Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Infiniti EX35 2008 Approved files SEC
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BODY EXTERIOR, DOORS, ROOF & VEHICLE SECURITY
A
SECTION
SECURITY CONTROL SYSTEM
SEC B
C
D
E
CONTENTS
INTELLIGENT KEY SYSTEM INTELLIGENT KEY ...................................................26
. F
INTELLIGENT KEY : CONSULT-III Function
BASIC INSPECTION ................................... 5
. (BCM - INTELLIGENT KEY) ...................................26.
G
DIAGNOSIS AND REPAIR WORKFLOW ......... 5
. THEFT ALM ..............................................................30
.
Work Flow ................................................................ 5
. THEFT ALM : CONSULT-III Function (BCM -
THEFT) ...................................................................30
.
INSPECTION AND ADJUSTMENT .................... 8
. H
IMMU .........................................................................31
.
ECM RE-COMMUNICATING FUNCTION .................. 8 . IMMU : CONSULT-III Function (BCM - IMMU) .......31 .
ECM RE-COMMUNICATING FUNCTION : De-
scription .................................................................... 8
. COMPONENT DIAGNOSIS ........................ 32
. I
ECM RE-COMMUNICATING FUNCTION : Spe-
cial Repair Requirement ........................................... 8 . U1000 CAN COMM CIRCUIT ........................... 32
J
FUNCTION DIAGNOSIS .............................. 9
. BCM ..........................................................................32
.
BCM : Description ...................................................32 .
INTELLIGENT KEY SYSTEM/ENGINE BCM : DTC Logic ....................................................32 .
START FUNCTION ............................................ 9
. BCM : Diagnosis Procedure ...................................32 . SEC
System Diagram ....................................................... 9
. IPDM E/R ...................................................................32
.
System Description .................................................. 9
. IPDM E/R : Description ...........................................32 .
Component Parts Location ..................................... 12
. L
IPDM E/R : DTC Logic ............................................32 .
Component Description .......................................... 13
. IPDM E/R : Diagnosis Procedure ...........................33 .
INFINITI VEHICLE IMMOBILIZER SYSTEM- U1010 CONTROL UNIT (CAN) ......................... 34 M
NATS .................................................................15
.
System Diagram ..................................................... 15
. BCM ..........................................................................34
.
System Description ................................................ 15
. BCM : DTC Logic ....................................................34 .
Component Parts Location ..................................... 17
. BCM : Diagnosis Procedure ...................................34 . N
Component Description ......................................... 18
. BCM : Special Repair Requirement ........................34 .
VEHICLE SECURITY SYSTEM ........................20
. P1610 LOCK MODE ......................................... 35 O
System Diagram ..................................................... 20
. Description ..............................................................35
.
System Description ................................................ 20
. DTC Logic ...............................................................35
.
Component Parts Location ..................................... 22
. Diagnosis Procedure ..............................................35 .
Component Description .......................................... 23
. P
P1611 ID DISCORD, IMMU-ECM ..................... 36
DIAGNOSIS SYSTEM (BCM) ...........................25
. Description ..............................................................36
.
DTC Logic ...............................................................36
.
COMMON ITEM ........................................................ 25
. Diagnosis Procedure ..............................................36 .
COMMON ITEM : CONSULT-III Function (BCM -
COMMON ITEM) .................................................... 25
. P1612 CHAIN OF ECM-IMMU .......................... 37
Revision: 2007 November SEC-1 2008 EX35
Description ............................................................. 37
. Description ............................................................. 57
.
DTC Logic .............................................................. 37
. DTC Logic .............................................................. 57
.
Diagnosis Procedure ............................................. 37 . Diagnosis Procedure .............................................. 57 .
P1614 CHAIN OF IMMU-KEY .......................... 38
. B2601 SHIFT POSITION .................................. 58
.
Description ............................................................. 38
. Description ............................................................. 58
.
DTC Logic .............................................................. 38
. DTC Logic .............................................................. 58
.
Diagnosis Procedure ............................................. 38 . Diagnosis Procedure .............................................. 58 .
