Nissan Pathfinder (2011 year). Instruction — part 537
SEC-3
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REMOVAL AND INSTALLATION . . . .
NATS ANTENNA AMP. . . . . . . . . .
Removal and Installation . . . . . . . . . ...
INTELLIGENT KEY UNIT . . . . . . . . .
Removal and Installation . . . . . . . . . ...
REMOTE KEYLESS ENTRY RECEIVER . .
Removal and Installation . . . . . . . . . ...
WITHOUT INTELLIGENT KEY SYSTEM
BASIC INSPECTION . . . . . . . . .
DIAGNOSIS AND REPAIR WORKFLOW . ...
Work Flow . . . . . . . . . . . . . . . .
PRE-INSPECTION FOR DIAGNOSTIC . . ...
Basic Inspection . . . . . . . . . . . . .
INSPECTION AND ADJUSTMENT . . . . ..
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT . . . . . . . . . . . . . ..
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Special Repair Requirement ...
ECM RE-COMMUNICATING FUNCTION . . . ...
ECM RE-COMMUNICATING FUNCTION : De-
scription . . . . . . . . . . . . . . . . .
ECM RE-COMMUNICATING FUNCTION : Spe-
cial Repair Requirement . . . . . . . . . .
SYSTEM DESCRIPTION . . . . . . ...
NVIS (NISSAN VEHICLE IMMOBILIZER SYS-
TEM-NATS) . . . . . . . . . . . . . ..
System Diagram . . . . . . . . . . . . .
System Description . . . . . . . . . . . ...
Component Parts Location . . . . . . . . .
Component Description . . . . . . . . . .
VEHICLE SECURITY SYSTEM . . . . . ...
System Diagram . . . . . . . . . . . . .
System Description . . . . . . . . . . . ...
Component Parts Location . . . . . . . . .
Component Description . . . . . . . . . . .
DIAGNOSIS SYSTEM (BCM) . . . . . . ..
COMMON ITEM . . . . . . . . . . . . . ...
COMMON ITEM : CONSULT-III Function (BCM -
COMMON ITEM) . . . . . . . . . . . . ...
IMMU . . . . . . . . . . . . . . . . . .
IMMU : CONSULT-III Function (BCM - IMMU) . .
THEFT ALM . . . . . . . . . . . . . . . .
THEFT ALM : CONSULT-III Function (BCM -
THEFT ALM) . . . . . . . . . . . . . . .
DTC/CIRCUIT DIAGNOSIS . . . . . ...
U1000 CAN COMM CIRCUIT . . . . . . .
Description . . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
U1010 CONTROL UNIT (CAN) . . . . . ...
Description . . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Special Repair Requirement . . . . . . . . ..
B2190, P1614 NATS ANTENNA AMP. . . ..
Description . . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
B2191, P1615 DIFFERENCE OF KEY . . ...
Description . . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
B2192, P1611 ID DISCORD, IMMU-ECM . ...
Description . . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
B2193, P1612 CHAIN OF ECM-IMMU . . .
Description . . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
P1610 LOCK MODE . . . . . . . . . ...
Description . . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
POWER SUPPLY AND GROUND CIRCUIT ..
BCM . . . . . . . . . . . . . . . . . . .
BCM : Diagnosis Procedure . . . . . . . . ..
KEY CYLINDER SWITCH . . . . . . . ...
Description . . . . . . . . . . . . . . . .
Component Function Check . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
GLASS HATCH AJAR SWITCH . . . . . .
Description . . . . . . . . . . . . . . . .
Component Function Check . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
HORN FUNCTION . . . . . . . . . . ...
Symptom Table . . . . . . . . . . . . . .
VEHICLE SECURITY INDICATOR . . . . .
Description . . . . . . . . . . . . . . . .
Component Function Check . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
ECU DIAGNOSIS INFORMATION . . .
BCM (BODY CONTROL MODULE) . . . ...
2011 Pathfinder
SEC-4
Reference Value . . . . . . . . . . . . .
Terminal Layout . . . . . . . . . . . . . .
Physical Values . . . . . . . . . . . . . .
Fail Safe . . . . . . . . . . . . . . . .
DTC Inspection Priority Chart . . . . . . . .
DTC Index . . . . . . . . . . . . . . . .
IPDM E/R (INTELLIGENT POWER DISTRI-
BUTION MODULE ENGINE ROOM) . . . ...
Reference Value . . . . . . . . . . . . .
Terminal Layout . . . . . . . . . . . . . .
Physical Values . . . . . . . . . . . . . .
Fail Safe . . . . . . . . . . . . . . . .
DTC Index . . . . . . . . . . . . . . . .
WIRING DIAGRAM . . . . . . . . .
VEHICLE SECURITY SYSTEM . . . . . ...
Wiring Diagram . . . . . . . . . . . . . ..
NVIS . . . . . . . . . . . . . . . . .
Wiring Diagram - Without Intelligent Key System ..
