2008 NISSAN LATIO Service Repair Manual

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Page 1993 of 2771

NISSAN LATIO 2008 Service Repair Manual LAN-2
DLC BRANCH LINE CIRCUIT ...........................35
Diagnosis Procedure ..............................................35
EPS BRANCH LINE CIRCUIT ...........................36
Diagnosis Proce

LAN-2
DLC BRANCH LINE CIRCUIT ...........................35
Diagnosis Procedure ..............................................35
EPS BRANCH LINE CIRCUIT ...........................36
Diagnosis Procedure ..............................................36
I-KEY BRANCH LINE CIRCUIT ........................37
Diagnosis Procedure ..............................................37
M&A BRANCH LINE CIRCUIT ..........................38
Diagnosis Procedure ..............................................38
ABS BRANCH LINE CIRCUIT ..........................39
Diagnosis Procedure ..............................................39
TCM BRANCH LINE CIRCUIT ..........................40
Diagnosis Procedure ..............................................40
IPDM-E BRANCH LINE CIRCUIT .....................41
Diagnosis Procedure ..............................................41
CAN COMMUNICATION CIRCUIT ....................42
Diagnosis Procedure ..............................................42
CAN SYSTEM (TYPE 1)
COMPONENT DIAGNOSIS ........................
44
ECM BRANCH LINE CIRCUIT ..........................44
Diagnosis Procedure ..............................................44
BCM BRANCH LINE CIRCUIT ..........................45
Diagnosis Procedure ..............................................45
DLC BRANCH LINE CIRCUIT ...........................46
Diagnosis Procedure ..............................................46
EPS BRANCH LINE CIRCUIT ...........................47
Diagnosis Procedure ..............................................47
M&A BRANCH LINE CIRCUIT ..........................48
Diagnosis Procedure ..............................................48
IPDM-E BRANCH LINE CIRCUIT .....................49
Diagnosis Procedure ..............................................49
CAN COMMUNICATION CIRCUIT ....................50
Diagnosis Procedure ..............................................50
CAN SYSTEM (TYPE 2)
COMPONENT DIAGNOSIS ........................
52
ECM BRANCH LINE CIRCUIT ..........................52
Diagnosis Procedure ..............................................52
BCM BRANCH LINE CIRCUIT ..........................53
Diagnosis Procedure ..............................................53
DLC BRANCH LINE CIRCUIT ...........................54
Diagnosis Procedure ..............................................54
EPS BRANCH LINE CIRCUIT ...........................55
Diagnosis Procedure ..............................................55
I-KEY BRANCH LINE CIRCUIT ........................56
Diagnosis Procedure ...............................................56
M&A BRANCH LINE CIRCUIT ..........................57
Diagnosis Procedure ...............................................57
IPDM-E BRANCH LINE CIRCUIT .....................58
Diagnosis Procedure ...............................................58
CAN COMMUNICATION CIRCUIT ...................59
Diagnosis Procedure ...............................................59
CAN SYSTEM (TYPE 3)
COMPONENT DIAGNOSIS .......................
61
MAIN LINE BETWEEN DLC AND ABS CIR-
CUIT ...................................................................
61
Diagnosis Procedure ...............................................61
ECM BRANCH LINE CIRCUIT ..........................62
Diagnosis Procedure ...............................................62
BCM BRANCH LINE CIRCUIT ..........................63
Diagnosis Procedure ...............................................63
DLC BRANCH LINE CIRCUIT ..........................64
Diagnosis Procedure ...............................................64
EPS BRANCH LINE CIRCUIT ...........................65
Diagnosis Procedure ...............................................65
M&A BRANCH LINE CIRCUIT ..........................66
Diagnosis Procedure ...............................................66
ABS BRANCH LINE CIRCUIT ..........................67
Diagnosis Procedure ...............................................67
IPDM-E BRANCH LINE CIRCUIT .....................68
Diagnosis Procedure ...............................................68
CAN COMMUNICATION CIRCUIT ...................69
Diagnosis Procedure ...............................................69
CAN SYSTEM (TYPE 4)
COMPONENT DIAGNOSIS .......................
71
MAIN LINE BETWEEN DLC AND ABS CIR-
CUIT ...................................................................
71
Diagnosis Procedure ...............................................71
ECM BRANCH LINE CIRCUIT ..........................72
Diagnosis Procedure ...............................................72
BCM BRANCH LINE CIRCUIT ..........................73
Diagnosis Procedure ...............................................73
DLC BRANCH LINE CIRCUIT ..........................74
Diagnosis Procedure ...............................................74
EPS BRANCH LINE CIRCUIT ...........................75
Diagnosis Procedure ...............................................75
I-KEY BRANCH LINE CIRCUIT .....................

