Infiniti QX56 (JA60). Manual — part 221
DIAGNOSIS SYSTEM (BCM)
DLK-55
< FUNCTION DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
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ACTIVE TEST
INTELLIGENT KEY
INTELLIGENT KEY : CONSULT-III Function (BCM - INTELLIGENT KEY)
INFOID:0000000005380576
DATA MONITOR
CDL UNLOCK SW
Indicates [ON/OFF] condition of unlock signal from lock/unlock switch.
CDL LOCK SW
Indicates [ON/OFF] condition of lock signal from lock/unlock switch.
DOOR SW-RL
Indicates [ON/OFF] condition of rear door switch LH.
DOOR SW-RR
Indicates [ON/OFF] condition of rear door switch RH.
RKE LCK-UNLCK
Indicates [ON/OFF] condition of lock/unlock signal at the same time from keyfob.
RKE KEEP UNLK
Indicates [ON/OFF] condition of unlock signal from keyfob.
Monitored Item
Description
Test Item
Description
FLASHER
This test is able to check right and left hazard reminder operation. The right hazard lamp turns on
when “RH” on CONSULT-III screen is touched and the left hazard lamp turns on when "LH" on CON-
SULT-III screen is touched.
POWER WINDOW DOWN
This test is able to check power window down operation. The windows are lowered when “ON” on
CONSULT-III screen is touched.
HORN
This test is able to check panic alarm and horn reminder operations. The alarm activate for 0.5 sec-
onds after “ON” on CONSULT-III screen is touched.
DOOR LOCK
This test is able to check door lock operation. The doors lock and unlock based on the item on CON-
SULT-III screen touched.
Monitor Item
[Unit]
Condition
I-KEY LOCK [ON/OFF]
Indicates condition of lock signal from Intelligent Key
I-KEY UNLOCK [ON/OFF]
Indicates [condition of unlock signal from Intelligent Key
I-KEY TRUNK [ON/OFF]
Indicates condition of trunk open signal from Intelligent Key
I-KEY PW DWN [ON/OFF]
Indicates condition of all power window signal from Intelligent Key
I-KEY PANIC [ON/OFF]
Indicates condition of panic signal from Intelligent Key
PUSH SW [ON/OFF]
Indicates condition of ignition knob switch
DLK-56
< FUNCTION DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
DIAGNOSIS SYSTEM (INTELLIGENT KEY UNIT)
DIAGNOSIS SYSTEM (INTELLIGENT KEY UNIT)
CONSULT-III Function (INTELLIGENT KEY)
INFOID:0000000005380577
APPLICATION ITEM
CONSULT-III performs the following functions via CAN communication with Intelligent Key unit.
SELF-DIAG RESULT
DATA MONITOR
ACTIVE TEST
Diagnosis mode
Function Description
SELF-DIAG RESULTS
Displays the diagnosis results judged by Intelligent Key unit.
CAN DIAG SUPPORT MNTR
Monitors the reception status of CAN communication viewed from Intelligent Key unit.
DATA MONITOR
The Intelligent Key unit input/output signals are displayed.
ACTIVE TEST
The signals used to activate each device are forcibly supplied from Intelligent Key unit.
ECU IDENTIFICATION
The Intelligent Key unit part number is displayed.
Monitor Item
Condition
PUSH SW
Indicates [ON (pushed)/OFF (released)] condition of ignition knob switch.
KEY SW
Indicates [ON (inserted)/OFF (removed)] condition of key switch.
DR REQ SW
Indicates [ON (pressed)/OFF (released)] condition of door request switch (driver side).
AS REQ SW
Indicates [ON (pressed)/OFF (released)] condition of door request switch (passenger side).
IGN SW
Indicates [ON (ON or START position)/OFF (other than ON and START position)] condition of
ignition switch ON position.
ACC SW
Indicates [ON/OFF] condition of ignition switch ACC position.
STOP LAMP SW
Indicates [ON/OFF] condition of stop lamp switch.
P RANGE SW
Indicates [ON/OFF] position of shift lever park position switch.
DOOR LOCK SIG
Indicates [ON/OFF] condition of LOCK signal from Intelligent Key.
DOOR UNLOCK SIG
Indicates [ON/OFF] condition of UNLOCK signal from Intelligent Key.
