seat INFINITI M35 2007 Factory Service Manual

LAN-2Revision: 2007 April2007 M35/M45 CAN System (Type 7) ............................................. 76
DIAGNOSIS SHEET ............................................ 76
CAN System (Type 8) ............................................. 77
DIAGNOSIS SHEET ............................................ 77
CAN System (Type 9) ............................................. 78
DIAGNOSIS SHEET ............................................ 78
CAN System (Type 10) ........................................... 79
DIAGNOSIS SHEET ............................................ 79
CAN System (Type 11) ........................................... 80
DIAGNOSIS SHEET ............................................ 80
Component Parts Location ..................................... 81
Harness Layout ...................................................... 81
Malfunction Area Chart ........................................... 82
MAIN LINE ........................................................... 82
BRANCH LINE .................................................... 82
SHORT CIRCUIT ................................................ 82
Main Line Between TCM and Data Link Connector ... 83
Main Line Between Data Link Connector and Pre-
crash Seat Belt Control Unit ................................... 84
Main Line Between Data Link Connector and RAS
Control Unit ............................................................. 85
Main Line Between RAS Control Unit and Pre-crash
Seat Belt Control Unit ............................................. 86
Main Line Between Pre-crash Seat Belt Control Unit
and Driver Seat Control Unit ................................... 87
Main Line Between Driver Seat Control Unit and ABS Actuator and Electric Unit (Control Unit) ......... 88
Main Line Between ABS Actuator and Electric Unit
(Control Unit) and ICC Sensor Integrated Unit ....... 89
ECM Branch Line Circuit ......................................... 89
AWD Control Unit Branch Line Circuit .................... 90
AFS Control Unit Branch Line Circuit ...................... 91
BCM Branch Line Circuit ......................................... 91
LDW Camera Unit Branch Line Circuit ................... 92
TCM Branch Line Circuit ......................................... 93
NAVI Control Unit Branch Line Circuit .................... 93
AV Control Unit Branch Line Circuit ........................ 94
Data Link Connector Branch Line Circuit ................ 95
Intelligent Key Unit Branch Line Circuit ................... 95
Unified Meter and A/C Amp. Branch Line Circuit .... 96
Steering Angle Sensor Branch Line Circuit ............. 97
Low Tire Pressure Warning Control Unit Branch Line
Circuit ...................................................................... 97
RAS Control Unit Branch Line Circuit ..................... 98
Pre-Crash Seat Belt Control Unit Branch Line Circuit
... 99
Driver Seat Control Unit Branch Line Circuit ........... 99
ABS Actuator and Electric Unit (Control Unit) Branch
Line Circuit ............................................................100
ICC Sensor Integrated Unit Branch Line Circuit ...101
IPDM E/R Branch Line Circuit ...............................101
CAN Communication Circuit .................................102

HOW TO USE THIS SECTION
LAN-41
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: 2007 April2007 M35/M45
HOW TO USE THIS SECTIONPFP:00008
CautionNKS004FN

This section describes information specific to a vehicle, sheets for trouble diagnosis, and inspection pro-
cedures.

For trouble diagnosis procedure, refer to LAN-17, "Trouble Diagnosis Procedure" .
Abbreviation ListNKS004FO
Abbreviations in CAN communication signal chart and the diagnosis sheet are as per the following list.
Abbreviation Unit nameSELECT SYSTEM
(CONSULT-II)CAN DIAG SUPPORT MNTR
(CONSULT-II)
4WD AWD control unit ALL MODE AWD/4WD AWD/4WD
ABS ABS actuator and electric unit (control unit) ABS VDC/TCS/ABS
ADP Driver seat control unit AUTO DRIVE POS. –
AFS AFS control unit ADAPTIVE LIGHT AFS
AVNAVI control unit
MULTI AVMULTI AV
DISPLAY
AV control unitMULTI AV
DISPLAY
BCM BCM BCM BCM/SEC
DLC Data link connector – –
ECM ECM ENGINE ECM
ICC ICC sensor integrated unit ICCICC
ICC/e4WD
I-KEY Intelligent Key unit INTELLIGENT KEY I-KEY
IPDM-E IPDM E/R IPDM E/R IPDM E/R
M&A Unified meter and A/C amp. METER A/C AMP METER/M&A
PSB Pre-crash seat belt control unit PRECRASH SEATBELT –
RAS RAS control unit RAS/HICAS RAS C/U
STRG Steering angle sensor – STRG
TCM TCM A/T TCM
TPMS Low tire pressure warning control unit AIR PRESSURE MONITOR TIRE-P
LANE LDW camera unit LDW –

LAN-42
[CAN]
PRECAUTIONS
Revision: 2007 April2007 M35/M45
PRECAUTIONSPFP:00001
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”
NKS004HN
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SRS and SB section of this Service Man-
ual.
WARNING:

To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death
in the event of a collision which would result in air bag inflation, all maintenance must be per-
formed by an authorized NISSAN/INFINITI dealer.

Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
Bag Module, see the SRS section.

Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or
harness connectors.
Precautions When Using CONSULT-IINKS004HK
Use CONSULT-II CONVERTER when connecting CONSULT-II to data link connector.
CAUTION:
CAN communication does not function properly if CONSULT-II is used without connecting CONSULT-II
CONVERTER.
Precautions for Trouble DiagnosisNKS004HL
CAUTION:

Never apply 7.0 V or more to the measurement terminal.

Use a tester with open terminal voltage of 7.0 V or less.

Turn the ignition switch OFF and disconnect the battery cable from the negative terminal when
checking the harness.
Precautions for Harness RepairNKS004HM

Solder the repaired area and wrap tape around the soldered
area.
NOTE:
A fray of twisted lines must be within 110 mm (4.33 in).
SKIB8766E

LAN-48
[CAN]
TROUBLE DIAGNOSIS
Revision: 2007 April2007 M35/M45
RAS control unit
0: Error at present, 1 – 39: Error in the past (Number means the number of times the ignition switch is turned OFF→ON)
*: An error count is erased at 40 automatically and becomes OK indication. And the self-diagnosis result is erased, too.
Pre-crash seat belt control unit
0: Error at present, 1 – 39: Error in the past (Number means the number of times the ignition switch is turned OFF→ON)
*: 39 or higher number is fixed at 39 until the self-diagnosis result is erased.
Driver seat control unit
NOTE:
Replace the unit when “NG” is indicated on the “INITIAL DIAG”.
SELECT SYS-
TEMCAN DIAG SUP-
PORT MNTRDescriptionNormal Error
PRSNT PAST PRSNT PAST
RAS/HICASTRANSMIT DIAG Signal transmission status
OKOK
or
1 – 39
*UNKWN 0 ECM Signal receiving status from the ECM
VDC/TCS/ABSSignal receiving status from the ABS actu-
ator and electric unit (control unit)
STRGSignal receiving status from the steering
angle sensor
SELECT SYS-
TEMCAN DIAG SUP-
PORT MNTRDescriptionNormal Error
PRSNT PAST PRSNT PAST
PRECRASH
SEATBELTTRANSMIT DIAG Not used even though indicated
ECM Signal receiving status from the ECM
OKOK
or
1 – 39
*UNKWN 0 METER/M&ASignal receiving status from the unified
meter and A/C amp.
TCM Signal receiving status from the TCM
SELECT SYS-
TEMCAN DIAG SUP-
PORT MNTRDescriptionNormal Error
PRSNT
AUTO DRIVE
POS.INITIAL DIAG Status of CAN controller OK NG
TRANSMIT DIAG Not used even though indicated
BCM/SEC Signal receiving status from the BCM
OK UNKWN METER/M&A Signal receiving status from the unified meter and A/C amp.
TCM Signal receiving status from the TCM

LAN-54
[CAN]
TROUBLE DIAGNOSIS
Revision: 2007 April2007 M35/M45

*1: Models with adaptive front-lighting system

*2: Models with lane departure warning

*3: Models with rear active steer

*4: Models with ICC system Seat belt buckle switch signal R T
Target A/C evaporator temperature signal R T
Vehicle speed signalRRR RRRT RR R
RRRRR TR
Steering angle sensor signal R T R R
Tire pressure data signal R T
Tire pressure signalRR T
TR
RAS signalTR
A/T shift schedule change demand signal R T
ABS malfunction signalTR
ABS operation signal TR
ABS warning lamp signal R T
Brake pressure control signalTR
Brake warning lamp signal R T
Side G sensor signal R T
SLIP indicator lamp signal R T
TCS malfunction signalTR
TCS operation signal TR
VDC malfunction signalTR
VDC OFF indicator lamp signal R T
VDC OFF switch signalTR
VDC operation signalTR
Deceleration degree commandment value signalRT
ICC OD cancel request signal R T
ICC operation signal R T
ICC warning lamp signal R T
Front wiper stop position signal R T
High beam status signal RT
Hood switch signal R T
Low beam status signal R R T
Rear window defogger control signal R R T
Starter relay status signal R TSignals
ECM
AFS
*1
BCM
LANE
*2
TCM
AV
I-KEY
M&A
STRG
TPMS
RAS
*3
PSB
ADP
ABS
ICC
*4
IPDM-E

