Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Altima 2006-2009 Approved TB Nissan Altima 2008 PCS
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ELECTRICAL & POWER CONTROL
A
SECTION
POWER CONTROL SYSTEM
PCS B
C
D
E
CONTENTS
IPDM E/R Diagnosis Procedure ..............................................18
. F
FUNCTION DIAGNOSIS .............................. 3
. POWER SUPPLY AND GROUND CIRCUIT .... 19
Diagnosis Procedure ..............................................19
.
G
RELAY CONTROL SYSTEM ............................. 3
.
System Diagram ....................................................... 3
. ECU DIAGNOSIS ........................................ 20
.
System Description .................................................. 4
.
Component Parts Location ....................................... 5
.
IPDM E/R (INTELLIGENT POWER DISTRI- H
BUTION MODULE ENGINE ROOM) ................ 20
POWER CONTROL SYSTEM ............................ 6
. Reference Value .....................................................20.
System Diagram ....................................................... 6
. Wiring Diagram -- Coupe .......................................28 .
I
System Description .................................................. 6
. Wiring Diagram -- Sedan .......................................34 .
Fail Safe .................................................................39
.
SIGNAL BUFFER SYSTEM ............................... 7
. DTC Index ..............................................................41
.
System Diagram ....................................................... 7
. J
System Description .................................................. 7
. PRECAUTION ............................................. 42
.
POWER CONSUMPTION CONTROL SYS- PRECAUTIONS ................................................. 42
K
TEM .................................................................... 8
. Precaution for Supplemental Restraint System
System Diagram ....................................................... 8
. (SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
System Description .................................................. 8
. SIONER" ................................................................42
.
Component Parts Location ....................................... 9
. Precaution for Procedure without Cowl Top Cover 42 .... L
DIAGNOSIS SYSTEM (IPDM E/R) ....................10
. ON-VEHICLE REPAIR ................................ 43
.
Diagnosis Description ............................................ 10
. PCS
CONSULT - III Function (IPDM E/R) ...................... 13 . IPDM E/R (INTELLIGENT POWER DISTRI-
BUTION MODULE ENGINE ROOM) ................ 43
COMPONENT DIAGNOSIS ........................ 16
. Removal and Installation ........................................43
.
N
POWER DISTRIBUTION SYSTEM
U1000 CAN COMM CIRCUIT ............................16
.
Description ............................................................. 16
. BASIC INSPECTION .................................. 44
.
DTC Logic .............................................................. 16
. O
Diagnosis Procedure .............................................. 16. DIAGNOSIS AND REPAIR WORKFLOW ........ 44
Work Flow ...............................................................44
.
B2098 IGNITION RELAY ON STUCK ..............17
.
Description ............................................................. 17
. FUNCTION DIAGNOSIS ............................. 47
. P
DTC Logic .............................................................. 17
.
Diagnosis Procedure .............................................. 17. POWER DISTRIBUTION SYSTEM ................... 47
System Description .................................................47
.
B2099 IGNITION RELAY OFF STUCK .............18
. Component Parts Location .....................................48.
Description ............................................................. 18
. Component Description .........................................49
.
DTC Logic .............................................................. 18
.
DIAGNOSIS SYSTEM (BCM) ........................... 50
Revision: July 2007 PCS-1 2008 Altima
COMMON ITEM ....................................................... 50
. Diagnosis Procedure .............................................. 71
.
COMMON ITEM : Diagnosis Description ............... 50 .
COMMON ITEM : CONSULT-III Function ............. 50 . POWER SUPPLY AND GROUND CIRCUIT .... 74
.
INTELLIGENT KEY .................................................. 50
. BCM .......................................................................... 74
.
INTELLIGENT KEY : CONSULT-III Function BCM : Diagnosis Procedure ................................... 74 .
(BCM - INTELLIGENT KEY) .................................. 51. BCM : Special Repair Requirement ....................... 74 .
COMPONENT DIAGNOSIS ....................... 54
. IPDM E/R (INTELLIGENT POWER DISTRIBU-
TION MODULE ENGINE ROOM) ............................. 74 .
U1000 CAN COMM CIRCUIT ........................... 54
. IPDM E/R (INTELLIGENT POWER DISTRIBU-
Description ............................................................. 54
. TION MODULE ENGINE ROOM) : Diagnosis Pro-
DTC Logic .............................................................. 54
. cedure .................................................................... 74
.
