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ELECTRICAL & POWER CONTROL
A
SECTION
POWER CONTROL SYSTEM
PCS B
C
D
E
CONTENTS
IPDM E/R Description ..............................................................18
. F
DTC Logic ...............................................................18
.
FUNCTION DIAGNOSIS .............................. 4
. Diagnosis Procedure ..............................................18 .
G
RELAY CONTROL SYSTEM ............................. 4
. POWER SUPPLY AND GROUND CIRCUIT .... 19
System Diagram ....................................................... 4
. Diagnosis Procedure ..............................................19
.
System Description .................................................. 4
.
Component Parts Location ....................................... 6
. ECU DIAGNOSIS ........................................ 20
. H
POWER CONTROL SYSTEM ............................ 7
. IPDM E/R (INTELLIGENT POWER DISTRI-
System Diagram ....................................................... 7
. BUTION MODULE ENGINE ROOM) ................ 20 I
System Description .................................................. 7
. Reference Value .....................................................20 .
Component Parts Location ....................................... 7
. Wiring Diagram - IPDM E/R - .................................27 .
Fail-safe ..................................................................30
.
SIGNAL BUFFER SYSTEM ............................... 8
. DTC Index ..............................................................32
. J
System Diagram ....................................................... 8
.
System Description .................................................. 8
. PRECAUTION ............................................. 33
.
Component Parts Location ....................................... 8
. K
PRECAUTIONS ................................................. 33
POWER CONSUMPTION CONTROL SYS- Precaution for Procedure without Cowl Top Cover 33
....
TEM .................................................................... 9
.
System Diagram ....................................................... 9
. ON-VEHICLE REPAIR ................................ 34
. L
System Description .................................................. 9
.
IPDM E/R (INTELLIGENT POWER DISTRI-
Component Parts Location ..................................... 10
.
BUTION MODULE ENGINE ROOM) ................ 34 PCS
DIAGNOSIS SYSTEM (IPDM E/R) ....................11
. Exploded View ........................................................34
.
Diagnosis Description ............................................ 11
. Removal and Installation ........................................34
.
CONSULT-III Function (IPDM E/R) ........................ 13 . POWER DISTRIBUTION SYSTEM
N
COMPONENT DIAGNOSIS ........................ 16
. BASIC INSPECTION .................................. 36
.
U1000 CAN COMM CIRCUIT ............................16
. DIAGNOSIS AND REPAIR WORKFLOW ........ 36 O
Description ............................................................. 16
. Work Flow ...............................................................36
.
DTC Logic .............................................................. 16
.
Diagnosis Procedure .............................................. 16. FUNCTION DIAGNOSIS ............................. 39
.
P
B2098 IGNITION RELAY ON STUCK ..............17
. POWER DISTRIBUTION SYSTEM ................... 39
Description ............................................................. 17
. System Description .................................................39
.
DTC Logic .............................................................. 17
. Component Parts Location .....................................41.
Diagnosis Procedure .............................................. 17. Component Description .........................................41
.
B2099 IGNITION RELAY OFF STUCK .............18
. DIAGNOSIS SYSTEM (BCM) ........................... 42
Revision: 2007 November PCS-1 2008 EX35
COMMON ITEM ....................................................... 42
. Diagnosis Procedure .............................................. 62
.
COMMON ITEM : CONSULT-III Function (BCM -
COMMON ITEM) ................................................... 42
. POWER SUPPLY AND GROUND CIRCUIT .... 64
.
INTELLIGENT KEY .................................................. 43
. BCM .......................................................................... 64
.
INTELLIGENT KEY : CONSULT-III Function BCM : Diagnosis Procedure ................................... 64 .
(BCM - INTELLIGENT KEY) .................................. 43.
PUSH-BUTTON IGNITION SWITCH ................ 65
.
COMPONENT DIAGNOSIS ....................... 47
. Description ............................................................. 65
.
Component Function Check ................................. 65 .
U1000 CAN COMM CIRCUIT ........................... 47
. Diagnosis Procedure .............................................. 65 .
Description ............................................................. 47
. Component Inspection ........................................... 66 .
DTC Logic .............................................................. 47
.
Diagnosis Procedure ............................................. 47 . PUSH-BUTTON IGNITION SWITCH POSI-
TION INDICATOR ............................................. 67
.
U1010 CONTROL UNIT (CAN) ........................ 48
. Description ............................................................. 67
.
DTC Logic .............................................................. 48
. Component Function Check ................................. 67 .
