sensor INFINITI FX35 2007 Service Manual

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Revision: 2006 July 2007 FX35/FX45
Check Front Lifting Sensor CircuitNIS001VC
1. CHECK FUNCTION
With CONSULT-II
Check operation with “LIFT FR PULSE” on the DATA MONITOR to make sure the pulse changes.
Without CONSULT-II
1. Turn ignition switch OFF.
2. Check signal between driver seat control unit connector and ground, with oscilloscope.
OK or NG
OK >> Front lifting sensor circuit is OK.
NG >> GO TO 2.
2. CHECK FRONT LIFTING SENSOR HARNESS CONTINUITY
1. Disconnect driver seat control unit connector and front lifting motor connector.
2. Check continuity between driver seat control unit connector B152 terminals 19, 28C and front lifting motor connector B164
terminals 19, 28A.
3. Check continuity between driver seat control unit connector B152 terminals 19, 28C and ground.
OK or NG
OK >> Replace front lifting motor.
NG >> Repair or replace harness between driver seat control unit and front lifting motor.
Monitor item
[OPERATION or UNIT] Contents
LIFT FR PULSE The front lifting position (pulse) judged from the front lifting
sensor is displayed
PIIA4558E
Connector Terminals
(Wire color) Condition Signal
(Reference value)
(+) (–)
B152 19 (G/R) Ground Front lift-
ing motor
operation
PIIA6109ESIIA0691J
19 (G/R) – 19 (G/R) : Continuity should exist.
28C (B/W) – 28A (B/W) : Continuity should exist.
19 (G/R) – Ground : Continuity should not exist.
28C (B/W) – Ground : Continuity should not exist.
PIIA6110E

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Revision: 2006 July 2007 FX35/FX45
Check Rear Lifting Sensor CircuitNIS001VD
1. CHECK REAR LIFTING SENSOR INPUT/OUTPUT SIGNAL
With CONSULT-II
Check operation with “LIFT RP PULSE” on the DATA MONITOR to make sure pulse changes.
Without CONSULT-II
1. Turn ignition switch OFF.
2. Check signal between driver seat control unit connector ground, with oscilloscope.
OK or NG
OK >> Rear lifting sensor circuit is OK.
NG >> GO TO 2.
2. CHECK REAR LIFTING SENSOR HARNESS CONTINUITY
1. Disconnect driver seat control unit connector and rear lifting motor connector.
2. Check continuity between driver seat control unit connector B152 terminals 28C, 30 and rear lifting motor connector B162
terminals 28B, 30.
3. Check continuity between driver seat control unit connector B152 terminals 28C, 30 and ground.
OK or NG
OK >> Replace rear lifting motor.
NG >> Repair or replace harness between driver seat control unit and rear lifting motor.
Monitor item
[OPERATION or UNIT Contents
LIFT RR PULSE The rear lifting position (pulse) judged from the rear lifting
sensor is displayed.
PIIA4558E
Connector Te r m i n a l s
(Wire color) Condition Signal
(Reference value)
(+) (–)
B152 30 (R/W) Ground Rear lift-
ing motor
operation
P I I A 6 111 ESIIA0693J
28C (B/W) – 28B (B/W) : Continuity should exist.
30 (R/W) – 30 (R/W) : Continuity should exist.
28C (B/W) – Ground : Continuity should not exist.
30 (R/W) – Ground : Continuity should not exist.
PIIA6112E