Component Inspection ........................................... 60 .
P1615 DIFFRENCE OF KEY ............................ 41
.
Description ............................................................. 41
. B2602 SHIFT POSITION .................................. 61
.
DTC Logic .............................................................. 41
. Description ............................................................. 61
.
Diagnosis Procedure ............................................. 41 . DTC Logic .............................................................. 61
.
Diagnosis Procedure .............................................. 61 .
B2190 NATS ANTENNA AMP. ........................ 42
.
Description ............................................................. 42
. B2603 SHIFT POSITION STATUS ................... 63
.
DTC Logic .............................................................. 42
. Description ............................................................. 63
.
Diagnosis Procedure ............................................. 42 . DTC Logic .............................................................. 63
.
Diagnosis Procedure .............................................. 63 .
B2191 DIFFERENCE OF KEY ......................... 45
.
Description ............................................................. 45
. B2604 PNP SWITCH ........................................ 66
.
DTC Logic .............................................................. 45
. Description ............................................................. 66
.
Diagnosis Procedure ............................................. 45 . DTC Logic .............................................................. 66
.
Diagnosis Procedure .............................................. 66 .
B2192 ID DISCORD, IMMU-ECM ..................... 46
.
Description ............................................................. 46
. B2605 PNP SWITCH ........................................ 68
.
DTC Logic .............................................................. 46
. Description ............................................................. 68
.
Diagnosis Procedure ............................................. 46 . DTC Logic .............................................................. 68
.
Diagnosis Procedure .............................................. 68 .
B2193 CHAIN OF ECM-IMMU .......................... 47
.
Description ............................................................. 47
. B2606 STEERING LOCK RELAY .................... 70
.
DTC Logic .............................................................. 47
. Description ............................................................. 70
.
Diagnosis Procedure ............................................. 47 . DTC Logic .............................................................. 70
.
Diagnosis Procedure .............................................. 70 .
B2013 ID DISCORD, IMMU-STRG ................... 48
.
Description ............................................................. 48
. B2607 STEERING LOCK RELAY .................... 71
.
DTC Logic .............................................................. 48
. Description ............................................................. 71
.
Diagnosis Procedure ............................................. 48 . DTC Logic .............................................................. 71
.
Diagnosis Procedure .............................................. 71 .
B2014 CHAIN OF STRG-IMMU ........................ 49
.
Description ............................................................. 49
. B2608 STARTER RELAY ................................ 73
.
DTC Logic .............................................................. 49
. Description ............................................................. 73
.
Diagnosis Procedure ............................................. 49 . DTC Logic .............................................................. 73
.
Diagnosis Procedure .............................................. 73 .
B2555 STOP LAMP .......................................... 52
.
Description ............................................................. 52
. B2609 STEERING STATUS ............................. 75
.
DTC Logic .............................................................. 52
. Description ............................................................. 75
.
Diagnosis Procedure ............................................. 52 . DTC Logic .............................................................. 75
.
Component Inspection ........................................... 53 . Diagnosis Procedure .............................................. 75 .
B2556 PUSH-BUTTON IGNITION SWITCH .... 54
. B260B STEERING LOCK UNIT ....................... 79
.
Description ............................................................. 54
. Description ............................................................. 79
.
DTC Logic .............................................................. 54
. DTC Logic .............................................................. 79
.
Diagnosis Procedure ............................................. 54 . Diagnosis Procedure .............................................. 79 .
Component Inspection ........................................... 55 .
B260C STEERING LOCK UNIT ....................... 80
.
B2557 VEHICLE SPEED .................................. 56
. Description ............................................................. 80
.
Description ............................................................. 56
. DTC Logic .............................................................. 80
.
DTC Logic .............................................................. 56
. Diagnosis Procedure .............................................. 80 .
Diagnosis Procedure ............................................. 56 .
B260D STEERING LOCK UNIT ....................... 81
.
B2560 STARTER CONTROL RELAY .............. 57
. Description ............................................................. 81
.
Revision: 2007 November SEC-2 2008 EX35
DTC Logic .............................................................. 81
. DTC Logic ...............................................................99
.
