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ELECTRICAL & POWER CONTROL
A
SECTION
POWER CONTROL SYSTEM
PCS B
C
D
E
CONTENTS
IPDM E/R Diagnosis Procedure ..............................................17
. F
FUNCTION DIAGNOSIS .............................. 3
. POWER SUPPLY AND GROUND CIRCUIT .... 18
Diagnosis Procedure ..............................................18
.
G
RELAY CONTROL SYSTEM ............................. 3
.
System Diagram ....................................................... 3
. ECU DIAGNOSIS ........................................ 19
.
System Description .................................................. 4
.
Component Parts Location ....................................... 4
.
IPDM E/R (INTELLIGENT POWER DISTRI- H
BUTION MODULE ENGINE ROOM) ................ 19
POWER CONTROL SYSTEM ............................ 6
. Reference Value .....................................................19.
System Diagram ....................................................... 6
. Terminal Layout ......................................................20
.
I
System Description .................................................. 6
. Physical Values ......................................................20
.
Wiring Diagram .......................................................25
.
SIGNAL BUFFER SYSTEM ............................... 7
. Fail Safe .................................................................30
.
System Diagram ....................................................... 7
. DTC Index ..............................................................32
. J
System Description .................................................. 7
.
PRECAUTION ............................................. 33
.
POWER CONSUMPTION CONTROL SYS-
K
TEM .................................................................... 8
. PRECAUTIONS ................................................. 33
System Diagram ....................................................... 8
. Precaution for Supplemental Restraint System
System Description .................................................. 8
. (SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
Component Parts Location ....................................... 9
. SIONER" ................................................................33
. L
Precautions For High-Voltage System ...................33 .
DIAGNOSIS SYSTEM (IPDM E/R) ....................10
. Precaution for Procedure without Cowl Top Cover 33 ....
Diagnosis Description ............................................ 10
. PCS
CONSULT - III Function (IPDM E/R) ...................... 13 . ON-VEHICLE REPAIR ................................ 34
.
COMPONENT DIAGNOSIS ........................ 15
. IPDM E/R (INTELLIGENT POWER DISTRI-
BUTION MODULE ENGINE ROOM) ................ 34 N
U1000 CAN COMM CIRCUIT ............................15
. Removal and Installation ........................................34
.
Description ............................................................. 15
. POWER DISTRIBUTION SYSTEM
DTC Logic .............................................................. 15
. O
Diagnosis Procedure .............................................. 15. BASIC INSPECTION .................................. 35
.
B2098 IGNITION RELAY ON STUCK ..............16
. DIAGNOSIS AND REPAIR WORKFLOW ........ 35
Description ............................................................. 16
. Work Flow ...............................................................35
. P
DTC Logic .............................................................. 16
.
Diagnosis Procedure .............................................. 16. FUNCTION DIAGNOSIS ............................. 38
.
B2099 IGNITION RELAY OFF STUCK .............17
. POWER DISTRIBUTION SYSTEM ................... 38
Description ............................................................. 17
. System Description .................................................38
.
DTC Logic .............................................................. 17
. Component Parts Location .....................................39.
Revision: August 2007 PCS-1 2008 Altima Hybrid
Component Description ........................................ 40
. B261A PUSH-BUTTON IGNITION SWITCH .... 62
.
Description ............................................................. 62
.
DIAGNOSIS SYSTEM (BCM) ........................... 41
. DTC Logic .............................................................. 62
.
COMMON ITEM ....................................................... 41
. Diagnosis Procedure .............................................. 62 .
COMMON ITEM : Diagnosis Description ............... 41 . POWER SUPPLY AND GROUND CIRCUIT .... 65
.
COMMON ITEM : CONSULT-III Function ............. 41 .
BCM .......................................................................... 65
.
INTELLIGENT KEY .................................................. 41
.
BCM : Diagnosis Procedure ................................... 65 .
INTELLIGENT KEY : CONSULT-III Function
BCM : Special Repair Requirement ....................... 65 .
(BCM - INTELLIGENT KEY) .................................. 42.
IPDM E/R (INTELLIGENT POWER DISTRIBU-
COMPONENT DIAGNOSIS ....................... 45
. TION MODULE ENGINE ROOM) ............................. 65 .
