2007 INFINITI QX56 Factory Service Manual

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Page 1049 of 3061

INFINITI QX56 2007 Factory Service Manual DI-38
< SERVICE INFORMATION >
WARNING CHIME
Wiring Diagram - CHIME -
INFOID:0000000003533513
WKWA3627E

Page 1050 of 3061

INFINITI QX56 2007 Factory Service Manual WARNING CHIME
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Terminal and Reference Value for BCMINFOID:0000000003533514
Refer to BCS-11, "Terminal and Reference Value for BCM".
Termina

Page 1051 of 3061

INFINITI QX56 2007 Factory Service Manual DI-40
< SERVICE INFORMATION >
WARNING CHIME
How to Proceed with Trouble Diagnosis
INFOID:0000000003533516
1. Confirm the symptom or customer complaint.
2. Understand operation description and function

DI-40
< SERVICE INFORMATION >
WARNING CHIME
How to Proceed with Trouble Diagnosis
INFOID:0000000003533516
1. Confirm the symptom or customer complaint.
2. Understand operation description and function description. Refer to DI-36, "
System Description".
3. Perform the preliminary check. Refer to DI-40, "
Preliminary Check".
4. Check symptom and repair or replace the cause of malfunction.
5. Does the warning chime operate properly? If so, go to 6. If not, go to 3.
6. Inspection End.
Preliminary CheckINFOID:0000000003533517
INSPECTION FOR POWER SUPPLY AND GROUND CIRCUIT
Refer to BCS-15, "BCM Power Supply and Ground Circuit Inspection".
CONSULT-II Function (BCM)INFOID:0000000003533518
CONSULT-II can display each diagnostic item using the diagnostic test modes shown following.
CONSULT-II START PROCEDURE
Refer to GI-36, "CONSULT-II Start Procedure".
DATA MONITOR
Display Item List
ACTIVE TEST
Display Item List
SELF-DIAGNOSTIC RESULTS
BCM
diagnostic test itemDiagnostic mode Description
Inspection by partWORK SUPPORTSupports inspections and adjustments. Commands are transmitted to the BCM
for setting the status suitable for required operation, input/output signals are re-
ceived from the BCM and received data is displayed.
DATA MONITOR Displays BCM input/output data in real time.
ACTIVE TEST Operation of electrical loads can be checked by sending drive signal to them.
SELF-DIAG RESULTS Displays BCM self-diagnosis results.
CAN DIAG SUPPORT MNTR The result of transmit/receive diagnosis of CAN communication can be read.
ECU PART NUMBER BCM part number can be read.
CONFIGURATION Performs BCM configuration read/write functions.
Monitored item Description
IGN ON SW Indicates [ON/OFF] condition of ignition switch.
KEY ON SW Indicates [ON/OFF] condition of key switch.
DOOR SW-DR Indicates [ON/OFF] condition of front door switch (driver side).
LIGHT SW 1ST Indicates [ON/OFF] condition of lighting switch.
Test item Malfunction is detected when
LIGHT WARN ALMThis test is able to check light warning chime operation. Light warning chime sounds for 2 seconds
after touching “ON” on CONSULT-II screen.
IGN KEY WARN ALMThis test is able to check key warning chime operation. Key warning chime sounds for 2 seconds
after touching “ON” on CONSULT-II screen.
SEAT BELT WARN TESTThis test is able to check seat belt warning chime operation. Seat belt warning chime sounds for 2
seconds after touching “ON” on CONSULT-II screen.

Page 1052 of 3061

INFINITI QX56 2007 Factory Service Manual WARNING CHIME
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All Warning Chimes Do Not OperateINFOID:0000000003533519
1.CHECK BCM CHIME OPERATION
Select “BUZZER” o

Page 1053 of 3061

INFINITI QX56 2007 Factory Service Manual DI-42
< SERVICE INFORMATION >
WARNING CHIME
1. Turn ignition switch OFF.
2. Disconnect BCM connector M19 and front door switch LH con-
nector B8.
3. Check continuity between BCM harness connector M19

Page 1054 of 3061

INFINITI QX56 2007 Factory Service Manual WARNING CHIME
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With "DATA MONITOR" of "BUZZER", confirm "KEY ON SW"
changes when the key is inserted/removed from the ignition key cyl-
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Page 1055 of 3061

INFINITI QX56 2007 Factory Service Manual DI-44
< SERVICE INFORMATION >
WARNING CHIME
Check voltage between key switch and key lock solenoid harness
connector M27 terminal 3 and ground.
OK or NG
OK >> Replace the BCM. Refer to BCS-24, "BCM".

Page 1056 of 3061

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3.CHECK COMBINATION METER INPUT SIGNAL
1. Turn ignition switch ON.
2. Check voltage between combination meter harness connec

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