Nissan Altima HL32 Hybrid. Manual - part 840

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ELECTRICAL & POWER CONTROL

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SECTION 

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CONTENTS

POWER  CONTROL SYSTEM

IPDM E/R

BASIC INSPECTION  ....................................

4

DIAGNOSIS AND REPAIR WORKFLOW  ..........

4

Work Flow  .................................................................

4

FUNCTION DIAGNOSIS ...............................

7

RELAY CONTROL SYSTEM  ..............................

7

System Diagram ........................................................

7

System Description  ...................................................

8

Component Parts Location ........................................

8

POWER CONTROL SYSTEM ............................

10

System Diagram ......................................................

10

System Description  .................................................

10

SIGNAL BUFFER SYSTEM  ...............................

11

System Diagram ......................................................

11

System Description  .................................................

11

POWER CONSUMPTION CONTROL SYS-
TEM ....................................................................

12

System Diagram ......................................................

12

System Description  .................................................

12

Component Parts Location ......................................

13

DIAGNOSIS SYSTEM (IPDM E/R) .....................

14

Diagnosis Description  .............................................

14

CONSULT - III Function (IPDM E/R) .......................

17

COMPONENT DIAGNOSIS .........................

19

U1000 CAN COMM CIRCUIT .............................

19

Description ..............................................................

19

DTC Logic  ...............................................................

19

Diagnosis Procedure ...............................................

19

B2098 IGNITION RELAY ON STUCK  ...............

20

Description ..............................................................

20

DTC Logic  ...............................................................

20

Diagnosis Procedure ...............................................

20

B2099 IGNITION RELAY OFF STUCK  ............

21

Description ...............................................................

21

DTC Logic ................................................................

21

Diagnosis Procedure  ...............................................

21

POWER SUPPLY AND GROUND CIRCUIT  ....

22

Diagnosis Procedure  ...............................................

22

ECU DIAGNOSIS .........................................

23

IPDM E/R (INTELLIGENT POWER DISTRI-
BUTION MODULE ENGINE ROOM)  ................

23

Reference Value ......................................................

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Terminal Layout .......................................................

24

Physical Values  .......................................................

24

Wiring Diagram ........................................................

29

Fail Safe ..................................................................

34

DTC Index ...............................................................

36

PRECAUTION ..............................................

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PRECAUTIONS .................................................

37

Precaution for Supplemental Restraint System 
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" .................................................................

37

Necessary for Steering Wheel Rotation After Bat-
tery Disconnect ........................................................

37

Precautions For High-Voltage System  ....................

37

Precaution for Procedure without Cowl Top Cover ....

38

ON-VEHICLE REPAIR .................................

39

IPDM E/R (INTELLIGENT POWER DISTRI-
BUTION MODULE ENGINE ROOM)  ................

39

Removal and Installation  .........................................

39

POWER DISTRIBUTION SYSTEM

BASIC INSPECTION  ...................................

40

DIAGNOSIS AND REPAIR WORKFLOW  ........

40

Work Flow ................................................................

40

Pre-Inspection for Multi-System Diagnostic .............

42

PCS-2

FUNCTION DIAGNOSIS  .............................

44

POWER DISTRIBUTION SYSTEM  ...................

44

System Description .................................................

44

Component Parts Location  .....................................

45

Component Description .........................................

46

DIAGNOSIS SYSTEM (BCM) ............................

47

COMMON ITEM  ........................................................

47

COMMON ITEM : Diagnosis Description ................

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COMMON ITEM : CONSULT-III Function (BCM - 
COMMON ITEM)  ....................................................

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INTELLIGENT KEY ...................................................

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INTELLIGENT KEY : CONSULT-III Function 
(BCM - INTELLIGENT KEY) ...................................

48

COMPONENT DIAGNOSIS  ........................

51

U1000 CAN COMM CIRCUIT  ............................

51

Description ..............................................................

51

DTC Logic ...............................................................

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Diagnosis Procedure  ..............................................

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U1010 CONTROL UNIT (CAN)  .........................