KEYLESS PANIC
Indicates [ON (pressed)/OFF (released)] condition of Intelligent Key panic button.
KEYLS PBD SIG
Indicates [ON (pressed)/OFF (released)] condition of Intelligent Key back door button.
DOOR SW DR
Indicates [OPEN/CLOSE] condition of front door switch (driver side) from BCM via CAN com-
munication.
DOOR SW AS
Indicates [OPEN/CLOSE] condition of front door switch (passenger side) from BCM via CAN
communication.
DOOR SW RR
Indicates [OPEN/CLOSE] condition of rear door switch (RH) from BCM via CAN communication.
DOOR SW RL
Indicates [OPEN/CLOSE] condition of rear door switch (LH) from BCM via CAN communication.
DOOR BK SW
Indicates [OPEN/CLOSE] condition of back door switch from BCM via CAN communication.
VEHICLE SPEED
Displays the vehicle speed signal received from combination meter by numerical value [km/h].
DIAGNOSIS SYSTEM (INTELLIGENT KEY UNIT)
DLK-57
< FUNCTION DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
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Test item
Description
DOOR LOCK/UNLOCK
This test is able to check door lock/unlock operation.
• ALL UNLK: All door lock actuators are unlocked.
• DR UNLK: Door lock actuator (driver side) is unlocked.
• AS UNLK: Door lock actuator (passenger side) is unlocked.
• BK UNLK: This item is indicated, but inactive.
• LOCK: All door lock actuator is locked.
ANTENNA
This test is able to check Intelligent Key antenna operation.
When the following condition are met, hazard warning lamps flash.
• ROOM ANT1: Center console area antenna (rear) and luggage area antenna detect Intelligent Key, when
“ROOM ANT1” is selected.
• ROOM ANT2: Center console area antenna (front) and overhead console area antenna detect Intelligent
Key, when “ROOM ANT2” is selected.
• LUG ANT: This selection is not used.
• DR ANT: Outside key antenna (driver side) detects Intelligent Key, when “DR ANT” is selected.
• AS ANT: Outside key antenna (passenger side) detects Intelligent Key, when “AS ANT” is selected.
• BK DR ANT: Outside key antenna (rear bumper) detects Intelligent Key, when “BK DR ANT” is selected.
OUTSIDE BUZZER
This test is able to check Intelligent Key warning buzzer operation.
• ON
• OFF
INSIDE BUZZER
This test is able to check warning chime in combination meter operation.
• TAKE OUT: Take away warning chime sounds.
• KNOB: Ignition knob switch warning chime sounds.
• KEY: Key warning chime sounds.
• OFF
DLK-58
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
U1000 CAN COMM CIRCUIT
COMPONENT DIAGNOSIS
U1000 CAN COMM CIRCUIT
Description
INFOID:0000000005146905
CAN (Controller Area Network) is a serial communication line for real time applications. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Modern
vehicle is equipped with many electronic control unit, and each control unit shares information and links with
other control units during operation (not independent). In CAN communication, control units are connected
with 2 communication lines (CAN H-line, CAN L-line) allowing a high rate of information transmission with less
wiring. Each control unit transmits/receives data but selectively reads required data only.
CAN Communication Signal Chart. Refer to
LAN-44, "CAN Communication Signal Chart"
DTC Logic
INFOID:0000000005146906
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000005146907
1.
PERFORM SELF DIAGNOSTIC
1. Turn ignition switch ON and wait for 2 second or more.
2. Check “Self Diagnostic Result”.
Is “CAN COMM CIRCUIT” displayed?
YES
LAN-14, "Trouble Diagnosis Flow Chart"
NO
GI-38, "Intermittent Incident"
.
DTC
CONSULT-III display
description
DTC Detection Condition
Possible cause
U1000
CAN COMM CIRCUIT
When BCM cannot communicate CAN com-
munication signal continuously for 2 sec-
onds or more.
In CAN communication system, any item (or items)
of the following listed below is malfunctioning.
• Transmission
• Receiving (ECM)
• Receiving (VDC/TCS/ABS)
• Receiving (METER/M&A)
• Receiving (TCM)
• Receiving (MULTI AV)
• Receiving (IPDM E/R)
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