Diagnosis Procedure ............................................. 48 . Diagnosis Procedure .............................................. 67 .
Special Repair Requirement .................................. 48 . Component Inspection ........................................... 68 .
B2553 IGNITION RELAY .................................. 49
. POWER DISTRIBUTION SYSTEM .................. 69
.
Description ............................................................. 49
. Wiring Diagram - PDS (POWER DISTRIBUTION
DTC Logic .............................................................. 49
. SYSTEM) - ............................................................. 69
.
Diagnosis Procedure ............................................. 49 .
ECU DIAGNOSIS ....................................... 75
B260A IGNITION RELAY ................................. 51
.
Description ............................................................. 51
. BCM (BODY CONTROL MODULE) ................. 75
.
DTC Logic .............................................................. 51
. Reference Value .................................................... 75 .
Diagnosis Procedure ............................................. 51 . Wiring Diagram - BCM - ......................................... 99 .
Fail-safe ............................................................... 105
.
B2614 ACC RELAY .......................................... 53
. DTC Inspection Priority Chart ............................ 107 .
Description ............................................................. 53
. DTC Index ........................................................... 109
.
DTC Logic .............................................................. 53
.
Diagnosis Procedure ............................................. 53 . IPDM E/R (INTELLIGENT POWER DISTRI-
Component Inspection ........................................... 54 . BUTION MODULE ENGINE ROOM) ............... 111
.
Reference Value .................................................. 111 .
B2614 ACC RELAY .......................................... 55
. Wiring Diagram - IPDM E/R - ............................... 118 .
Description ............................................................. 55
. Fail-safe ............................................................... 121
.
DTC Logic .............................................................. 55
. DTC Index ........................................................... 123
.
Diagnosis Procedure ............................................. 55 .
Component Inspection ........................................... 56 . PRECAUTION ........................................... 124
B2615 BLOWER RELAY CIRCUIT .................. 57
. PRECAUTIONS ............................................... 124
.
Description ............................................................. 57
. Precaution for Supplemental Restraint System
DTC Logic .............................................................. 57
. (SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
Diagnosis Procedure ............................................. 57 . SIONER" .............................................................. 124
.
Component Inspection ........................................... 58 . Precaution Necessary for Steering Wheel Rota-
tion after Battery Disconnect ................................ 124 .
B2616 IGNITION RELAY CIRCUIT .................. 59
. Precaution for Procedure without Cowl Top Cover. 125
Description ............................................................. 59
.
DTC Logic .............................................................. 59
. SYMPTOM DIAGNOSIS ........................... 126
Diagnosis Procedure ............................................. 59 .
Component Inspection ........................................... 60 . POWER DISTRIBUTION SYSTEM ................. 126
.
Symptom Table .................................................... 126
.
B2618 BCM ....................................................... 61
.
Description ............................................................. 61
. PUSH-BUTTON IGNITION SWITCH DOES
DTC Logic .............................................................. 61
. NOT OPERATE ............................................... 128
.
Diagnosis Procedure ............................................. 61 . Description ........................................................... 128
.
Diagnosis Procedure ............................................ 128 .
B261A PUSH-BUTTON IGNITION SWITCH .... 62
.
Description ............................................................. 62
. PUSH-BUTTON IGNITION SWITCH POSI-
DTC Logic .............................................................. 62
. TION INDICATOR DOES NOT ILLUMINATE .. 129
Revision: 2007 November PCS-2 2008 EX35
Description ........................................................... 129
. Exploded View ...................................................... 130
.
Diagnosis Procedure ............................................ 129 . Removal and Installation ...................................... 130
. A
ON-VEHICLE REPAIR .............................. 130
. PUSH BUTTON IGNITION SWITCH ............... 131
Removal and Installation ...................................... 131
.
BCM (BODY CONTROL MODULE) ................ 130
. B
C
D
E
F
G
H
I
J
K
L
PCS
N
O
P
Revision: 2007 November PCS-3 2008 EX35
RELAY CONTROL SYSTEM
< FUNCTION DIAGNOSIS > [IPDM E/R]
FUNCTION DIAGNOSIS
RELAY CONTROL SYSTEM
System Diagram INFOID:0000000003131982
JPMIA0975GB
System Description INFOID:0000000003131983
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.
Revision: 2007 November PCS-4 2008 EX35
RELAY CONTROL SYSTEM
< FUNCTION DIAGNOSIS > [IPDM E/R]
Control relay Input/output Transmit unit Control part Reference page A
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