2004 INFINITI QX56 Factory Service Manual

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INFINITI QX56 2004 Factory Service Manual WW-40
REAR WIPER AND WASHER SYSTEM
Revision: August 20072004 QX56
33 R/Y Combination switch output 4 ONLight switch and wiper switch OFF
Wiper dial position 4
34 L Combination switch output 3 ON
Li

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INFINITI QX56 2004 Factory Service Manual REAR WIPER AND WASHER SYSTEM
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How to Proceed With Trouble DiagnosisEKS007FS
1. Confirm the symptoms and customer complaint.
2. Understand

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INFINITI QX56 2004 Factory Service Manual WW-42
REAR WIPER AND WASHER SYSTEM
Revision: August 20072004 QX56
2. CHECK POWER SUPPLY CIRCUIT
1. Disconnect BCM connectors.
2. Check voltage between BCM harness connector terminals and
ground.
OK o

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CONSULT-II Function (BCM)EKS007FU
CONSULT-II can display each diagnostic item using the diagnostic test mode

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INFINITI QX56 2004 Factory Service Manual WW-44
REAR WIPER AND WASHER SYSTEM
Revision: August 20072004 QX56
4. Select the desired part to be diagnosed on the “SELECT TEST
ITEM” screen.
DATA MONITOR
Operation Procedure
1. Touch “WIPER”

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REAR WIPER AND WASHER SYSTEM
Revision: August 20072004 QX56
4. Select the desired part to be diagnosed on the “SELECT TEST
ITEM” screen.
DATA MONITOR
Operation Procedure
1. Touch “WIPER” on “SELECT TEST ITEM” screen.
2. Touch “DATA MONITOR” on “SELECT DIAG MODE” screen.
3. Touch either “ALL SIGNALS” or “SELECTION FROM MENU” on “SELECT MONITOR ITEM” screen.
4. Touch “START”.
5. When “SELECTION FROM MENU” is selected, touch items to be monitored. When “ALL SIGNALS” is
selected, all the items will be monitored.
6. Touch “RECORD” while monitoring, then the status of the monitored item can be recorded. To stop
recording, touch “STOP”.
Display Item List
ACTIVE TEST
Operation Procedure
1. Touch “WIPER” on the “SELECT TEST ITEM” screen.
2. Touch “ACTIVE TEST” on the “SELECT DIAG MODE” screen.
3. Touch item to be tested and check operation of the selected item.
4. During the operation check, touching “BACK” deactivates the operation.
LKIA0183E
ALL SIGNALS Monitors all the items.
SELECTION FROM MENU Selects and monitors the individual item selected.
Monitor item name
“OPERATION OR UNIT”Contents
IGN ON SW “ON/OFF” Displays “IGN Position (ON)/OFF, ACC Position (OFF)” status as judged from ignition switch signal.
IGN SW CAN “ON/OFF”Displays “IGN Position (ON)/OFF, ACC Position (OFF)” status as judged from CAN communica-
tions.
FR WIPER INT “ON/OFF” Displays “Front Wiper INT (ON)/Other (OFF)” status as judged from wiper switch signal.
FR WIPER LOW “ON/OFF” Displays “Front Wiper LOW (ON)/Other (OFF)” status as judged from wiper switch signal.
FR WIPER HI “ON/OFF” Displays “Front Wiper HI (ON)/Other (OFF)” status as judged from wiper switch signal.
FR WASHER SW “ON/OFF” Displays “Front Washer Switch (ON)/Other (OFF)” status as judged from wiper switch signal.
INT VOLUME (1 - 7) Displays intermittent operation dial position setting (1 - 7) as judged from wiper switch signal.
VEHICLE SPEED “0.0 km/h” Displays vehicle speed as received over CAN communication.
FR WIPER STOP “ON/OFF” Displays “Stopped (ON)/Operating (OFF)” status as judged from the auto stop signal.
RR WIPER INT “ON/OFF” Displays “Rear Wiper INT (ON)/Other (OFF)” status as judged from wiper switch signal.
RR WIPER ON “ON/OFF” Displays “Rear Wiper (ON)/Other (OFF)” status as judged from wiper switch signal.
RR WASHER SW “ON/OFF” Displays “Rear Washer Switch (ON)/Other (OFF)” status as judged from wiper switch signal.
RR WIPER STOP “ON/OFF” Displays “Stopped (OFF)/Operating (ON)” status as judged from the auto stop switch 1.
RR AUTO STP 2 “ON/OFF” Displays “Stopped (OFF)/Operating (ON)” status as judged from the auto stop switch 2.

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Display Item List
Rear Wiper Does Not OperateEKS007FV
1. REAR WIPER ACTIVE TEST
1. Select "BCM" on CONSULT-

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INFINITI QX56 2004 Factory Service Manual WW-46
REAR WIPER AND WASHER SYSTEM
Revision: August 20072004 QX56
4. CHECK REAR WIPER MOTOR AUTO STOP CIRCUITS
1. Disconnect BCM connector M18.
2. Check continuity between BCM harness connector termin

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7. CHECK COMBINATION SWITCH INPUT SIGNAL
Select “BCM” on CONSULT-II. With “WIPER” data monitor, make

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