Diagnosis Procedure .............................................. 81
. Diagnosis Procedure ..............................................99 . A
B260F ENGINE STATUS ..................................82
. B210B STARTER CONTROL RELAY ............ 103
Description ............................................................. 82
. Description ............................................................ 103
.
DTC Logic .............................................................. 82
. DTC Logic ............................................................. 103
. B
Diagnosis Procedure .............................................. 82. Diagnosis Procedure ............................................ 103 .
B26E1 NO RECEPTION OF ENGINE STA- B210C STARTER CONTROL RELAY ............ 104 C
TUS SIGNAL .....................................................83
. Description ............................................................ 104
.
Description ............................................................. 83
. DTC Logic ............................................................. 104
.
DTC Logic .............................................................. 83
. Diagnosis Procedure ............................................ 104 .
D
Diagnosis Procedure .............................................. 83.
B210D STARTER RELAY .............................. 105
B26E9 STEERING STATUS .............................84
. Description ............................................................ 105
.
Description ............................................................. 84
. DTC Logic ............................................................. 105
. E
DTC Logic .............................................................. 84
. Diagnosis Procedure ............................................ 105 .
Diagnosis Procedure .............................................. 84.
B210E STARTER RELAY ............................... 106
B26EA KEY REGISTRATION ...........................85
. Description ............................................................ 106
. F
Description ............................................................. 85
. DTC Logic ............................................................. 106
.
DTC Logic .............................................................. 85
. Diagnosis Procedure ............................................ 106 .
Diagnosis Procedure .............................................. 85. G
B210F PNP/CLUTCH INTERLOCK SWITCH . 108
B2612 STEERING STATUS ..............................86
. Description ............................................................ 108
.
Description ............................................................. 86
. DTC Logic ............................................................. 108
.
H
DTC Logic .............................................................. 86
. Diagnosis Procedure ............................................ 108 .
Diagnosis Procedure .............................................. 86.
B2110 PNP/CLUTCH INTERLOCK SWITCH . 110
B2617 STARTER RELAY CIRCUIT ..................90
. Description ............................................................ 110
. I
Description ............................................................. 90
. DTC Logic ............................................................. 110
.
DTC Logic .............................................................. 90
. Diagnosis Procedure ............................................ 110 .
Diagnosis Procedure .............................................. 90. J
POWER SUPPLY AND GROUND CIRCUIT .. 112
B2619 BCM .......................................................92
.
BCM ........................................................................ 112
.
Description ............................................................. 92
.
BCM : Diagnosis Procedure ................................. 112 . SEC
DTC Logic .............................................................. 92
.
Diagnosis Procedure .............................................. 92. IPDM E/R ................................................................. 112
.
IPDM E/R : Diagnosis Procedure ......................... 112 .
B261A PUSH-BUTTON IGNITION SWITCH ....93 L
Description ............................................................. 93
. HOOD SWITCH ............................................... 114
DTC Logic .............................................................. 93
. Description ............................................................ 114
.
Diagnosis Procedure .............................................. 93. Component Function Check ............................... 114 .
M
Diagnosis Procedure ........................................... 114 .
B261E VEHICLE TYPE .....................................96
.
Component Inspection .......................................... 115 .
Description ............................................................. 96
.
DTC Logic .............................................................. 96
. HEADLAMP .................................................... 116 N
Diagnosis Procedure .............................................. 96. Description ............................................................ 116
.
Component Function Check ............................... 116 .
B2108 STEERING LOCK RELAY .....................97
.
Diagnosis Procedure ........................................... 116 . O
Description ............................................................. 97
.
DTC Logic .............................................................. 97
. VEHICLE SECURITY INDICATOR ................. 117
Diagnosis Procedure .............................................. 97. Description ............................................................ 117
.
Component Function Check ............................... 117 . P
B2109 STEERING LOCK RELAY .....................98
.
Diagnosis Procedure ............................................ 117 .
Description ............................................................. 98
.
