2007 INFINITI FX35 BCM

TROUBLE DIAGNOSES WT-31
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Revision: 2006 July 2007 FX35/FX45
Preliminary CheckNES000GZ
BASIC INSPECTION
1. CHECK ALL TIRE PRESSURES

Check all tire pressures. Refer to WT-41, "Tire" .
OK or NG
OK >> GO TO 2.
NG >> Adjust tire pressure to specified value.
2. CHECK LOW TIRE PRESSURE WARNING LAMP ACTIVATION
1. Check low tire pressure warning lamp activation.
2. Does low tire pressure warning lamp activate for 1 second when ignition switch is turned “ON”?
Does warning lamp activate?
YES >> GO TO 3.
NO >> Check fuse and combination meter.
3. CHECK CONNECTOR
1. Disconnect BCM harness connectors M3 and M4.
2. Check terminals for damage or loose connection.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace damaged parts.
4. CHECK TRANSMITTER TOOL

Check activation tool battery.
OK or NG
OK >> Perform self-diagnosis.
NG >> Replace activation tool battery.

WT-32
TROUBLE DIAGNOSES
Revision: 2006 July 2007 FX35/FX45
Malfunction Code/Symptom ChartNES000H0
Code/Symptom Malfunction part Reference
page
06
07
08
09 Front-left tire pressure drops to 86 kPa (0.88 kg/cm
2 , 12.5 psi) or less.
Front-right tire pressure drops to 86 kPa (0.88 kg/cm2 , 12.5 psi) or less.
Rear-right tire pressure drops to 86 kPa (0.88 kg/cm2 , 12.5 psi) or less.
Rear-left tire pressure drops to 86 kPa (0.88 kg/cm2 , 12.5 psi) or less. —
15
16
17
18 Front-left tire pressure drops to 173 kPa (1.8 kg/cm
2 , 25 psi) or less.
Front-right tire pressure drops to 173 kPa (1.8 kg/cm2 , 25 psi) or less.
Rear-right tire pressure drops to 173 kPa (1.8 kg/cm2 , 25 psi) or less.
Rear-left tire pressure drops to 173 kPa (1.8 kg/cm2 , 25 psi) or less. —
21
22
23
24 Transmitter no data (front - left)
Transmitter no data (front - right)
Transmitter no data (rear - right)
Transmitter no data (rear - left) WT-33
31
32
33
34 Transmitter checksum error (front - left)
Transmitter checksum error (front - right)
Transmitter checksum error (rear - right)
Transmitter checksum error (rear - left) WT-33
35
36
37
38 Transmitter pressure data error (front - left)
Transmitter pressure data error (front - right)
Transmitter pressure data error (rear - right)
Transmitter pressure data error (rear - left) WT-34
41
42
43
44 Transmitter function code error (front - left)
Transmitter function code error (front - right)
Transmitter function code error (rear - right)
Transmitter function code error (rear - left) WT-33
45
46
47
48 Transmitter battery voltage low (front - left)
Transmitter battery voltage low (front - right)
Transmitter battery voltage low (rear - right)
Transmitter battery voltage low (rear - left) WT-33
52 Vehicle speed signal
WT-35
Low tire pressure warning lamp does not
come on when ignition switch is turned
on. Fuse or combination meter
BCM connector or circuit
BCM WT-36
Low tire pressure warning lamp stays on
when ignition switch is turned on. Combination meter
BCM connector or circuit
BCM WT-36
Low tire pressure warning lamp blinks
when ignition switch is turned on. BCM connector or circuit
BCM
Transmitter's mode off
ID registration not yet WT-37
Run-flat tire warning lamp stays on when
ignition switch is turned on. Combination meter
Tire pressure DI-5
Turn signal lamp blinks when ignition
switch is turned on. BCM connector or circuit
BCM WT-38
ID registration can not be operated. Transmitter
Remote keyless entry receiver connector or circuit
Remote keyless entry receiver
BCM connector or circuit
BCM WT-38

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS WT-33
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Revision: 2006 July 2007 FX35/FX45
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMSPFP:00000
Transmitter or Control Unit (BCM)NES000H1
MALFUNCTION CODE NO. 21, 22, 23 OR 24
1. CHECK CONTROL UNIT

Drive for several minutes. Check all tire pressures with CONSULT-II “DATA MONITOR ITEM”.
Are all tire pressures displayed 0 kPa?
YES >> GO TO 2.
NO >> GO TO 3.
2. CHECK REMOTE KEYLESS ENTRY RECEIVER CONNECTOR
1. Disconnect remote keyless entry receiver harness connector M98.
2. Check terminals for damage or loose connection.
3. Reconnect harness connector.
OK or NG
OK >> Replace BCM refer to BCS-14, "Removal and Installation of BCM" , then GO TO 3.
NG >> Repair or replace remote keyless entry receiver harness connector.
3. ID REGISTRATION

