Nissan Pathfinder (2008 year). Manual — part 546
SEC-1
BODY EXTERIOR, DOORS, ROOF & VEHICLE SECURITY
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CONTENTS
SECURITY CONTROL SYSTEM
WITH INTELLIGENT KEY SYSTEM
BASIC INSPECTION . . . . . . . . .
DIAGNOSIS AND REPAIR WORKFLOW . . ..
Work Flow . . . . . . . . . . . . . . . .....
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 . . . . . . . . . . ....
FUNCTION DIAGNOSIS . . . . . . . ...
INTELLIGENT KEY SYSTEM/ENGINE
START FUNCTION . . . . . . . . . . . .
System Diagram . . . . . . . . . . . . . ....
System Description . . . . . . . . . . . . ...
Component Parts Location . . . . . . . . . ..
Component 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) . . . . . . . . . . . . . . ...
DIAGNOSIS SYSTEM (INTELLIGENT KEY
UNIT) . . . . . . . . . . . . . . . . .
CONSULT-III Function (INTELLIGENT KEY) . . ..
COMPONENT DIAGNOSIS . . . . . . .
U1000 CAN COMM CIRCUIT . . . . . . ...
Description . . . . . . . . . . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ...
U1010 CONTROL UNIT (CAN) . . . . . . .
Description . . . . . . . . . . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ...
Special Repair Requirement . . . . . . . . .
B2013 ID DISCORD I-KEY-STRG . . . . .
Description . . . . . . . . . . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ...
B2190, P1614 NATS ANTENNA AMP. . . .
Description . . . . . . . . . . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ...
B2191, P1615 DIFFERENCE OF KEY . . . .
Description . . . . . . . . . . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . .
SEC-2
B2192, P1611 ID DISCORD, IMMU-ECM . . .
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
B2193, P1612 CHAIN OF ECM-IMMU . . . ..
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
B2194 ID DISCORD IMMU-I-KEY . . . . . .
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
B2552 INTELLIGENT KEY . . . . . . . .
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
Special Repair Requirement . . . . . . . . ...
B2590 ID DISCORD BCM-I-KEY . . . . . ...
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
P1610 LOCK MODE . . . . . . . . . . ..
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
POWER SUPPLY AND GROUND CIRCUIT . .
INTELLIGENT KEY UNIT . . . . . . . . . . .
INTELLIGENT KEY UNIT : Diagnosis Procedure ...
BCM . . . . . . . . . . . . . . . . . . ...
BCM : Diagnosis Procedure . . . . . . . . ...
KEY CYLINDER SWITCH . . . . . . . . .
Description . . . . . . . . . . . . . . . ..
Component Function Check . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
GLASS HATCH AJAR SWITCH . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
IGNITION KNOB SWITCH . . . . . . . . .
Ignition Knob Switch Check . . . . . . . . ....
HORN FUNCTION . . . . . . . . . . . .
Symptom Table . . . . . . . . . . . . . ..
VEHICLE SECURITY INDICATOR . . . . .
Description . . . . . . . . . . . . . . . ..
Component Function Check . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ..
ECU DIAGNOSIS . . . . . . . . . .
BCM (BODY CONTROL MODULE) . . . . ..
Reference Value . . . . . . . . . . . . . .
Wiring Diagram - VEHICLE SECURITY SYSTEM ...
Wiring Diagram - NVIS . . . . . . . . . . .
Fail Safe . . . . . . . . . . . . . . . . .
DTC Inspection Priority Chart . . . . . . . ...
DTC Index . . . . . . . . . . . . . . . ..
INTELLIGENT KEY UNIT . . . . . . . . ..
Reference Value . . . . . . . . . . . . . .
Wiring Diagram - INTELLIGENT KEY SYSTEM/
ENGINE START FUNCTION - . . . . . . . .
Fail Safe . . . . . . . . . . . . . . . . .
DTC Inspection Priority Chart . . . . . . . ...
DTC Index . . . . . . . . . . . . . . . ..
IPDM E/R (INTELLIGENT POWER DISTRI-
BUTION MODULE ENGINE ROOM) . . . . .
Reference Value . . . . . . . . . . . . . .
Fail Safe . . . . . . . . . . . . . . . . .
DTC Index . . . . . . . . . . . . . . . ..
SYMPTOM DIAGNOSIS . . . . . . .
