Infiniti QX56 (Z62). Manual — part 1153
SEC-2
WIRING DIAGRAM . . . . . . . . . .
SECURITY CONTROL SYSTEM . . . . . ...
Wiring Diagram . . . . . . . . . . . . . ...
BASIC INSPECTION . . . . . . . . ...
DIAGNOSIS AND REPAIR WORK FLOW . .
Work Flow . . . . . . . . . . . . . . . ...
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT . . . . . . . . . . . .
ECM . . . . . . . . . . . . . . . . . . ...
ECM : Description . . . . . . . . . . . . ...
ECM : Work Procedure . . . . . . . . . . ...
BCM . . . . . . . . . . . . . . . . . . ...
BCM : Description . . . . . . . . . . . . ...
BCM : Work Procedure . . . . . . . . . . ...
DTC/CIRCUIT DIAGNOSIS . . . . . . .
P1610 LOCK MODE . . . . . . . . . . ..
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
P1611 ID DISCORD, IMMU-ECM . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
P1612 CHAIN OF ECM-IMMU . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
P1614 CHAIN OF IMMU-KEY . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
B2192 ID DISCORD, IMMU-ECM . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
B2193 CHAIN OF ECM-IMMU . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
B2195 ANTI-SCANNING . . . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
B2196 DONGLE UNIT . . . . . . . . . ...
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
B2198 NATS ANTENNA AMP. . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
B2013 STEERING LOCK UNIT . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
B2014 CHAIN OF STRG-IMMU . . . . . .
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
B2555 STOP LAMP . . . . . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
Component Inspection . . . . . . . . . . .
B2556 PUSH-BUTTON IGNITION SWITCH . .
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
Component Inspection . . . . . . . . . . .
B2557 VEHICLE SPEED . . . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
B2601 SHIFT POSITION . . . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
Component Inspection . . . . . . . . . . .
B2602 SHIFT POSITION . . . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
Component Inspection . . . . . . . . . . .
B2603 SHIFT POSITION . . . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
Component Inspection . . . . . . . . . . .
B2604 SHIFT POSITION . . . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
B2605 SHIFT POSITION . . . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
B2608 STARTER RELAY . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
B2609 STEERING STATUS . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
B260B STEERING LOCK UNIT . . . . . .
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
B260C STEERING LOCK UNIT . . . . . .
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
B260D STEERING LOCK UNIT . . . . . ...
DTC Logic . . . . . . . . . . . . . . . .
SEC-3
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B260F ENGINE STATUS . . . . . . . . .
Description . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
B2612 STEERING STATUS . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
B2619 BCM . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
B26E9 STEERING STATUS . . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
B26EF STEERING LOCK RELAY . . . . ...
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
B26F0 STEERING LOCK RELAY . . . . ...
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
B26F3 STARTER CONTROL RELAY . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
B26F4 STARTER CONTROL RELAY . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
B26F5 STEERING LOCK STATUS SWITCH ..
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
B26F7 BCM . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
B26F8 BCM . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
B26F9 CRANKING REQUEST CIRCUIT . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
B26FA CRANKING REQUEST CIRCUIT . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
B26FC KEY REGISTRATION . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
B209F CRANKING REQUEST CIRCUIT . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
B20A0 CRANKING REQUEST CIRCUIT . ...
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
B2108 STEERING LOCK RELAY . . . . ..
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
B2109 STEERING LOCK RELAY . . . . ..
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
B210A STEERING LOCK UNIT . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
B210B STARTER CONTROL RELAY . . .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
B210C STARTER CONTROL RELAY . . .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
B210D STARTER RELAY . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
B210E STARTER RELAY . . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
B210F SHIFT POSITION/CLUTCH INTER-
LOCK SWITCH . . . . . . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
B2110 SHIFT POSITION/CLUTCH INTER-
LOCK SWITCH . . . . . . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
HEADLAMP FUNCTION . . . . . . . . .
Component Function Check . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
HOOD SWITCH . . . . . . . . . . . ...
Component Function Check . . . . . . . .