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Revision: 2006 July 2007 FX35/FX45
Check Telescopic Sensor CircuitNIS001VE
1. CHECK FUNCTION
With CONSULT-II
Operate the telescopic switch with “TELESCO SEN” on the DATA MONITOR to make sure the voltage
changes.
Without CONSULT-II
1. Turn ignition switch OFF.
2. Check voltage between automatic drive positioner control unit connector and ground.
OK or NG
OK >> Telescopic sensor circuit is OK.
NG >> GO TO 2.
2. CHECK HARNESS CONTINUITY
1. Disconnect automatic drive positioner control unit connector and tilt sensor and telescopic sensor connec- tor.
2. Check continuity harness between automatic drive positioner control unit connector M49 terminals 23 and tilt sensor and tele-
scopic sensor connector M28 terminals 3.
3. Check continuity harness between automatic drive positioner control unit connector M49 terminals 23 and ground.
OK or NG
OK >> Replace tilt sensor and telescopic sensor.
NG >> Repair or replace harness between automatic drive positioner control unit and tilt sensor and telescopic sensor.
Monitor item
[OPERATION or UNIT] Contents
TELESCO
SEN “V”
The telescoping position (voltage) judged from the tele-
scoping sensor signal is displayed.
PIIA0295E
Connector Terminals
(Wire color) Condition Voltage (V)
(Approx.)
(+) (–)
M49 23 (Y/B) Ground Telescopic
top position 1
Telescopic
bottom position 4
PIIA5070E
23 (Y/B) – 3 (Y/B) : Continuity should exist.
23 (Y/B) – Ground : Continuity should not exist.
PIIA5079E

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Revision: 2006 July 2007 FX35/FX45
Check Tilt Sensor CircuitNIS001VF
1. CHECK TILT SENSOR
With CONSULT-II
With “TILT SEN” on the DATA MONITOR, operate the tilt switch to make sure voltage changes.
Without CONSULT-II
1. Turn ignition switch OFF.
2. Check voltage between automatic drive positioner control unit connector and ground.
OK or NG
OK >> Tilt sensor circuit is OK.
NG >> GO TO 2.
2. CHECK HARNESS
1. Disconnect automatic drive positioner control unit connector and tilt sensor and telescopic sensor connec- tor.
2. Check continuity harness between automatic drive positioner control unit connector M49 terminals 7 and tilt sensor and tele-
scopic sensor connector M28 terminals 2.
3. Check continuity harness between automatic drive positioner control unit connector M49 terminals 7 and ground.
OK or NG
OK >> Replace tilt sensor and telescopic sensor.
NG >> Repair or replace harness between automatic drive positioner control unit and tilt sensor and telescopic sensor.
Monitor item
[OPERATION or UNIT] Contents
TILT SEN “V” The tilt position (voltage) judged from the tilt sensor sig-
nal is displayed.
PIIA0295E
Connector Terminals
(Wire color) Condition Voltage (V)
(Approx.)
(+) (–)
M49 7 (Y/R) Ground Tilt top position 2
Tilt bottom position 4
PIIA5069E
7 (Y/R) – 2 (Y/R) : Continuity should exist.
7 (Y/R) – Ground : Continuity should not exist.
PIIA5080E

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Revision: 2006 July 2007 FX35/FX45
Check Driver Side Mirror Sensor Circuit NIS001VG
1. CHECK DOOR MIRROR FUNCTION
Check the following.
Operation malfunction in memory control
NOTE:
If a door mirror face position is set to an implausible angle, the set position may not be reproduced.
OK or NG
OK >> GO TO 2.
NG >> Repair the malfunctioning parts, and check the symptom again.
2. CHECK MIRROR SENSOR INSPECTION
With CONSULT-II
Make sure “ON” is displayed on “MIR/SE LH R–L, MIR/SE LH U–D” in the DATA MONITOR.
Without CONSULT-II
1. Turn ignition switch to ACC position.
2. Check voltage between door mirror (driver side) connector and ground.
OK or NG
OK >> Driver side mirror sensor circuit is OK.
NG >> GO TO 3.
Monitor item
[OPERATION or UNIT] Contents
MIR/SE LH R–L “V” Voltage output from LH door mirror sensor
(LH/RH) is displayed.
MIR/SE LH U–D “V” Voltage output from LH door mirror sensor
(UP/DOWN) is displayed.
PIIA0197E
Con-
nector Terminals (Wire color)
Condition Voltage (V)
(Approx,)
(+) (–)
D2 2 (W)
Ground When motor is
UP or DOWN
operation Changes between
3 (close to perk) – 1 (close to valley)
10 (LG) When motor is
LEFT or RIGHT
operation Changes between
3 (close to right edge) –
1 (close to left edge)
PIIB8585E