DTC Logic .............................................................. 98
. KEY WARNING LAMP .................................... 118
Diagnosis Procedure .............................................. 98. Description ............................................................ 118
.
Component Function Check ............................... 118 .
B210A STEERING LOCK CONDITION
Diagnosis Procedure ............................................ 118 .
SWITCH .............................................................99
.
Description ............................................................. 99
.
Revision: 2007 November SEC-3 2008 EX35
INTELLIGENT KEY SYSTEM/ENGINE INTELLIGENT KEY ................................................ 196
.
START FUNCTION ......................................... 119
. INTELLIGENT KEY : Description ......................... 196 .
Wiring Diagram - INTELLIGENT KEY SYSTEM/ INTELLIGENT KEY : Diagnosis Procedure ......... 196 .
ENGINE START FUNCTION - .............................119
.
DOOR REQUEST SWITCH .................................... 196 .
INFINITI VEHICLE IMMOBILIZER SYSTEM- DOOR REQUEST SWITCH : Description ............ 196 .
NATS ............................................................... 128
. DOOR REQUEST SWITCH : Diagnosis Proce-
Wiring Diagram - IVIS - .........................................128
. dure ...................................................................... 196
.
VEHICLE SECURITY SYSTEM ...................... 135
. DOOR KEY CYLINDER ......................................... 197
.
Wiring Diagram - VEHICLE SECURITY SYSTEM DOOR KEY CYLINDER : Description .................. 197 .
- ............................................................................135
. DOOR KEY CYLINDER : Diagnosis Procedure .. 197 .
VEHICLE SECURITY ALARM DOES NOT
ECU DIAGNOSIS ...................................... 141
.
ACTIVATE ....................................................... 198
.
BCM (BODY CONTROL MODULE) ............... 141
. Description ........................................................... 198
.
Reference Value ...................................................141 . Diagnosis Procedure ............................................ 198 .
Wiring Diagram - BCM - .......................................165 .
Fail-safe ................................................................171
.
VEHICLE SECURITY SYSTEM CAN NOT
DTC Inspection Priority Chart ............................173 . CANCELED ..................................................... 199
.
DTC Index ............................................................175
. INTELLIGENT KEY ................................................ 199
.
IPDM E/R (INTELLIGENT POWER DISTRI- INTELLIGENT KEY : Description ......................... 199 .
INTELLIGENT KEY : Diagnosis Procedure ......... 199 .
BUTION MODULE ENGINE ROOM) .............. 177
.
Reference Value ...................................................177 . DOOR REQUEST SWITCH .................................... 199 .
Wiring Diagram - IPDM E/R - ................................184 . DOOR REQUEST SWITCH : Description ............ 199 .
Fail-safe ................................................................187
. DOOR REQUEST SWITCH : Diagnosis Proce-
DTC Index ............................................................189
. dure ...................................................................... 199
.
SYMPTOM DIAGNOSIS ........................... 190
. DOOR KEY CYLINDER ......................................... 199
.
DOOR KEY CYLINDER : Description .................. 200 .
SECURITY CONTROL SYSTEM .................... 190
. DOOR KEY CYLINDER : Diagnosis Procedure .. 200 .
Symptom Table ....................................................190
.
KEY SLOT INDICATOR DOES NOT ILLUMI-
ENGINE DOES NOT START WITH INTELLI- NATE ............................................................... 201
.
GENT KEY ...................................................... 192
. Description ........................................................... 201
.
Description ............................................................192
. Diagnosis Procedure ............................................ 201 .
Diagnosis Procedure ............................................192 .
PRECAUTION ........................................... 202
STEERING DOES NOT LOCK ....................... 193
.
Description ............................................................193
. PRECAUTIONS ............................................... 202
.
Diagnosis Procedure ............................................193 . Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
ENGINE DOES NOT START WHEN INTELLI- SIONER" .............................................................. 202
.
GENT KEY IS INSERTED INTO KEY SLOT .. 194
. Precaution for Procedure without Cowl Top Cover. 202
Description ............................................................194
. Precaution Necessary for Steering Wheel Rota-
Diagnosis Procedure ............................................194 . tion after Battery Disconnect ................................ 202 .