SYMPTOM DIAGNOSIS . . . . . . ...
VEHICLE SECURITY SYSTEM SYMPTOMS ..
Symptom Table . . . . . . . . . . . . . .
NISSAN VEHICLE IMMOBILIZER SYSTEM-
NATS SYMPTOMS . . . . . . . . . . ...
Symptom Table . . . . . . . . . . . . . .
PRECAUTION . . . . . . . . . . ...
PRECAUTIONS . . . . . . . . . . . .
REMOVAL AND INSTALLATION . . . .
NATS ANTENNA AMP. . . . . . . . . .
Removal and Installation . . . . . . . . . ...
REMOTE KEYLESS ENTRY RECEIVER . .
Removal and Installation . . . . . . . . . ...
2011 Pathfinder
DIAGNOSIS AND REPAIR WORKFLOW
SEC-5
< BASIC INSPECTION >
[WITH INTELLIGENT KEY SYSTEM]
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BASIC INSPECTION
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
INFOID:0000000006246189
OVERALL SEQUENCE
DETAILED FLOW
ALKIA0538GB
2011 Pathfinder
SEC-6
< BASIC INSPECTION >
[WITH INTELLIGENT KEY SYSTEM]
DIAGNOSIS AND REPAIR WORKFLOW
1.
GET INFORMATION FOR SYMPTOM
Get the detailed information from the customer about the symptom (the condition and the environment when
the incident/malfunction occurred).
>> GO TO 2
2.
CHECK DTC
1. Check DTC for Intelligent Key unit and BCM.
2. Perform the following procedure if DTC is displayed.
-
Erase DTC.
-
Study the relationship between the cause detected by DTC and the symptom described by the customer.
3. Check related service bulletins for information.
Is any symptom described and any DTC detected?
Symptom is described, DTC is displayed>>GO TO 3
Symptom is described, DTC is not displayed>>GO TO 4
Symptom is not described, DTC is displayed>>GO TO 5
3.
CONFIRM THE SYMPTOM
Confirm the symptom described by the customer.
Connect CONSULT-III to the vehicle in “DATA MONITOR” mode and check real-time diagnosis results.
Verify relation between the symptom and the condition when the symptom is detected.
>> GO TO 5
4.
CONFIRM THE SYMPTOM
Confirm the symptom described by the customer.
Connect CONSULT-III to the vehicle in “DATA MONITOR ” mode and check real-time diagnosis results.
Verify relation between the symptom and the condition when the symptom is detected.
>> GO TO 6
5.
PERFORM DTC CONFIRMATION PROCEDURE
Perform DTC Confirmation Procedure for the displayed DTC, and then check that DTC is detected again.
If two or more DTCs are detected, refer to
SEC-69, "DTC Inspection Priority Chart"
(Intelligent Key unit),
BCS-45, "DTC Inspection Priority Chart"
(BCM) and determine trouble diagnosis order.
Is DTC detected?
YES
>> GO TO 8
NO
>> Refer to
GI-37, "Intermittent Incident"
.
6.
PERFORM BASIC INSPECTION
Perform Basic Inspection. Refer to
.
>> GO TO 7
7.
DETECT MALFUNCTIONING SYSTEM BY SYMPTOM TABLE
Detect malfunctioning system according to Symptom Table based on the confirmed symptom in step 4.
>> GO TO 8
8.
DETECT MALFUNCTIONING PART BY DIAGNOSTIC PROCEDURE
Inspect according to Diagnostic Procedure of the system.
NOTE:
The Diagnostic Procedure is described based on open circuit inspection. A short circuit inspection is also
required for the circuit check in the Diagnostic Procedure.
>> GO TO 9
2011 Pathfinder
DIAGNOSIS AND REPAIR WORKFLOW
SEC-7
< BASIC INSPECTION >
[WITH INTELLIGENT KEY SYSTEM]
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9.
REPAIR OR REPLACE THE MALFUNCTIONING PART
1. Repair or replace the malfunctioning part.
2. Reconnect parts or connectors disconnected during Diagnostic Procedure again after repair and replace-
ment.
3. Check DTC. If DTC is displayed, erase it.
>> GO TO 10
10.
FINAL CHECK
When DTC was detected in step 9, perform DTC Confirmation Procedure or Component Function Check
again, and then check that the malfunctions have been fully repaired.
When symptom was described by the customer, refer to the confirmed symptom in step 3 or 4, and check that
the symptom is not detected.
Does the symptom reappear?
YES (DTC is detected)>>GO TO 8
YES (Symptom remains)>>GO TO 6
NO
>> Inspection End.
2011 Pathfinder
SEC-8
< BASIC INSPECTION >
[WITH INTELLIGENT KEY SYSTEM]
PRE-INSPECTION FOR DIAGNOSTIC
PRE-INSPECTION FOR DIAGNOSTIC
Basic Inspection
INFOID:0000000006246190
The engine start function, door lock function, power distribution system and NATS-IVIS/NVIS in the Intelligent
Key system are closely related to each other regarding control. Narrow down the functional area in question
by performing basic inspection to identify which function is malfunctioning. The vehicle security function can
operate only when the door lock and power distribution system are operating normally. Therefore, it is easy to
identify any factor unique to the vehicle security system by performing the vehicle security operation check
after basic inspection.