Diagnosis Procedure ............................................. 54 .
PUSH-BUTTON IGNITION SWITCH POSI-
U1010 CONTROL UNIT (CAN) ........................ 55
. TION INDICATOR ............................................. 75
.
DTC Logic .............................................................. 55
. Description ............................................................. 75
.
Diagnosis Procedure ............................................. 55 . Component Function Check ................................. 75 .
Diagnosis Procedure .............................................. 75 .
B2553 IGNITION RELAY .................................. 56
. Component Inspection ........................................... 77 .
Description ............................................................. 56
.
DTC Logic .............................................................. 56
. ECU DIAGNOSIS ....................................... 78
Diagnosis Procedure ............................................. 56 .
BCM (BODY CONTROL MODULE) ................. 78
.
B260A IGNITION RELAY ................................. 58
. Reference Value .................................................... 78.
Description ............................................................. 58
. Terminal Layout ..................................................... 78
.
DTC Logic .............................................................. 58
. Physical Values ...................................................... 78
.
Diagnosis Procedure ............................................. 58 . Wiring Diagram ...................................................... 78
.
Fail Safe ................................................................ 78
.
B2611 ACC RELAY .......................................... 59
. DTC Inspection Priority Chart .............................. 78 .
Description ............................................................. 59
. DTC Index ............................................................. 78
.
DTC Logic .............................................................. 59
.
Diagnosis Procedure ............................................. 59 . IPDM E/R (INTELLIGENT POWER DISTRI-
BUTION MODULE ENGINE ROOM) ................ 79
.
B2614 ACC RELAY CIRCUIT .......................... 61
. Reference Value .................................................... 79.
Description ............................................................. 61
. Wiring Diagram -- Coupe ...................................... 80 .
DTC Logic .............................................................. 61
. Wiring Diagram -- Sedan ...................................... 86 .
Diagnosis Procedure ............................................. 61 . Fail Safe ................................................................ 91
.
Component Inspection (Accessory Relay) ............ 63 . DTC Index ............................................................. 91
.
B2615 BLOWER RELAY CIRCUIT .................. 64
. SYMPTOM DIAGNOSIS ............................ 92
Description ............................................................. 64
.
DTC Logic .............................................................. 64
. POWER DISTRIBUTION SYSTEM SYMP-
Diagnosis Procedure ............................................. 64 . TOMS ................................................................ 92
.
Component Inspection (Blower Relay) .................. 66 . Symptom Table ...................................................... 92
.
B2616 IGNITION RELAY CIRCUIT .................. 67
. ON-VEHICLE MAINTENANCE .................. 93
Description ............................................................. 67
.
DTC Logic .............................................................. 67
. PRE-INSPECTION FOR DIAGNOSTIC ........... 93
.
Diagnosis Procedure ............................................. 67 . Basic Inspection ..................................................... 93
.
Component Inspection (Ignition Relay) ................. 69 .
ON-VEHICLE REPAIR ............................... 94
B2618 BCM ....................................................... 70
.
Description ............................................................. 70
. BCM (BODY CONTROL MODULE) ................. 94
.
DTC Logic .............................................................. 70
. Removal and Installation ........................................ 94
.
Diagnosis Procedure ............................................. 70 .
PUSH BUTTON IGNITION SWITCH ................ 95
.
B261A PUSH-BUTTON IGNITION SWITCH .... 71
. Exploded View ....................................................... 95
.
Description ............................................................. 71
. Removal and Installation ........................................ 95
.
DTC Logic .............................................................. 71
.
Revision: July 2007 PCS-2 2008 Altima
RELAY CONTROL SYSTEM
< FUNCTION DIAGNOSIS > [IPDM E/R]
FUNCTION DIAGNOSIS A
RELAY CONTROL SYSTEM
System Diagram INFOID:0000000001342641
B
C
D
E
F
G
H
I
J
K
L
PCS
N
O
P
ALCIA0026GB
Revision: July 2007 PCS-3 2008 Altima
RELAY CONTROL SYSTEM
< FUNCTION DIAGNOSIS > [IPDM E/R]
System Description INFOID:0000000001342642
IPDM E/R activates the internal control circuit to perform the relay ON-OFF control according to the input sig-
nals from various sensors and the request signals received from control units via CAN communication.
CAUTION:
IPDM E/R integrated relays cannot be removed.
Reference
Control relay Input/output Transmit unit Control part
page
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