Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Maxima 2006-2009 Approved Nissan Maxima 2009 PCS
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ELECTRICAL & POWER CONTROL
A
SECTION
POWER CONTROL SYSTEM
PCS B
C
D
E
CONTENTS
IPDM E/R B2099 IGNITION RELAY OFF STUCK ............ 20 F
Description ..............................................................20
.
BASIC INSPECTION ................................... 3
. DTC Logic ...............................................................20
.
Diagnosis Procedure ..............................................20 . G
DIAGNOSIS AND REPAIR WORKFLOW ......... 3
.
Work Flow ................................................................ 3
. POWER SUPPLY AND GROUND CIRCUIT .... 21
Diagnosis Procedure ..............................................21
.
FUNCTION DIAGNOSIS .............................. 6
. H
ECU DIAGNOSIS ........................................ 22
.
RELAY CONTROL SYSTEM ............................. 6
.
System Diagram ....................................................... 6
. IPDM E/R (INTELLIGENT POWER DISTRI- I
System Description .................................................. 7
. BUTION MODULE ENGINE ROOM) ................ 22
Component Parts Location ....................................... 8
. Reference Value .....................................................22.
Wiring Diagram .......................................................30
.
POWER CONTROL SYSTEM ............................ 9
. Fail Safe .................................................................35
. J
System Diagram ....................................................... 9
.
DTC Index ..............................................................37
.
System Description .................................................. 9
.
PRECAUTION ............................................. 38
. K
SIGNAL BUFFER SYSTEM ..............................10
.
System Diagram ..................................................... 10
. PRECAUTIONS ................................................. 38
System Description ................................................ 10
. Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- L
POWER CONSUMPTION CONTROL SYS-
SIONER" ................................................................38
.
TEM ...................................................................11
. Precautions Necessary for Steering Wheel Rota-
System Diagram ..................................................... 11
. tion after Battery Disconnect ..................................38 . PCS
System Description ................................................ 11
.
Precaution for Procedure without Cowl Top Cover 39 ....
Component Parts Location ..................................... 12
.
ON-VEHICLE REPAIR ................................ 40
.
DIAGNOSIS SYSTEM (IPDM E/R) ....................13
. N
Diagnosis Description ............................................ 13
. IPDM E/R (INTELLIGENT POWER DISTRI-
CONSULT - III Function (IPDM E/R) ...................... 15 . BUTION MODULE ENGINE ROOM) ................ 40
Removal and Installation ........................................40
. O
COMPONENT DIAGNOSIS ........................ 18
.
POWER DISTRIBUTION SYSTEM
U1000 CAN COMM CIRCUIT ............................18
.
Description ............................................................. 18
. BASIC INSPECTION .................................. 41
. P
DTC Logic .............................................................. 18
.
DIAGNOSIS AND REPAIR WORKFLOW ........ 41
Diagnosis Procedure .............................................. 18.
Work Flow ...............................................................41
.
B2098 IGNITION RELAY ON STUCK ..............19
.
Description ............................................................. 19
.
FUNCTION DIAGNOSIS ............................. 44
.
DTC Logic .............................................................. 19
. POWER DISTRIBUTION SYSTEM ................... 44
Diagnosis Procedure .............................................. 19.
Revision: October 2008 PCS-1 2009 Maxima
System Description ................................................ 44
. B261A PUSH-BUTTON IGNITION SWITCH .... 68
.
Component Parts Location .................................... 45. Description ............................................................. 68
.
Component Description ........................................ 46
. DTC Logic .............................................................. 68
.
Diagnosis Procedure .............................................. 68 .
DIAGNOSIS SYSTEM (BCM) ........................... 47
.
POWER SUPPLY AND GROUND CIRCUIT .... 71
.
COMMON ITEM ....................................................... 47
.
COMMON ITEM : Diagnosis Description ............... 47 . BCM .......................................................................... 71
.
COMMON ITEM : CONSULT-III Function ............. 47 . BCM : Diagnosis Procedure ................................... 71 .
BCM : Special Repair Requirement ....................... 72 .
INTELLIGENT KEY .................................................. 47
.
INTELLIGENT KEY : CONSULT-III Function IPDM E/R (INTELLIGENT POWER DISTRIBU-
(BCM - INTELLIGENT KEY) .................................. 48. TION MODULE ENGINE ROOM) ............................. 72 .