1.
CHECK DOOR LOCK OPERATION
Check the door lock for normal operation with the Intelligent Key controller and door request switch.
Successful door lock operation with the Intelligent Key and request SW indicates that the remote keyless entry
receiver and inside key antenna required for engine start are functioning normally.
Identify the malfunctioning point by referring to the DLK section if the door cannot be unlocked.
Can the door be locked with the Intelligent Key and door request switch?
YES
>> GO TO 2
NO
>> Refer to
2.
CHECK ENGINE STARTING
Check that the engine starts when operating the Intelligent Key.
Does the engine start?
YES
>> GO TO 3
NO
>> Refer to
.
3.
CHECK STEERING LOCK
Does the steering lock when operating door switch after switching the power supply from ON position (or ACC
position) to LOCK position?
If door switch is malfunctioning, BCM cannot lock the steering. If BCM does not detect DTC, steering lock unit
is normal.
Does steering lock?
YES
>> GO TO 4
NO
>> Refer to
.
4.
CHECK IGNITION KNOB SWITCH OPERATION
Press ignition knob to check switch operation.
Does the combination meter display any message?
YES
>> GO TO 5
NO
>> Refer to
SEC-50, "Ignition Knob Switch Check"
.
5.
CHECK VEHICLE SECURITY SYSTEM
Check the vehicle security system for normal operation.
The vehicle security function can operate only when the door lock and power distribution functions are operat-
ing normally.
Therefore, it is easy to identify any factor unique to the vehicle security by performing the vehicle security
operation check after this basic inspection.
>> Refer to
SEC-8, "Vehicle Security Operation Check"
.
Vehicle Security Operation Check
INFOID:0000000006246191
1.
INSPECTION START
Turn ignition switch “OFF”.
NOTE:
Before starting operation check, open front windows.
>> GO TO 2
2011 Pathfinder
PRE-INSPECTION FOR DIAGNOSTIC
SEC-9
< BASIC INSPECTION >
[WITH INTELLIGENT KEY SYSTEM]
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2.
CHECK SECURITY INDICATOR LAMP
1. Lock doors using Intelligent Key or mechanical key.
2. Check that security indicator lamp illuminates for 30 seconds.
Does security indicator lamp illuminate?
YES
>> GO TO 3
NO
>> Perform diagnosis and repair. Refer to
.
3.
CHECK ALARM FUNCTION
1. After 30 seconds, security indicator lamp will start to blink.
2. Open any door before unlocking with Intelligent Key or mechanical key, or open back door or glass hatch
without the presence of Intelligent Key.
Does the alarm function properly?
YES
>> GO TO 4
NO
>> Check the following.
• The vehicle security system does not phase in alarm mode. Refer to
.
• Alarm (horn and headlamps) does not operate. Refer to
4.
CHECK ALARM CANCEL OPERATION
Unlock any door using Intelligent Key or mechanical key.
Does alarm (horn and headlamps) stop?
YES
>> Inspection End.
NO
>> Check door lock function. Refer to
2011 Pathfinder
SEC-10
< BASIC INSPECTION >
[WITH INTELLIGENT KEY SYSTEM]
INSPECTION AND ADJUSTMENT
INSPECTION AND ADJUSTMENT
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Re-
quirement
INFOID:0000000006246192
Refer to the CONSULT-III Operation Instruction-NATS.
ECM RE-COMMUNICATING FUNCTION
ECM RE-COMMUNICATING FUNCTION : Description
INFOID:0000000006246193
Performing following procedure can automatically perform re-communication of ECM and BCM, but only when
the ECM has been replaced with a new one (*1).
*1: New one means an ECM which has never been energized on-board.
(In this step, initialization procedure by CONSULT-III is not necessary)
NOTE:
•
When registering new Key IDs or replacing the ECM that is not brand new, refer to CONSULT-III Oper-
ation Instruction NATS.
•
If multiple keys are attached to the key holder, separate them before work.
•
Distinguish keys with unregistered key ID from those with registered ID.
ECM RE-COMMUNICATING FUNCTION : Special Repair Requirement
INFOID:0000000006246194
1.
PERFORM ECM RE-COMMUNICATING FUNCTION
1. Install ECM.
2. Using a registered key (*2), turn ignition switch to “ON”.
*2: To perform this step, use the key that has been used before performing ECM replacement.
3. Maintain ignition switch in “ON” position for at least 5 seconds.
4. Turn ignition switch to “OFF”.
5. Start engine.
Can engine be started?
YES
>> Procedure is completed.
NO
>> Initialize control unit. Refer to CONSULT-III Operation Instruction.
2011 Pathfinder
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