switch is ON
and arm in position B: RR WIPER STOP ON
: RR AUTO STOP 2 OFF
When wiper switch is ON
clockwise sweep: RR WIPER STOP OFF
: RR AUTO STOP 2 OFF
When wiper switch is ON
and arm in position A: RR WIPER STOP ON
: RR AUTO STOP 2 OFF
WKIA1418E
BCM
Continuity
ConnectorTe r m i n a l
(wire color)
M18 26 (Y/L)
Ground No
M19 44 (O)
WKIA2096E