SE-62
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Revision: 2006 July 2007 FX35/FX45
3. CHECK HARNESS CONTINUITY 1
1. Turn ignition switch OFF.
2. Disconnect automatic drive positioner control unit and door mirror (driver side) connector.
3. Check continuity between automatic drive positioner control unit connector M50 terminals 33, 41 and door mirror (driver side)
connector D2 terminals 1, 9.
4. Check continuity between automatic drive positioner control unit connector M49 terminals 33, 41 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness between automatic drive positioner control unit and door mirror (driver
side).
4. CHECK HARNESS CONTINUITY 2
1. Check continuity between automatic drive positioner control unit connector M49 terminal 6, 22 and door mirror (driver side) con-
nector D2 terminal 2, 10.
2. Check continuity between automatic drive positioner control unit connector M49 terminal 6, 22 and ground.
OK or NG
OK >> Check the condition of the harness and connector.
NG >> Repair or replace harness between automatic drive positioner control unit and door mirror (driver side).
Check Passenger Side Mirror Sensor Circuit NIS001VH
1. CHECK DOOR MIRROR FUNCTION
Check the following.
Operation malfunction in memory control
NOTE:
If a door mirror face position is set to an implausible angle, the set position may not be reproduced.
OK or NG
OK >> GO TO 2.
NG >> Repair the malfunctioning parts, and check the symptom again. 33 (G/W) – 1 (OR) : Continuity should exist.
41 (B/Y) – 9 (BR) : Continuity should exist.
33 (G/W) – Ground : Continuity should not exist.
41 (B/Y) – Ground : Continuity should not exist.
PIIB8586E
6 (P/L) – 2 (W) : Continuity should exist.
22 (L/Y) – 10 (LG) : Continuity should exist.
6 (P/L) – Ground : Continuity should not exist.
22 (L/Y) – Ground : Continuity should not exist.
PIIB8584E

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Revision: 2006 July 2007 FX35/FX45
2. CHECK MIRROR SENSOR INSPECTION
With CONSULT-II
Make sure “ON” is displayed on “MIR/SE RH R–L, MIR/SE RH U–D” in the DATA MONITOR.
Without CONSULT-II
1. Turn ignition switch to ACC position.
2. Check voltage between door mirror (passenger side) connector and ground.
OK or NG
OK >> Passenger side mirror sensor circuit is OK.
NG >> GO TO 3.
3. CHECK HARNESS CONTINUITY 1
1. Disconnect automatic drive positioner control unit and door mirror (passenger side) connector.
2. Check continuity between automatic drive positioner control unit connector M50 terminal 33, 41 and door mirror (passenger side)
connector D32 terminal 1, 9.
3. Check continuity between automatic drive positioner control unit connector M50 terminals 33, 41 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness between automatic drive positioner control unit and door mirror (pas- senger side).
Monitor item
[OPERATION or UNIT] Contents
MIR/SE RH R–L “V” Voltage output from RH door mirror sensor
(LH/RH) is displayed.
MIR/SE RH U–D “V” Voltage output from RH door mirror sensor
(UP/DOWN) is displayed.
PIIA0197E
Con-
nector Terminals (Wire color)
Condition Voltage (V)
(Approx.)
(+) (–)
D32 2 (LG)
Ground When motor is
UP or DOWN
operation Changes between
3 (close to perk) –
1 (close to valley)
10 (P) When motor is
LEFT or RIGHT
operation Changes between
1 (close to left edge) – 3 (close to right edge)
PIIB8585E
33 (G/W) – 1 (BR) : Continuity should exist.
41 (B/Y) – 9 (G) : Continuity should exist.
33 (G/W) – Ground : Continuity should not exist.
41 (B/Y) – Ground : Continuity should not exist.
PIIB8586E