IPDM E/R (INTELLIGENT POWER DISTRIBU-
U1000 CAN COMM CIRCUIT ........................... 45
.
TION MODULE ENGINE ROOM) : Diagnosis Pro-
Description ............................................................. 45
.
cedure .................................................................... 65
.
DTC Logic .............................................................. 45
.
Diagnosis Procedure ............................................. 45 . PUSH-BUTTON IGNITION SWITCH POSI-
U1010 CONTROL UNIT (CAN) ........................ 46
. TION INDICATOR ............................................. 67
.
DTC Logic .............................................................. 46
. Description ............................................................. 67
.
Component Function Check ................................. 67 .
Diagnosis Procedure ............................................. 46 .
Diagnosis Procedure .............................................. 67 .
B2553 IGNITION RELAY .................................. 47
. Component Inspection ........................................... 69 .
Description ............................................................. 47
.
DTC Logic .............................................................. 47
. ECU DIAGNOSIS ....................................... 70
Diagnosis Procedure ............................................. 47 . BCM (BODY CONTROL MODULE) ................. 70
.
B260A IGNITION RELAY ................................. 49
. Reference Value .................................................... 70.
Description ............................................................. 49
. Terminal Layout ..................................................... 74
.
DTC Logic .............................................................. 49
. Physical Values ...................................................... 75
.
Diagnosis Procedure ............................................. 49 . Wiring Diagram ...................................................... 93
.
Fail Safe .............................................................. 101
.
B2611 ACC RELAY .......................................... 50
. DTC Inspection Priority Chart ............................ 103 .
Description ............................................................. 50
. DTC Index ........................................................... 105
.
DTC Logic .............................................................. 50
.
Diagnosis Procedure ............................................. 50 . IPDM E/R (INTELLIGENT POWER DISTRI-
BUTION MODULE ENGINE ROOM) ............... 108
.
B2614 ACC RELAY CIRCUIT .......................... 52
. Reference Value .................................................. 108 .
Description ............................................................. 52
. Terminal Layout ................................................... 109.
DTC Logic .............................................................. 52
. Physical Values .................................................... 109
.
Diagnosis Procedure ............................................. 52 . Wiring Diagram .................................................... 114.
Component Inspection (Accessory Relay) ............ 53 . Fail Safe .............................................................. 119
.
DTC Index ........................................................... 121
.
B2615 BLOWER RELAY CIRCUIT .................. 55
.
Description ............................................................. 55
. SYMPTOM DIAGNOSIS ........................... 122
DTC Logic .............................................................. 55
.
Diagnosis Procedure ............................................. 55 . POWER DISTRIBUTION SYSTEM SYMP-
Component Inspection (Blower Relay) .................. 56 . TOMS ............................................................... 122
.
Symptom Table .................................................... 122
.
B2616 IGNITION RELAY CIRCUIT .................. 58
.
Description ............................................................. 58
. ON-VEHICLE MAINTENANCE ................. 123
DTC Logic .............................................................. 58
.
Diagnosis Procedure ............................................. 58 . PRE-INSPECTION FOR DIAGNOSTIC .......... 123
.
Component Inspection (Ignition Relay) ................. 59 . Basic Inspection ................................................... 123
.
B2618 BCM ....................................................... 61
. ON-VEHICLE REPAIR .............................. 124
Description ............................................................. 61
.
DTC Logic .............................................................. 61
.
BCM (BODY CONTROL MODULE) ................ 124
.
Removal and Installation ...................................... 124
.
Diagnosis Procedure ............................................. 61 .
Revision: August 2007 PCS-2 2008 Altima Hybrid
RELAY CONTROL SYSTEM
< FUNCTION DIAGNOSIS > [IPDM E/R]
FUNCTION DIAGNOSIS A
RELAY CONTROL SYSTEM
System Diagram INFOID:0000000003071944
B
C
D
E
F
G
H
I
J
K
L
PCS
N
O
P
ALMIA0100GB
Revision: August 2007 PCS-3 2008 Altima Hybrid
RELAY CONTROL SYSTEM
< FUNCTION DIAGNOSIS > [IPDM E/R]
System Description INFOID:0000000003071945
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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