Diagnosis Procedure . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
HORN FUNCTION . . . . . . . . . . ...
Component Function Check . . . . . . . .
Diagnosis Procedure . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
SECURITY INDICATOR LAMP . . . . . ..
Component Function Check . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
SEC-4
ENGINE DOES NOT START WHEN INTELLI-
GENT KEY IS INSIDE OF VEHICLE . . . ...
Description . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
STEERING DOES NOT LOCK . . . . . .
Description . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
SECURITY INDICATOR LAMP DOES NOT
TURN ON OR BLINK . . . . . . . . . ...
Description . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
VEHICLE SECURITY SYSTEM CANNOT BE
SET . . . . . . . . . . . . . . . . ..
INTELLIGENT KEY . . . . . . . . . . . . ..
INTELLIGENT KEY : Description . . . . . . ..
INTELLIGENT KEY : Diagnosis Procedure . . ...
DOOR REQUEST SWITCH . . . . . . . . . .
DOOR REQUEST SWITCH : Description . . . .
DOOR REQUEST SWITCH : Diagnosis Proce-
dure . . . . . . . . . . . . . . . . . ...
DOOR KEY CYLINDER . . . . . . . . . . ..
DOOR KEY CYLINDER : Description . . . . ...
DOOR KEY CYLINDER : Diagnosis Procedure ...
VEHICLE SECURITY ALARM DOES NOT
ACTIVATE . . . . . . . . . . . . . .
Description . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
PANIC ALARM FUNCTION DOES NOT OP-
ERATE . . . . . . . . . . . . . . . ..
Description . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
REMOVAL AND INSTALLATION . . . .
NATS ANTENNA AMP. . . . . . . . . .
Removal and Installation . . . . . . . . . ...
PUSH-BUTTON IGNITION SWITCH . . . .
Exploded View . . . . . . . . . . . . . ..
PRECAUTIONS
SEC-5
< PRECAUTION >
[WITH INTELLIGENT KEY SYSTEM]
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PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000006226148
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the “SRS AIR BAG” and “SEAT BELT” of this
Service Manual.
WARNING:
• To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in
the event of a collision that would result in air bag inflation, all maintenance must be performed by
an authorized NISSAN/INFINITI dealer.
• Improper maintenance, including incorrect removal and installation of the SRS, can lead to personal
injury caused by unintentional activation of the system. For removal of Spiral Cable and Air Bag
Module, see the “SRS AIR BAG”.
• Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or har-
ness connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
• When working near the Air Bag Diagnosis Sensor Unit or other Air Bag System sensors with the
ignition ON or engine running, DO NOT use air or electric power tools or strike near the sensor(s)
with a hammer. Heavy vibration could activate the sensor(s) and deploy the air bag(s), possibly
causing serious injury.
• When using air or electric power tools or hammers, always switch the ignition OFF, disconnect the
battery, and wait at least 3 minutes before performing any service.
Precaution Necessary for Steering Wheel Rotation after Battery Disconnect
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NOTE:
• Before removing and installing any control units, first turn the push-button ignition switch to the LOCK posi-
tion, then disconnect both battery cables.
• After finishing work, confirm that all control unit connectors are connected properly, then re-connect both
battery cables.
• Always use CONSULT-III to perform self-diagnosis as a part of each function inspection after finishing work.
If a DTC is detected, perform trouble diagnosis according to self-diagnosis results.
For vehicle with steering lock unit, if the battery is disconnected or discharged, the steering wheel will lock and
cannot be turned.
If turning the steering wheel is required with the battery disconnected or discharged, follow the operation pro-
cedure below before starting the repair operation.
OPERATION PROCEDURE
1.
Connect both battery cables.
NOTE:
Supply power using jumper cables if battery is discharged.
2.
Turn the push-button ignition switch to ACC position.
(At this time, the steering lock will be released.)
3.
Disconnect both battery cables. The steering lock will remain released with both battery cables discon-
nected and the steering wheel can be turned.
4.
Perform the necessary repair operation.
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