SE-64
AUTOMATIC DRIVE POSITIONER
Revision: 2006 July 2007 FX35/FX45
4. CHECK HARNESS CONTINUITY 2
1. Check continuity between automatic drive positioner control unit connector M49 terminal 5, 21 and door mirror (passenger side)
connector D32 terminal 2, 10.
2. Check continuity between automatic drive positioner control unit connector M49 terminal 5, 21 and ground.
OK or NG
OK >> Check the condition of the harness and connector.
NG >> Repair or replace harness between automatic drive positioner control unit and door mirror (pas-
senger side).
Check Steering and Door Mirror Sensor Power Supply and Ground CircuitNIS001VI
1. CHECK STEERING AND DOOR MIRROR SENSOR POWER SUPPLY
1. Turn ignition switch OFF.
2. Check voltage between automatic drive positioner control unit connector M50 terminal 33 and ground.
OK or NG
OK >> GO TO 2.
NG >> Replace automatic drive positioner control unit.
2. CHECK STEERING AND DOOR MIRROR SENSOR GROUND CIRCUIT
Check continuity between automatic drive positioner control unit
connector M50 terminal 41 and ground.
OK or NG
OK >>
GO TO 3. (Door mirror sensor)

GO TO 4. (Steering sensor)
NG >> Replace automatic drive positioner control unit. 5 (OR) – 2 (LG) : Continuity should exist.
21 (G/Y) – 10 (P) : Continuity should exist.
5 (OR) – Ground : Continuity should not exist.
21 (G/Y) – Ground : Continuity should not exist.
PIIB8587E
33 (G/W) – Ground : Approx. 5V
PIIA4778E
41 (B/Y) – Ground : Continuity should exist.
PIIA4779E

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3. CHECK HARNESS CONTINUITY (DOOR MIRROR SENSOR)
1. Disconnect automatic drive positioner control unit and door mirror (driver side or passenger side) connec- tor.
2. Check continuity between automatic drive positioner control unit connector M50 terminal 33, 41 and door mirror connector D2
(driver side) or D32 (passenger side) terminal 1, 9.
3. Check continuity between automatic drive positioner control unit connector M50 terminal 33, 41 and ground.
OK or NG
OK >> Check the condition of the harness and connector.
NG >> Repair or replace harness between automatic drive positioner control unit and door mirror (driver side or passenger side).
4. CHECK HARNESS CONTINUITY (STEERING SENSOR)
1. Disconnect automatic drive positioner control unit and tilt sensor and telescopic sensor connector.
2. Check continuity between automatic drive positioner control unit connector M50 terminal 33, 41 and tilt sensor and telescopic
sensor connector M28 terminal 1, 4.
3. Check continuity between automatic drive positioner control unit connector M50 terminal 33, 41 and ground.
OK or NG
OK >> Check the condition of the harness and connector.
NG >> Repair or replace harness between automatic drive positioner control unit and tilt sensor and tele- scopic sensor.
Check Front Door Switch (Driver Side) CircuitNIS001VJ
1. CHECK FUNCTION (WITH CONSULT-II)
With CONSULT-II
Touch “BCM” with “DOOR SW-DR” on the DATA MONITOR, check ON/OFF operation when the driver door is
open and closed. *: Refer to BL-37, "
Data Monitor" .
OK or NG
OK >> Front door switch (driver side) circuit is OK.
NG >> GO TO 2. 33 (G/W) – 1 (OR) : Continuity should exist.
41 (B/Y) – 9 (BR) : Continuity should exist.
33 (G/W) – Ground : Continuity should not exist.
41 (B/Y) – Ground : Continuity should not exist.
PIIB8586E
33 (G/W) – 1 (G/W) : Continuity should exist.
41 (B/Y) – 4 (B/Y) : Continuity should exist.
33 (G/W) – Ground : Continuity should not exist.
41 (B/Y) – Ground : Continuity should not exist.
PIIB8588E
Monitor item
[OPERATION or UNIT] Contents
DOOR SW*
DR “ON/
OFF” Door open (ON)/door closed (OFF) status judged from
the driver door switch is displayed.
PIIA0291E

