
ELECTRICAL & POWER CONTROL
A
SECTION
POWER CONTROL SYSTEM
PCS B
C
D
E
CONTENTS
IPDM E/R IPDM E/R (INTELLIGENT POWER DISTRI- F
BUTION MODULE ENGINE ROOM) ................ 20
BASIC INSPECTION ................................... 3
. Reference Value .....................................................20.
Terminal Layout ......................................................22
. G
DIAGNOSIS AND REPAIR WORKFLOW ......... 3
. Physical Values ......................................................22
.
Work Flow ................................................................ 3
.
Wiring Diagram .......................................................26
.
FUNCTION DIAGNOSIS .............................. 6
. Fail Safe .................................................................29
. H
DTC Index ..............................................................31
.
RELAY CONTROL SYSTEM ............................. 6
.
System Diagram ....................................................... 6
. PRECAUTION ............................................. 32
.
I
System Description .................................................. 7
. PRECAUTIONS ................................................. 32
Component Parts Location ....................................... 8
.
Precaution for Supplemental Restraint System
POWER CONTROL SYSTEM ............................ 9
. (SRS) "AIR BAG" and "SEAT BELT PRE-TEN- J
System Diagram ....................................................... 9
. SIONER" ................................................................32
.
System Description .................................................. 9
.
REMOVAL AND INSTALLATION .............. 33
.
SIGNAL BUFFER SYSTEM ..............................10
. K
IPDM E/R (INTELLIGENT POWER DISTRI-
System Diagram ..................................................... 10
.
System Description ................................................ 10
.
BUTION MODULE ENGINE ROOM) ................ 33
Removal and Installation of IPDM E/R ...................33
. L
POWER CONSUMPTION CONTROL SYS- POWER DISTRIBUTION SYSTEM
TEM ...................................................................11
.
System Diagram ..................................................... 11
. BASIC INSPECTION .................................. 34
.
PCS
System Description ................................................ 11
.
DIAGNOSIS AND REPAIR WORKFLOW ........ 34
Component Parts Location ..................................... 12
.
Work Flow ...............................................................34
.
DIAGNOSIS SYSTEM (IPDM E/R) ....................13
. N
Diagnosis Description ............................................ 13
.
FUNCTION DIAGNOSIS ............................. 37
.
CONSULT - III Function (IPDM E/R) ...................... 15 . POWER DISTRIBUTION SYSTEM ................... 37
System Description .................................................37
. O
COMPONENT DIAGNOSIS ........................ 18
.
Component Parts Location .....................................37.
U1000 CAN COMM CIRCUIT ............................18
. Component Description .........................................37
.
Description ............................................................. 18
. P
DIAGNOSIS SYSTEM (BCM) ........................... 38
DTC Logic .............................................................. 18
.
Diagnosis Procedure .............................................. 18. COMMON ITEM ........................................................38
.
COMMON ITEM : CONSULT-III Function (BCM -
POWER SUPPLY AND GROUND CIRCUIT .....19
. COMMON ITEM) ....................................................38
.
Diagnosis Procedure .............................................. 19
.
INTELLIGENT KEY ...................................................38
.
ECU DIAGNOSIS ........................................ 20
.
Revision: October 2008 PCS-1 2009 Armada
INTELLIGENT KEY : CONSULT-III Function Physical Values ...................................................... 46
.
(BCM - INTELLIGENT KEY) .................................. 39
. Wiring Diagram ...................................................... 52
.
Fail Safe ................................................................ 56
.
COMPONENT DIAGNOSIS ....................... 40
. DTC Inspection Priority Chart .............................. 57 .
DTC Index ............................................................. 57
.
U1000 CAN COMM CIRCUIT ........................... 40
.
Description ............................................................. 40
. IPDM E/R (INTELLIGENT POWER DISTRI-
DTC Logic .............................................................. 40
. BUTION MODULE ENGINE ROOM) ................ 59
.
Diagnosis Procedure ............................................. 40 . Reference Value .................................................... 59.
Terminal Layout ..................................................... 61
.
POWER SUPPLY AND GROUND CIRCUIT .... 41
.
Physical Values ...................................................... 61
.
BCM .......................................................................... 41
. Wiring Diagram ...................................................... 65
.
BCM : Diagnosis Procedure .................................. 41 . Fail Safe ................................................................ 68
.
DTC Index ............................................................. 70
.
IPDM E/R (INTELLIGENT POWER DISTRIBU-
TION MODULE ENGINE ROOM) ............................ 41 . ON-VEHICLE MAINTENANCE .................. 71
IPDM E/R (INTELLIGENT POWER DISTRIBU-
TION MODULE ENGINE ROOM) : Diagnosis Pro- PRE-INSPECTION FOR DIAGNOSTIC ........... 71
.
cedure .................................................................... 42
. Basic Inspection ..................................................... 71
.
ECU DIAGNOSIS ....................................... 43
. ON-VEHICLE REPAIR ............................... 72
BCM (BODY CONTROL MODULE) ................. 43
. BCM (BODY CONTROL MODULE) ................. 72
.
Reference Value .................................................... 43
. Removal and Installation ........................................ 72
.
Terminal Layout ..................................................... 46
.
Revision: October 2008 PCS-2 2009 Armada
DIAGNOSIS AND REPAIR WORKFLOW
< BASIC INSPECTION > [IPDM E/R]
BASIC INSPECTION A
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow INFOID:0000000004187570
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 Armada
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.
- 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-31, "DTC Index" and determine trouble diagnosis order.
NOTE: