headlamp INFINITI QX56 2006 Factory Repair Manual

HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM -LT-35
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Revision: November 2009 2006 QX56
AUTO LIGHT OPERATION
For auto light operation, refer to LT- 4 8 , "System Description" in AUTO LIGHT SYSTEM.
CAN Communication System DescriptionEKS00B8F
Refer to LAN-26, "CAN COMMUNICATION" .

LT-36
HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM -
Revision: November 20092006 QX56
SchematicEKS00B8G
WKWA3641E

HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM -LT-37
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Revision: November 2009 2006 QX56
Wiring Diagram — DTRL —EKS00B8H
WKWA3642E

LT-38
HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM -
Revision: November 20092006 QX56
WKWA3643E

HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM -LT-39
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Revision: November 2009 2006 QX56
WKWA3644E

LT-40
HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM -
Revision: November 20092006 QX56
WKWA3645E

HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM -LT-41
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Revision: November 2009 2006 QX56
Terminals and Reference Values for BCMEKS00B8I
Te r m i n a l
No. Wire
color Signal name Measuring condition
Reference value
(Approx.)
Ignition
switch Operation or condition
2 SB Combination switch input 5 ONLighting, turn, wiper OFF
Wiper dial position 4
3 G/Y Combination switch input 4 ONLighting, turn, wiper OFF
Wiper dial position 4
4 Y Combination switch input 3 ONLighting, turn, wiper OFF
Wiper dial position 4
5 G/B Combination switch input 2 ONLighting, turn, wiper OFF
Wiper dial position 4
6 V Combination switch input 1
32 R/G Combination switch output 5 ON Lighting, turn, wiper OFF
Wiper dial position 4
33 R/Y Combination switch output 4 ON Lighting, turn, wiper OFF
Wiper dial position 4
34 L Combination switch output 3 ON Lighting, turn, wiper OFF
Wiper dial position 4
SKIA5291E
SKIA5292E
SKIA5291E
SKIA5292E
SKIA5291E
SKIA5292E
SKIA5291E

LT-42
HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM -
Revision: November 20092006 QX56
How to Proceed With Trouble DiagnosisEKS00B8J
1. Confirm the symptom or customer complaint.
2. Understand operation description and function description. Refer to LT- 3 4 , "
System Description" .
3. Perform the Preliminary Check. Refer to LT- 4 2 , "
Preliminary Check" .
4. Check symptom and repair or replace the cause of malfunction.
5. Does the headlamp operate normally? If YES: GO TO 6. If NO: GO TO 4.
6. Inspection End.
Preliminary CheckEKS00B8K
CHECK BCM CONFIGURATION
1. CHECK BCM CONFIGURATION
Confirm BCM configuration for "DTRL" is set to "WITH". Refer to BCS-14, "
READ CONFIGURATION PROCE-
DURE" .
OK or NG
OK >> Continue preliminary check. Refer to LT- 4 2 , "INSPECTION FOR POWER SUPPLY AND
GROUND CIRCUIT" .
NG >> Change BCM configuration for "DTRL" to "WITH". Refer to BCS-16, "
WRITE CONFIGURATION
PROCEDURE" .
INSPECTION FOR POWER SUPPLY AND GROUND CIRCUIT
1. CHECK FUSES AND FUSIBLE LINK
Check for blown fuses or fusible link.
Refer to LT- 3 7 , "
Wiring Diagram — DTRL —" .
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" .
35 O/B Combination switch output 2
ONLighting, turn, wiper OFF
Wiper dial position 4
36 R/W Combination switch output 1
38 W/L Ignition switch (ON) ON— Battery voltage
39 L CAN-H ———
40 P CAN-L ———
67 B Ground ON— 0V
70 W/B Battery power supply (fusible link) OFF —Battery voltage
Terminal
No. Wire
color Signal name Measuring condition
Reference value
(Approx.)
Ignition
switch Operation or condition
SKIA5292E
Unit
Power sourceFuse and fusible link No.
BCM Battery
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Ignition switch ON or START position 59
Daytime light relay Battery45

HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM -LT-43
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2. CHECK POWER SUPPLY CIRCUIT
1. Disconnect BCM connectors.
2. Check voltage between BCM harness connector and ground.
OK or NG
OK >> GO TO 3.
NG >> Check harness for open or short between BCM and fuse or fusible link.
3. CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
OK or NG
OK >> Inspection End.
NG >> Check ground circuit harness.
INSPECTION PARKING BRAKE SWITCH CIRCUIT
1. CHECK BRAKE INDICATOR
1. Turn ignition switch ON.
2. Apply parking brake.
3. Release parking brake.
OK or NG
OK >> Inspection End.
NG >> GO TO 2.
BCM Ignition switch position
(+) (– )OFFACCON
Connector Terminal
M18 38 Ground0V 0V
Battery
voltage
M20 70 Battery
voltage Battery
voltage Battery
voltage
WKIA1436E
BCM Continuity
Connector Terminal
M20 67Ground Yes
LIIA0915E
Brake indicator in combination meter should illuminate
when parking brake is applied and turn OFF when
released.

LT-44
HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM -
Revision: November 20092006 QX56
2. CHECK PARKING BRAKE SWITCH SIGNAL
1. Turn ignition switch OFF.
2. Disconnect parking brake switch connector.
3. Turn ignition switch ON.
4. Check voltage between parking brake switch connector M11 ter- minal 1 and ground.
OK or NG
OK >> Replace parking brake switch.
NG >> GO TO 3.
3. CHECK PARKING BRAKE SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect combination meter connector.
3. Check continuity between combination meter connector M24 (A) terminal 23 and parking brake switch connector M11 (B) terminal
1.
OK or NG
OK >> Replace combination meter. Refer to IP-13, "COMBINA-
TION METER" .
NG >> Repair harness or connector.
CONSULT-II FunctionsEKS00B8L
Refer to LT- 1 6 , "CONSULT-II Function (BCM)" in HEADLAMP (FOR USA).
Refer to LT- 1 9 , "
CONSULT-II Function (IPDM E/R)" in HEADLAMP (FOR USA).
Daytime Light Control Does Not Operate Properly (Normal Headlamps Operate
Properly)
EKS00D6B
1. CHECK DAYTIME LIGHT RELAY POWER SUPPLY CIRCUIT
1. Remove daytime light relay.
2. Check voltage between daytime light relay connector E103 ter- minals 2, 5 and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair harness or connector. 1 - Ground
: Battery voltage should exist.
WKIA4609E
1 - 23: Continuity should exist.
WKIA4610E
2, 5 - Ground : Battery voltage should exist.
WKIA4611E