SRS-1
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
H RESTRAINTS
CONTENTS
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SRS
Revision: 2006 July 2007 FX35/FX45
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
PRECAUTIONS .......................................................... 3
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ............................................................. ..... 3
Precautions for SRS “AIR BAG” and “SEAT BELT
PRE-TENSIONER” Service ................................ ..... 3
Occupant Classification System Precaution ....... ..... 3
PREPARATION ...................................................... ..... 4
Commercial Service Tools ................................... ..... 4
SUPPLEMENTAL RESTRAINT SYSTEM (SRS) .. ..... 5
SRS Configuration .............................................. ..... 5
Front Seat Belt Pre-Tensioner with Load Limiter . ..... 6
Front Side Air Bag ............................................... ..... 6
Side Curtain Air Bag ............................................ ..... 6
Occupant Classification System (OCS) .............. ..... 7
Passenger Air Bag Status Condition ................... ..... 7
Component Parts of Occupant Classification Sys-
tem ...................................................................... ..... 7
Passenger Seatbelt Warning System .................. ..... 7
SYSTEM DESCRIPTION ................................. ..... 7
TROUBLE DIAGNOSIS ......................................... ..... 8
Trouble Diagnosis Introduction ............................ ..... 8
DIAGNOSIS FUNCTION .................................. ..... 8
HOW TO PERFORM TROUBLE DIAGNOSIS
FOR QUICK AND ACCURATE REPAIR .......... ..... 8
WORK FLOW ................................................... ..... 9
Component Parts Location .................................. ... 10
Schematic ........................................................... .... 11
Wiring Diagram — SRS — .................................. ... 12
CONSULT-II Function ......................................... ... 18
DIAGNOSIS MODE FOR CONSULT-II ............ ... 18
HOW TO CHANGE SELF-DIAGNOSIS MODE
WITH CONSULT-II ........................................... ... 18
HOW TO ERASE SELF-DIAGNOSTIC
RESULTS ......................................................... ... 19
Self-Diagnosis Function (Without CONSULT-II) .. ... 19
HOW TO CHANGE SELF-DIAGNOSIS MODE
WITHOUT CONSULT-II ................................... ... 19
HOW TO ERASE SELF-DIAGNOSIS RESULTS ... 19 SRS Operation Check .........................................
... 20
DIAGNOSTIC PROCEDURE 1 ........................ ... 20
Trouble Diagnosis with CONSULT-II ................... ... 22
DIAGNOSTIC PROCEDURE 2 ........................ ... 22
DIAGNOSTIC PROCEDURE 3 ........................ ... 27
DIAGNOSTIC PROCEDURE 4 (CONTINUED
FROM DIAGNOSTIC PROCEDURE 2) ........... ... 29
DIAGNOSTIC PROCEDURE 5 ........................ ... 29
Trouble Diagnosis without CONSULT-II .............. ... 35
DIAGNOSTIC PROCEDURE 6 ........................ ... 35
WARNING LAMP FLASH CODE CHART ........ ... 35
Trouble Diagnosis: “AIR BAG” Warning Lamp Does
Not Turn OFF ...................................................... ... 39
DIAGNOSTIC PROCEDURE 7 ........................ ... 39
Trouble Diagnosis: “AIR BAG” Warning Lamp Does
Not Turn ON ........................................................ ... 40
DIAGNOSTIC PROCEDURE 8 ........................ ... 40
Trouble Diagnosis: Passenger Seatbelt Warning
System ................................................................. ... 41
DRIVER AIR BAG MODULE ................................. ... 42
Removal and Installation ..................................... ... 42
REMOVAL ........................................................ ... 42
INSTALLATION ................................................ ... 43
SPIRAL CABLE ..................................................... ... 44
Removal and Installation ..................................... ... 44
REMOVAL ........................................................ ... 44
INSTALLATION ................................................ ... 45
FRONT PASSENGER AIR BAG MODULE ........... ... 46
Removal and Installation ..................................... ... 46
REMOVAL ........................................................ ... 46
INSTALLATION ................................................ ... 47
SIDE CURTAIN AIR BAG MODULE ..................... ... 48
Removal and Installation ..................................... ... 48
REMOVAL ........................................................ ... 48
INSTALLATION ................................................ ... 49
CRASH ZONE SENSOR ........................................ ... 50
Removal and Installation ..................................... ... 50
REMOVAL ........................................................ ... 50
INSTALLATION ................................................ ... 50