Page 1994 of 2771

NISSAN LATIO 2008 Service Repair Manual LAN-3
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76
M&A BRANCH LINE CIRCUIT ..........................77
Diagnosis Procedure ..............

LAN-3
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76
M&A BRANCH LINE CIRCUIT ..........................77
Diagnosis Procedure ...............................................77
ABS BRANCH LINE CIRCUIT ...........................78
Diagnosis Procedure ...............................................78
IPDM-E BRANCH LINE CIRCUIT ......................79
Diagnosis Procedure ...............................................79
CAN COMMUNICATION CIRCUIT ....................80
Diagnosis Procedure ...............................................80
CAN SYSTEM (TYPE 5)
COMPONENT DIAGNOSIS .........................
82
MAIN LINE BETWEEN DLC AND TCM CIR-
CUIT ....................................................................
82
Diagnosis Procedure ...............................................82
ECM BRANCH LINE CIRCUIT ...........................83
Diagnosis Procedure ...............................................83
BCM BRANCH LINE CIRCUIT ..........................84
Diagnosis Procedure ...............................................84
DLC BRANCH LINE CIRCUIT ...........................85
Diagnosis Procedure ...............................................85
EPS BRANCH LINE CIRCUIT ...........................86
Diagnosis Procedure ...............................................86
M&A BRANCH LINE CIRCUIT ..........................87
Diagnosis Procedure ...............................................87
TCM BRANCH LINE CIRCUIT ...........................88
Diagnosis Procedure ...............................................88
IPDM-E BRANCH LINE CIRCUIT ......................89
Diagnosis Procedure ...............................................89
CAN COMMUNICATION CIRCUIT ....................90
Diagnosis Procedure ...............................................90
CAN SYSTEM (TYPE 6)
COMPONENT DIAGNOSIS .........................
92
MAIN LINE BETWEEN DLC AND TCM CIR-
CUIT ....................................................................
92
Diagnosis Procedure ...............................................92
ECM BRANCH LINE CIRCUIT ...........................93
Diagnosis Procedure ...............................................93
BCM BRANCH LINE CIRCUIT ..........................94
Diagnosis Procedure ...............................................94
DLC BRANCH LINE CIRCUIT ...........................95
Diagnosis Procedure ...............................................95
EPS BRANCH LINE CIRCUIT ...........................96
Diagnosis Procedure ...............................................96
M&A BRANCH LINE CIRCUIT .........................97
Diagnosis Procedure ...............................................97
ABS BRANCH LINE CIRCUIT ..........................98
Diagnosis Procedure ...............................................98
TCM BRANCH LINE CIRCUIT ..........................99
Diagnosis Procedure ...............................................99
IPDM-E BRANCH LINE CIRCUIT ...................100
Diagnosis Procedure .............................................100
CAN COMMUNICATION CIRCUIT .................101
Diagnosis Procedure .............................................101
CAN SYSTEM (TYPE 7)
COMPONENT DIAGNOSIS .......................
103
MAIN LINE BETWEEN DLC AND TCM CIR-
CUIT ................................................................
103
Diagnosis Procedure .............................................103
ECM BRANCH LINE CIRCUIT .......................104
Diagnosis Procedure .............................................104
BCM BRANCH LINE CIRCUIT .......................105
Diagnosis Procedure .............................................105
DLC BRANCH LINE CIRCUIT ........................106
Diagnosis Procedure .............................................106
EPS BRANCH LINE CIRCUIT ........................107
Diagnosis Procedure .............................................107
M&A BRANCH LINE CIRCUIT .......................108
Diagnosis Procedure .............................................108
TCM BRANCH LINE CIRCUIT ........................109
Diagnosis Procedure .............................................109
IPDM-E BRANCH LINE CIRCUIT ...................110
Diagnosis Procedure .............................................110
CAN COMMUNICATION CIRCUIT .................111
Diagnosis Procedure .............................................111
CAN SYSTEM (TYPE 8)
COMPONENT DIAGNOSIS .......................
113
MAIN LINE BETWEEN DLC AND TCM CIR-
CUIT ................................................................
113
Diagnosis Procedure .............................................113
ECM BRANCH LINE CIRCUIT .......................114
Diagnosis Procedure .............................................114
BCM BRANCH LINE CIRCUIT .......................115
Diagnosis Procedure .............................................115
DLC BRANCH LINE CIRCUIT ........................116
Diagnosis Procedure .............................................116
EPS BRANCH LINE CIRCUIT ........................117