TROUBLE DIAGNOSIS
LAN-57
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: 2007 April2007 M35/M45

*1: Models with adaptive front-lighting system

*2: Models with lane departure warning

*3: Models with ICC system Seat belt buckle switch signal R T
Target A/C evaporator temperature signal R T
Vehicle speed signalRRRRRRT RRR
RRRRR TR
Steering angle sensor signal R T R
Tire pressure data signal R T
Tire pressure signalRR T
TR
A/T shift schedule change demand signal R T
ABS malfunction signalTR
ABS operation signal TR
ABS warning lamp signal R T
Brake pressure control signalTR
Brake warning lamp signal R T
Side G sensor signal R T
SLIP indicator lamp signal R T
TCS malfunction signalTR
TCS operation signal TR
VDC malfunction signalTR
VDC OFF indicator lamp signal R T
VDC OFF switch signalTR
VDC operation signalTR
Deceleration degree commandment value signalRT
ICC OD cancel request signal R T
ICC operation signal R T
ICC warning lamp signalRT
Front wiper stop position signal R T
High beam status signal RT
Hood switch signal R T
Low beam status signal R R T
Rear window defogger control signal R R T
Starter relay status signal R TSignals
ECM
4WD
AFS
*1
BCM
LANE
*2
TCM
AV
I-KEY
M&A
STRG
TPMS
PSB
ADP
ABS
ICC
*3
IPDM-E

TROUBLE DIAGNOSIS
LAN-81
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: 2007 April2007 M35/M45
Component Parts LocationNKS004G4
Harness LayoutNKS004G5
Refer to PG-62, "Harness Layout" .
1. AWD control unit F109 2. AFS control unit F110 3. IPDM E/R E9
4. BCM M1 5. NAVI control unit M210: With
navigation system
AV control unit M210: Without
navigation system6. Unified meter and A/C amp. M65
7. ICC sensor integrated unit E61 8. ABS actuator and electric unit
(control unit) E309. Intelligent Key unit M32
10. Data link connector M60 11. Low tire pressure warning con-
trol unit M1912. Driver seat control unit B204
13. Steering angle sensor M47 14. TCM F42 15. Pre-crash seat belt control unit
B142
16. RAS control unit B476 17. LDW camera unit M182 18. ECM M71
PKID0344E

LAN-82
[CAN]
TROUBLE DIAGNOSIS
Revision: 2007 April2007 M35/M45
Malfunction Area ChartNKS004G6
MAIN LINE
BRANCH LINE
SHORT CIRCUIT
Malfunction Area Reference
Main line between TCM and data link connectorLAN-83, "
Main Line Between TCM and Data Link Connector"
Main line between data link connector and pre-crash seat belt
control unitLAN-84, "Main Line Between Data Link Connector and Pre-
crash Seat Belt Control Unit"
Main line between data link connector and RAS control unitLAN-85, "Main Line Between Data Link Connector and RAS
Control Unit"
Main line between RAS control unit and pre-crash seat belt con-
trol unitLAN-86, "Main Line Between RAS Control Unit and Pre-crash
Seat Belt Control Unit"
Main line between pre-crash seat belt control unit and driver
seat control unitLAN-87, "Main Line Between Pre-crash Seat Belt Control Unit
and Driver Seat Control Unit"
Main line between driver seat control unit and ABS actuator and
electric unit (control unit)LAN-88, "Main Line Between Driver Seat Control Unit and ABS
Actuator and Electric Unit (Control Unit)"
Main line between ABS actuator and electric unit (control unit)
and ICC sensor integrated unitLAN-89, "Main Line Between ABS Actuator and Electric Unit
(Control Unit) and ICC Sensor Integrated Unit"
Malfunction Area Reference
ECM branch line circuitLAN-89, "
ECM Branch Line Circuit"
AWD control unit branch line circuitLAN-90, "AWD Control Unit Branch Line Circuit"
AFS control unit branch line circuitLAN-91, "AFS Control Unit Branch Line Circuit"
BCM branch line circuitLAN-91, "BCM Branch Line Circuit"
LDW camera unit branch line circuitLAN-92, "LDW Camera Unit Branch Line Circuit"
TCM branch line circuitLAN-93, "TCM Branch Line Circuit"
NAVI control unit branch line circuitLAN-93, "NAVI Control Unit Branch Line Circuit"
AV control unit branch line circuitLAN-94, "AV Control Unit Branch Line Circuit"
Data link connector branch line circuitLAN-95, "Data Link Connector Branch Line Circuit"
Intelligent Key unit branch line circuitLAN-95, "Intelligent Key Unit Branch Line Circuit"
Unified meter and A/C amp. branch line circuitLAN-96, "Unified Meter and A/C Amp. Branch Line Circuit"
Steering angle sensor branch line circuitLAN-97, "Steering Angle Sensor Branch Line Circuit"
Low tire pressure warning control unit branch line circuitLAN-97, "Low Tire Pressure Warning Control Unit Branch Line
Circuit"
RAS control unit branch line circuitLAN-98, "RAS Control Unit Branch Line Circuit"
Pre-crash seat belt control unit branch line circuitLAN-99, "Pre-Crash Seat Belt Control Unit Branch Line Circuit"
Driver seat control unit branch line circuitLAN-99, "Driver Seat Control Unit Branch Line Circuit"
ABS actuator and electric unit (control unit) branch line circuitLAN-100, "ABS Actuator and Electric Unit (Control Unit) Branch
Line Circuit"
ICC sensor integrated unit branch line circuitLAN-101, "ICC Sensor Integrated Unit Branch Line Circuit"
IPDM E/R branch line circuitLAN-101, "IPDM E/R Branch Line Circuit"
Malfunction Area Reference
CAN communication circuitLAN-102, "
CAN Communication Circuit"