IPDM E/R (INTELLIGENT POWER DISTRIBU-
COMPONENT DIAGNOSIS ....................... 52
. TION MODULE ENGINE ROOM) : Diagnosis Pro-
cedure .................................................................... 72
.
U1000 CAN COMM CIRCUIT ........................... 52
.
Description ............................................................. 52
. PUSH-BUTTON IGNITION SWITCH POSI-
DTC Logic .............................................................. 52
. TION INDICATOR ............................................. 73
.
Diagnosis Procedure ............................................. 52 . Description ............................................................. 73
.
U1010 CONTROL UNIT (CAN) ........................ 53
. Component Function Check ................................. 73 .
Diagnosis Procedure .............................................. 73 .
DTC Logic .............................................................. 53
.
Component Inspection ........................................... 75 .
Diagnosis Procedure ............................................. 53 .
B2553 IGNITION RELAY .................................. 54
. ECU DIAGNOSIS ....................................... 76
Description ............................................................. 54
. BCM (BODY CONTROL MODULE) ................. 76
.
DTC Logic .............................................................. 54
.
Reference Value .................................................... 76.
Diagnosis Procedure ............................................. 54 .
Terminal Layout ..................................................... 81
.
B260A IGNITION RELAY ................................. 56
. Physical Values ...................................................... 81
.
Description ............................................................. 56
. Wiring Diagram .................................................... 100.
DTC Logic .............................................................. 56
. Fail Safe .............................................................. 108
.
Diagnosis Procedure ............................................. 56 . DTC Inspection Priority Chart ............................ 110 .
DTC Index ........................................................... 111
.
B2614 ACC RELAY CIRCUIT .......................... 58
.
Description ............................................................. 58
. IPDM E/R (INTELLIGENT POWER DISTRI-
DTC Logic .............................................................. 58
. BUTION MODULE ENGINE ROOM) ............... 114
.
Diagnosis Procedure ............................................. 58 . Reference Value .................................................. 114 .
Component Inspection (Accessory Relay) ............ 60 . Wiring Diagram .................................................... 122.
Fail Safe .............................................................. 128
.
B2615 FRONT BLOWER MOTOR RELAY DTC Index ........................................................... 130
.
CIRCUIT ............................................................ 61
.
Description ............................................................. 61
. SYMPTOM DIAGNOSIS ........................... 131
DTC Logic .............................................................. 61.
POWER DISTRIBUTION SYSTEM SYMP-
Diagnosis Procedure ............................................. 61 .
Component Inspection (Front Blower Motor Re-
TOMS ............................................................... 131
.
lay) ......................................................................... 63
. Symptom Table .................................................... 131
.
B2616 IGNITION RELAY CIRCUIT .................. 64
. ON-VEHICLE MAINTENANCE ................. 132
Description ............................................................. 64
. PRE-INSPECTION FOR DIAGNOSTIC .......... 132
.
DTC Logic .............................................................. 64
.
Basic Inspection ................................................... 132
.
Diagnosis Procedure ............................................. 64 .
Component Inspection (Ignition Relay) ................. 66 . ON-VEHICLE REPAIR .............................. 133
B2618 BCM ....................................................... 67
. BCM (BODY CONTROL MODULE) ................ 133
.
Description ............................................................. 67
. Removal and Installation ...................................... 133
.
DTC Logic .............................................................. 67
.
Diagnosis Procedure ............................................. 67 . PUSH BUTTON IGNITION SWITCH ............... 134
.
Removal and Installation ...................................... 134
.
Revision: October 2008 PCS-2 2009 Maxima
DIAGNOSIS AND REPAIR WORKFLOW
< BASIC INSPECTION > [IPDM E/R]
BASIC INSPECTION A
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow INFOID:0000000004364393
B
OVERALL SEQUENCE
C
D
E
F
G
H
I
J
K
L
PCS
N
O
P
JMKIA0101GB
DETAILED FLOW
Revision: October 2008 PCS-3 2009 Maxima
DIAGNOSIS AND REPAIR WORKFLOW
< BASIC INSPECTION > [IPDM E/R]
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.
2. Perform the following procedure if DTC is displayed.
- 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 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 relationship 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 relationship 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.
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 PCS-110, "DTC Inspection Priority Chart" and determine trouble
diagnosis order.
NOTE:
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