2009 INFINITI QX56 Dlk

WCS-10
< FUNCTION DIAGNOSIS >
WARNING CHIME SYSTEM
KEY WARNING CHIME
KEY WARNING CHIME : System DiagramINFOID:0000000003776700
KEY WARNING CHIME : System DescriptionINFOID:0000000003776701
WHEN MECHANICAL KEY IS USED
With the key inserted into the key switch, and the ignition switch in the LOCK or ACC position, when driver's
door is opened, the warning chime will sound.
• BCM detects key inserted into the ignition switch, and sends key warning signal to combination meter with CAN communication line.
• When combination meter receives key warning signal, it sounds the warning chime.
WHEN INTELLIGENT KEY IS CARRIED WITH THE DRIVER
Refer to DLK-6, "Work Flow".
WKIA5464E
Revision: December 20092009 QX56

WCS-62
< SYMPTOM DIAGNOSIS >
THE LIGHT REMINDER WARNING DOES NOT SOUND
SYMPTOM DIAGNOSIS
THE LIGHT REMINDER WARNING DOES NOT SOUND
DescriptionINFOID:0000000003776730
Light reminder warning does not sound even though headlamp is illuminated.
Diagnosis ProcedureINFOID:0000000003776731
1.CHECK COMBINATION SWITCH (LIGHTING SWITCH) OPERATION
Check that the headlamps operate normally by operat ing the combination switch (lighting switch).
Do they operate normally?
YES >> GO TO 2
NO >> Refer to EXL-4, "
Work Flow".
2.CHECK FRONT DOOR SWITCH LH SIGNAL CIRCUIT
Perform inspection of the front door s witch LH signal circuit. Refer to DLK-71, "
Diagnosis Procedure".
Is the inspection result normal?
YES >> GO TO 3
NO >> Repair harness or connector.
3.CHECK FRONT DOOR SWITCH LH
Perform a unit inspection for the front door switch LH. Refer to DLK-71, "
Diagnosis Procedure".
Is the inspection result normal?
YES >> Replace the BCM. Refer to BCS-56, "Removal and Installation".
NO >> Replace the front door switch LH.
Revision: December 20092009 QX56

DIAGNOSIS SYSTEM (IPDM E/R)WW-13
< FUNCTION DIAGNOSIS >
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DIAGNOSIS SYSTEM (IPDM E/R)
Diagnosis DescriptionINFOID:0000000004115472
AUTO ACTIVE TEST
Description
In auto active test mode, the IPDM E/R sends a drive signal to the following systems to check their operation.
• Oil pressure low/coolant pressure high warning indicator
• Oil pressure gauge
• Rear window defogger
• Front wipers
• Tail, license and parking lamps
• Front fog lamps
• Headlamps (Hi, Lo)
• A/C compressor (magnetic clutch)
• Cooling fan
Operation Procedure
1. Close the hood and front door RH, and lift the wiper arms from the windshield (to prevent windshield dam-
age due to wiper operation).
NOTE:
When auto active test is performed with hood opened, sprinkle water on windshield before hand.
2. Turn ignition switch OFF.
3. Turn the ignition switch ON and, within 20 seconds, press the front door switch LH 10 times. Then turn the ignition switch OFF.
4. Turn the ignition switch ON within 10 seconds. Af ter that the horn sounds once and the auto active test
starts.
5. After a series of the following operations is repeated 3 times, auto active test is completed.
NOTE:
When auto active test mode has to be cancelled halfway through test, turn ignition switch OFF.
CAUTION:
• If auto active test mode cannot be actua ted, check door switch system. Refer to DLK-71,
"ComponentFunctionCheck".
• Do not start the engine.
Inspection in Auto Active Test Mode
When auto active test mode is actuated, the following 7 steps are repeated 3 times.
Operation
sequence Inspection Location
Operation
1 Rear window defogger 10 seconds
2 Front wipers LO for 5 seconds → HI for 5 seconds
WKIA4655E
Revision: December 20092009 QX56

REAR WIPER MOTOR CIRCUITWW-29
< COMPONENT DIAGNOSIS >
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3. Make sure hatch glass is closed
4. Check continuity between BCM harness connector and ground.
Does continuity exist?
YES >> GO TO 4
NO >> Repair harness if shorted. If not, refer to DLK-129,
"Diagnosis Procedure".
4. CHECK REAR WIPER MOTOR OPEN CIRCUIT
1. Check continuity between BCM harness connector and rear wiper motor harness connector.
Does continuity exist?
YES >> GO TO 5
NO >> Repair or replace harness.
5. CHECK REAR WIPER MOTOR SHORT CIRCUIT
Check continuity between BCM harness connector and ground.
Does continuity exist?
YES >> Repair or replace harness.
NO >> Replace BCM. Refer to BCS-56, "
Removal and Installa-
tion".
BCM
GroundContinuity
Connector Terminal
M19 42 No
WKIA1414E
BCMRear wiper motor
Continuity
Connector Terminal Connector Terminal
M19 54
D704 6
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55 4
WKIA1413E
BCM
GroundContinuity
Connector Terminal
M19 54
No
55
ALLIA0449ZZ
Revision: December 20092009 QX56

WW-82
< ON-VEHICLE REPAIR >
REAR WIPER AND WASHER SYSTEM
Removal
1. Remove wiper arm. Refer to WW-81, "Rear Wiper Arm".
2. Remove pivot cap.
3. Remove back door lock assembly. Refer to DLK-244, "
Door Lock Assembly".
4. Disconnect rear wiper motor connector.
5. Remove rear wiper motor bolts, and remove rear wiper motor.
Installation
CAUTION:
Do not drop the wiper motor or cause it to contact other parts.
1. Install rear wiper motor to the vehicle.
2. Connect rear wiper motor connector.
3. Install back door lock assembly. Refer to DLK-244, "
Door Lock Assembly".
4. Install pivot cap.
5. Install wiper arm. Refer to WW-81, "
Rear Wiper Arm".
Rear Washer Nozzle AdjustmentINFOID:0000000003776322
• This vehicle is equipped with a non-adjustable rear washer nozzle.
• If not satisfied with washer fluid spray coverage, c onfirm that the washer nozzle is installed correctly.
• If the washer nozzle is installed correctly, and the washer fluid spray coverage is not satisfactory, replace the
washer nozzle.
WKIA4567E
1. Wiper arm cover 2. Wiper arm and blade 3. Pivot cap
4. Rear wiper motor 5. Wiper arm stop6. Rear wiper arm nut
Revision: December 20092009 QX56