Page 1995 of 2771

NISSAN LATIO 2008 Service Repair Manual LAN-4
Diagnosis Procedure .............................................117
I-KEY BRANCH LINE CIRCUIT ......................118
Diagnosis Procedure .............................................118
M

LAN-4
Diagnosis Procedure .............................................117
I-KEY BRANCH LINE CIRCUIT ......................118
Diagnosis Procedure .............................................118
M&A BRANCH LINE CIRCUIT ........................119
Diagnosis Procedure .............................................119
TCM BRANCH LINE CIRCUIT ........................120
Diagnosis Procedure .............................................120
IPDM-E BRANCH LINE CIRCUIT ...................121
Diagnosis Procedure .............................................121
CAN COMMUNICATION CIRCUIT ..................122
Diagnosis Procedure .............................................122
CAN SYSTEM (TYPE 9)
COMPONENT DIAGNOSIS .......................
124
MAIN LINE BETWEEN DLC AND TCM CIR-
CUIT .................................................................
124
Diagnosis Procedure .............................................124
ECM BRANCH LINE CIRCUIT ........................125
Diagnosis Procedure .............................................125
BCM BRANCH LINE CIRCUIT ........................126
Diagnosis Procedure .............................................126
DLC BRANCH LINE CIRCUIT .........................127
Diagnosis Procedure .............................................127
EPS BRANCH LINE CIRCUIT .........................128
Diagnosis Procedure .............................................128
M&A BRANCH LINE CIRCUIT ........................129
Diagnosis Procedure .............................................129
ABS BRANCH LINE CIRCUIT ........................130
Diagnosis Procedure .............................................130
TCM BRANCH LINE CIRCUIT ........................131
Diagnosis Procedure .............................................131
IPDM-E BRANCH LINE CIRCUIT ....................132
Diagnosis Procedure .............................................132
CAN COMMUNICATION CIRCUIT ..................133
Diagnosis Procedure .............................................133
CAN SYSTEM (TYPE 10)
COMPONENT DIAGNOSIS ......................
135
MAIN LINE BETWEEN DLC AND TCM CIR-
CUIT ..................................................................
135
Diagnosis Procedure .............................................135
ECM BRANCH LINE CIRCUIT .........................136
Diagnosis Procedure .............................................136
BCM BRANCH LINE CIRCUIT .........................137
Diagnosis Procedure .............................................137
DLC BRANCH LINE CIRCUIT .........................138
Diagnosis Procedure .............................................138
EPS BRANCH LINE CIRCUIT ..........................139
Diagnosis Procedure .............................................139
I-KEY BRANCH LINE CIRCUIT .......................140
Diagnosis Procedure .............................................140
M&A BRANCH LINE CIRCUIT .........................141
Diagnosis Procedure .............................................141
ABS BRANCH LINE CIRCUIT .........................142
Diagnosis Procedure .............................................142
TCM BRANCH LINE CIRCUIT .........................143
Diagnosis Procedure .............................................143
IPDM-E BRANCH LINE CIRCUIT ....................144
Diagnosis Procedure .............................................144
CAN COMMUNICATION CIRCUIT ..................145
Diagnosis Procedure .............................................145