INTELLIGENT KEY SYSTEM/ENGINE
START FUNCTION SYMPTOMS . . . . . ..
Symptom Table . . . . . . . . . . . . . ...
VEHICLE SECURITY SYSTEM SYMPTOMS ...
Symptom Table . . . . . . . . . . . . . ...
NISSAN VEHICLE IMMOBILIZER SYSTEM-
NATS SYMPTOMS . . . . . . . . . . .
Symptom Table . . . . . . . . . . . . . ...
ON-VEHICLE MAINTENANCE . . . . ..
PRE-INSPECTION FOR DIAGNOSTIC . . .
Basic Inspection . . . . . . . . . . . . . ..
Vehicle Security Operation Check . . . . . . ..
ON-VEHICLE REPAIR . . . . . . . ...
INTELLIGENT KEY UNIT . . . . . . . . ..
Removal and Installation . . . . . . . . . . .
REMOVAL AND INSTALLATION . . . ..
NATS ANTENNA AMP. . . . . . . . . . .
Removal and Installation . . . . . . . . . . .
INTELLIGENT KEY UNIT . . . . . . . . ..
Removal and Installation . . . . . . . . . . .
REMOTE KEYLESS ENTRY RECEIVER . . .
Removal . . . . . . . . . . . . . . . . ..
Installation . . . . . . . . . . . . . . . ...
WITHOUT INTELLIGENT KEY SYSTEM
BASIC INSPECTION . . . . . . . . ..
DIAGNOSIS AND REPAIR WORKFLOW . . .
SEC-3
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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 . . . . . . . . . .
FUNCTION DIAGNOSIS . . . . . . .
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) . . . . . . . . . . . . . . .
COMPONENT 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 . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
HORN FUNCTION . . . . . . . . . . ...
Symptom Table . . . . . . . . . . . . . .
VEHICLE SECURITY INDICATOR . . . . .
Description . . . . . . . . . . . . . . . .
Component Function Check . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
ECU DIAGNOSIS . . . . . . . . . ...
BCM (BODY CONTROL MODULE) . . . ...
Reference Value . . . . . . . . . . . . .
Wiring Diagram - VEHICLE SECURITY SYSTEM ..
Wiring Diagram - NVIS - . . . . . . . . . .
DTC Inspection Priority Chart . . . . . . . .
DTC Index . . . . . . . . . . . . . . . .
IPDM E/R (INTELLIGENT POWER DISTRI-
BUTION MODULE ENGINE ROOM) . . . ..
Reference Value . . . . . . . . . . . . .
Fail Safe . . . . . . . . . . . . . . . .
DTC Index . . . . . . . . . . . . . . . .
SYMPTOM DIAGNOSIS . . . . . . .
VEHICLE SECURITY SYSTEM SYMPTOMS .
Symptom Table . . . . . . . . . . . . . .
NISSAN VEHICLE IMMOBILIZER SYSTEM-
NATS SYMPTOMS . . . . . . . . . . .
SEC-4
ON-VEHICLE MAINTENANCE . . . . ..
PRE-INSPECTION FOR DIAGNOSTIC . . ...
Basic Inspection . . . . . . . . . . . . .
ON-VEHICLE REPAIR . . . . . . . ...
VEHICLE SECURITY SYSTEM . . . . . ...
Removal and Installation . . . . . . . . . ...
REMOVAL AND INSTALLATION . . . .
NATS ANTENNA AMP. . . . . . . . . .
Removal and Installation . . . . . . . . . ...
REMOTE KEYLESS ENTRY RECEIVER . .
Removal . . . . . . . . . . . . . . . .
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:0000000001689505
OVERALL SEQUENCE
DETAILED FLOW
ALKIA0538GB
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-70, "DTC Inspection Priority Chart"
(Intelligent Key unit),
SEC-70, "DTC Inspection Priority Chart"
(BCM) and determine trouble diagnosis order.
Is DTC detected?
YES
>> GO TO 8.
NO
>> Refer to
GI-51, "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.
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
SEC-8
< 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:0000000001689506
Refer to the CONSULT-III Operation Manual-NATS.
ECM RE-COMMUNICATING FUNCTION
ECM RE-COMMUNICATING FUNCTION : Description
INFOID:0000000001689507
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 Manual 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:0000000001689508
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 Manual NATS.
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