SECURITY INDICATOR DOES NOT TURN ON-VEHICLE REPAIR .............................. 204
ON ................................................................... 195
.
Description ............................................................195
. KEY SLOT ....................................................... 204
.
Diagnosis Procedure ............................................195 . Exploded View ..................................................... 204
.
Removal and Installation ...................................... 204
.
VEHICLE SECURITY SYSTEM CAN NOT BE
SET ................................................................. 196
. PUSH BUTTON IGNITION SWITCH ............... 205
.
Removal and Installation ...................................... 205
.
Revision: 2007 November SEC-4 2008 EX35
DIAGNOSIS AND REPAIR WORKFLOW
< BASIC INSPECTION > [INTELLIGENT KEY SYSTEM]
BASIC INSPECTION A
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow INFOID:0000000003586659
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OVERALL SEQUENCE
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DETAILED FLOW
Revision: 2007 November SEC-5 2008 EX35
DIAGNOSIS AND REPAIR WORKFLOW
< BASIC INSPECTION > [INTELLIGENT KEY SYSTEM]
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 BCM and IPDM E/R.
2. Perform the following procedure if DTC is detected.
- Record DTC and freeze frame data (Print them out with CONSULT-III.)
- 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 detected>>GO TO 3.
Symptom is described, DTC is not detected>>GO TO 4.
Symptom is not described, DTC is detected>>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 detected DTC, and then check that DTC is detected again.
At this time, always connect CONSULT-III to the vehicle, and check diagnostic results in real time.
If two or more DTCs are detected, refer to SEC-173, "DTC Inspection Priority Chart", and determine trouble
diagnosis order.
NOTE:
Perform Component Function Check if DTC Confirmation Procedure is not included in Service Manual. This
simplified check procedure is an effective alternative though DTC cannot be detected during this check.
If the result of Component Function Check is NG, it is the same as the detection of DTC by DTC Confirmation
Procedure.
Is DTC detected?
YES >> GO TO 7.
NO >> Refer to GI-38, "Intermittent Incident".
6.DETECT MALFUNCTIONING SYSTEM BY SYMPTOM TABLE
Detect malfunctioning system according to SEC-190, "Symptom Table" based on the confirmed symptom in
step 4, and determine the trouble diagnosis order based on possible causes and symptom.
>> GO TO 7.
7.DETECT MALFUNCTIONING PART BY DIAGNOSTIC PROCEDURE
Inspect according to Diagnostic Procedure of the system.
NOTE:
The Diagnostic Procedure described based on open circuit inspection. A short circuit inspection is also
required for the circuit check in the Diagnostic Procedure.
Revision: 2007 November SEC-6 2008 EX35
DIAGNOSIS AND REPAIR WORKFLOW
< BASIC INSPECTION > [INTELLIGENT KEY SYSTEM]
Is malfunctioning part detected?
YES >> GO TO 8. A
NO >> Check voltage of related BCM terminals using CONSULT-III.
8.REPAIR OR REPLACE THE MALFUNCTIONING PART
B
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 detected, erase it. C
>> GO TO 9.
D
9.FINAL CHECK
When DTC was detected in step 2, perform DTC Confirmation Procedure or Component Function Check
again, and then check that the malfunction has been repaired securely. E
When symptom was described from the customer, refer to confirmed symptom in step 3 or 4, and check that
the symptom is not detected.
Does the symptom reappear? F
YES (DTC is detected)>>GO TO 7.
YES (Symptom remains)>>GO TO 6.
NO >> INSPECTION END
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Revision: 2007 November SEC-7 2008 EX35
INSPECTION AND ADJUSTMENT
< BASIC INSPECTION > [INTELLIGENT KEY SYSTEM]
INSPECTION AND ADJUSTMENT
ECM RE-COMMUNICATING FUNCTION
ECM RE-COMMUNICATING FUNCTION : Description INFOID:0000000003586660
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 a virgin ECM which has never been energized on-board.
(In this step, initialization procedure by CONSULT-III is not necessary)
NOTE:
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