Page 1996 of 2771

NISSAN LATIO 2008 Service Repair Manual PRECAUTIONS
LAN-5
< PRECAUTION >[CAN FUNDAMENTAL]
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PRECAUTION
PRECAUTIONS
Precautions for Trouble DiagnosisINFOID:0000000001711198
CAUTION:
• Never apply 7.0 V or mor

Page 1997 of 2771

NISSAN LATIO 2008 Service Repair Manual LAN-6
< FUNCTION DIAGNOSIS >[CAN FUNDAMENTAL]
CAN COMMUNICATION SYSTEM
FUNCTION DIAGNOSIS
CAN COMMUNICATION SYSTEM
System DescriptionINFOID:0000000001711200
• CAN communication is a multiplex commun

Page 1998 of 2771

NISSAN LATIO 2008 Service Repair Manual CAN COMMUNICATION SYSTEM
LAN-7
< FUNCTION DIAGNOSIS >[CAN FUNDAMENTAL]
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CAN Communication Control CircuitINFOID:0000000001711202
*: These are the only control units wir

Page 1999 of 2771

NISSAN LATIO 2008 Service Repair Manual LAN-8
< FUNCTION DIAGNOSIS >[CAN FUNDAMENTAL]
DIAG ON CAN
DIAG ON CAN
DescriptionINFOID:0000000001711203
“Diag on CAN” is a diagnosis using CAN communication instead of previous DDL1 and DDL2 comm

Page 2000 of 2771

NISSAN LATIO 2008 Service Repair Manual TROUBLE DIAGNOSIS
LAN-9
< FUNCTION DIAGNOSIS >[CAN FUNDAMENTAL]
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TROUBLE DIAGNOSIS
Condition of Error DetectionINFOID:0000000001711205
“U1000” or “U1001” is ind

TROUBLE DIAGNOSIS
LAN-9
< FUNCTION DIAGNOSIS >[CAN FUNDAMENTAL]
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TROUBLE DIAGNOSIS
Condition of Error DetectionINFOID:0000000001711205
“U1000” or “U1001” is indicated on SELF-DIAG RESULTS on CONSULT-III if CAN communication signal is
not transmitted or received between units for 2 seconds or more.
CAN COMMUNICATION SYSTEM ERROR
• CAN communication line open (CAN-H, CAN-L, or both)
• CAN communication line short (ground, between CAN communication lines, other harnesses)
• Error of CAN communication control circuit of the unit connected to CAN communication line
WHEN “U1000” OR “U1001” IS INDICATED EVEN THOUGH CAN COMMUNICATION SYSTEM IS
NORMAL
• Removal/installation of parts: Error may be detected when removing and installing CAN communication unit
and related parts while turning the ignition switch ON. (A DTC except for CAN communication may be
detected.)
• Fuse blown out (removed): CAN communication of the unit may cease.
• Voltage drop: Error may be detected if voltage drops due to discharged battery when turning the ignition
switch ON (Depending on the control unit which carries out CAN communication).
• Error may be detected if the power supply circuit of the control unit, which carries out CAN communication,
malfunctions (Depending on the control unit which carries out CAN communication).
• Error may be detected if reprogramming is not completed normally.
NOTE:
CAN communication system is normal if “U1000” or “U1001” is indicated on SELF-DIAG RESULTS of CON-
SULT-III under the above conditions. Erase the memory of the self-diagnosis of each unit.
Symptom When Error Occurs in CAN Communication SystemINFOID:0000000001711206
In CAN communication system, multiple units mutually transmit and receive signals. Each unit cannot transmit
and receive signals if any error occurs on CAN communication line. Under this condition, multiple control units
related to the root cause malfunction or go into fail-safe mode.
ERROR EXAMPLE
NOTE:
• Each vehicle differs in symptom of each unit under fail-safe mode and CAN communication line wiring.
• Refer to LAN-20, "
Abbreviation List" for the unit abbreviation.
Example: TCM branch line open circuit
SKIB8738E
Unit name Symptom
ECM Engine torque limiting is affected, and shift harshness increases.
BCM Reverse warning chime does not sound.

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