LAN-84
[CAN]
TROUBLE DIAGNOSIS
Revision: 2007 April2007 M35/M45
Main Line Between Data Link Connector and Pre-crash Seat Belt Control UnitNKS004GY
INSPECTION PROCEDURE
1. CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the following terminals and connectors for damage, bend and loose connection (connector side
and harness side).
–Harness connector M66
–Harness connector B418
–Harness connector B437
–Harness connector B67
OK or NG
OK >> GO TO 2.
NG >> Repair the terminal and connector.
2. CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1. Disconnect the harness connectors M66 and B418.
2. Check the continuity between the data link connector and the harness connector.
OK or NG
OK >> GO TO 3.
NG >> Repair the main line between the data link connector and the harness connector M66.
3. CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1. Disconnect the harness connectors B437 and B67.
2. Check the continuity between harness connectors.
OK or NG
OK >> GO TO 4.
NG >> Replace the body No. 2 harness.
Data link connector Harness connector
Continuity
Connector No. Terminal No. Connector No. Terminal No.
M606
M6638P Yes
14 39P Yes
Harness connector Harness connector
Continuity
Connector No. Terminal No. Connector No. Terminal No.
B41838P
B4371Yes
39P 12 Yes

TROUBLE DIAGNOSIS
LAN-85
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: 2007 April2007 M35/M45
4. CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1. Disconnect the connector of pre-crash seat belt control unit.
2. Check the continuity between the harness connector and the pre-crash seat belt control unit harness con-
nector.
OK or NG
OK >>
Present error: Check the following items again.
–Decision of CAN system type.
–Not received CONSULT-II data (SELECT SYSTEM, SELF-DIAG RESULTS, CAN DIAG SUP-
PORT MNTR).
–Procedure for detecting root cause.

Past error: Error was detected in the main line between the data link connector and the pre-
crash seat belt control unit.
NG >> Replace the body harness.
Main Line Between Data Link Connector and RAS Control UnitNKS004GX
INSPECTION PROCEDURE
1. CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the following terminals and connectors for damage, bend and loose connection (connector side
and harness side).
–Harness connector M66
–Harness connector B418
OK or NG
OK >> GO TO 2.
NG >> Repair the terminal and connector.
2. CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1. Disconnect the harness connectors M66 and B418.
2. Check the continuity between the data link connector and the harness connector.
OK or NG
OK >> GO TO 3.
NG >> Repair the main line between the data link connector and the harness connector M66.
Harness connectorPre-crash seat belt control unit
harness connector
Continuity
Connector No. Terminal No. Connector No. Terminal No.
B671
B14224 Yes
12 22 Yes
Data link connector Harness connector
Continuity
Connector No. Terminal No. Connector No. Terminal No.
M606
M6638P Yes
14 39P Yes