52

DTC Logic ...............................................................

52

Diagnosis Procedure  ..............................................

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B2553 IGNITION RELAY ...................................

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Description ..............................................................

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DTC Logic ...............................................................

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Diagnosis Procedure  ..............................................

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B260A IGNITION RELAY  ..................................

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Description ..............................................................

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DTC Logic ...............................................................

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Diagnosis Procedure  ..............................................

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B2611 ACC RELAY ...........................................

56

Description ..............................................................

56

DTC Logic ...............................................................

56

Diagnosis Procedure  ..............................................

56

B2614 ACC RELAY CIRCUIT  ...........................

58

Description ..............................................................

58

DTC Logic ...............................................................

58

Diagnosis Procedure  ..............................................

58

Component Inspection (Accessory Relay)  .............

59

B2615 BLOWER RELAY CIRCUIT  ...................

61

Description ..............................................................

61

DTC Logic ...............................................................

61

Diagnosis Procedure  ..............................................

61

Component Inspection (Blower Relay)  ...................

62

B2616 IGNITION RELAY CIRCUIT  ...................

64

Description ..............................................................

64

DTC Logic ...............................................................

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Diagnosis Procedure  ..............................................

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Component Inspection (Ignition Relay)  ..................

65

B2618 BCM  .......................................................

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Description ..............................................................

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DTC Logic  ...............................................................

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Diagnosis Procedure ...............................................

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B261A PUSH-BUTTON IGNITION SWITCH .....

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Description ..............................................................

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DTC Logic  ...............................................................

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Diagnosis Procedure ...............................................

68

POWER SUPPLY AND GROUND CIRCUIT .....

71

BCM ...........................................................................

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BCM : Diagnosis Procedure ....................................

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BCM : Special Repair Requirement  ........................

71

IPDM E/R (INTELLIGENT POWER DISTRIBU-
TION MODULE ENGINE ROOM) ..............................

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IPDM E/R (INTELLIGENT POWER DISTRIBU-
TION MODULE ENGINE ROOM) : Diagnosis Pro-
cedure .....................................................................

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PUSH-BUTTON IGNITION SWITCH POSI-
TION INDICATOR ..............................................

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Description ..............................................................

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Component Function Check ..................................

73

Diagnosis Procedure ...............................................

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Component Inspection  ............................................

75

ECU DIAGNOSIS  .......................................

76

BCM (BODY CONTROL MODULE) ..................

76

Reference Value  .....................................................

76

Terminal Layout  ......................................................

80

Physical Values .......................................................

81

Wiring Diagram  .......................................................

99

Fail Safe ...............................................................

107

DTC Inspection Priority Chart .............................

109

DTC Index ............................................................

110

IPDM E/R (INTELLIGENT POWER DISTRI-
BUTION MODULE ENGINE ROOM) ................

113

Reference Value  ...................................................

113

Terminal Layout  ....................................................

114

Physical Values .....................................................

114

Wiring Diagram  .....................................................

119

Fail Safe ...............................................................

124

DTC Index ............................................................

126

SYMPTOM DIAGNOSIS  ...........................

127

POWER DISTRIBUTION SYSTEM SYMP-
TOMS ................................................................

127

Symptom Table .....................................................

127

PRECAUTION ...........................................

128

PRECAUTIONS  ................................................

128

Precaution for Supplemental Restraint System 
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ...............................................................

128

PCS

PCS-3

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Necessary for Steering Wheel Rotation After Bat-
tery Disconnect  .....................................................

128

Precautions For High-Voltage System  ..................

128

Precaution for Procedure without Cowl Top Cover 

..

129

ON-VEHICLE REPAIR ...............................

130

BCM (BODY CONTROL MODULE)  ...............

130

Removal and Installation  .......................................

130

PCS-4

< BASIC INSPECTION >

[IPDM E/R]

DIAGNOSIS AND REPAIR WORKFLOW

BASIC INSPECTION

DIAGNOSIS AND REPAIR WORKFLOW

Work Flow

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