Perform ID registration of all transmitters.
Is there any tire that ID can not be registered to?
YES >> Replace transmitter of the tire, then GO TO 5.
NO >> GO TO 4.
4. VEHICLE DRIVING

Drive at a speed of 40 km/h (25 MPH) or more for several minutes without stopping.
Check all tire pressures with CONSULT-II “DATA MONITOR ITEM” within 15 minutes after vehicle speed
becomes 17 km/h (11 MPH).
Does
“DATA MONITOR ITEM” display tire pressure as normal without any warning lamp?
YES >> INSPECTION END
NO >> GO TO 5.
5. ID REGISTRATION AND VEHICLE DRIVING
1. Perform ID registration of all transmitters.
2. Drive at a speed of 40 km/h (25 MPH) or more for 3 minutes, and then drive the vehicle at any speed for 10 minutes. Then check all tire pressures with CONSULT-II “DATA MONITOR ITEM” within 5 minutes.
Does
“DATA MONITOR ITEM” display tire pressure as normal without any warning lamp?
YES >> INSPECTION END
NO >> GO TO the inspection applicable to DTC.
Transmitter - 1NES000H2
MALFUNCTION CODE NO. 31, 32, 33, 34, 41, 42, 43, 44, 45, 46, 47 OR 48
1. ID REGISTRATION (CORRECTION OF TRANSMITTER LOCATION)
1. Perform ID registration of all transmitters.
2. Drive at a speed of 40 km/h (25 MPH) or more for 3 minutes, and then drive the vehicle at any speed for 10 minutes.
>> GO TO 2.

WT-34
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: 2006 July 2007 FX35/FX45
2. REPLACE TRANSMITTER
1. Check low tire pressure warning condition again, replace malfunctioning transmitter.
2. Perform ID registration of all transmitters.
Can ID registration of all transmitters be completed?
YES >> GO TO 3.
NO >> GO TO the inspection 1. Refer to WT-33, "
Transmitter or Control Unit (BCM)" .
3. VEHICLE DRIVING

Drive at a speed of 40 km/h (25 MPH) or more for 3 minutes, and then drive the vehicle at any speed for
10 minutes. Then check all tire pressures with CONSULT-II “DATA MONITOR ITEM” within 5 minutes.
Does
“DATA MONITOR ITEM” displayed tire pressure as normal without any warning lamp?
YES >> INSPECTION END.
NO >> Replace malfunctioning transmitter, and perform “Step 3” again.
Transmitter - 2NES000H3
MALFUNCTION CODE NO. 35, 36, 37 OR 38
1. CHECK ALL TIRE PRESSURES

Check all tire pressures. Refer to WT-41, "Tire" .
Are there any tires whose pressure is
“64 psi” or more?
YES >> Adjust tire pressure to specified value.
NO >> GO TO 2.
2. VEHICLE DRIVING
1. Perform ID registration of all transmitters.
2. Drive at a speed of 40 km/h (25 MPH) or more for several minutes without stopping. Check all tire pressures with CONSULT-II “DATA MONITOR ITEM” within 15 minutes after vehicle speed
become 17 km/h (11 MPH).
>> Replace transmitter with new one if “DATA MONITOR ITEM” displayed 64 psi or more. Then GO TO 3.
3. ID REGISTRATION AND VEHICLE DRIVING
1. Perform ID registration of all transmitters.
2. Drive at a speed of 40 km/h (25 MPH) or more for 3 minutes, and then drive the vehicle at any speed for 10 minutes. Then check all tire pressures with CONSULT-II “DATA MONITOR ITEM” within 5 minutes.
Does
“DATA MONITOR ITEM” display tire pressure as normal without any warning lamp?
YES >> INSPECTION END
NO >> GO TO the inspection applicable to DTC.

WT-36
TROUBLE DIAGNOSIS FOR SYMPTOMS
Revision: 2006 July 2007 FX35/FX45
TROUBLE DIAGNOSIS FOR SYMPTOMSPFP:00007
Low Tire Pressure Warning Lamp Does Not Come On When Ignition Switch Is
Tu r n e d O n
NES000H5
DIAGNOSTIC PROCEDURE
1. CHECK SELF-DIAGNOSIS RESULTS
1. Perform “CONSULT-II Start Procedure”. Refer to GI-38, "
CONSULT-II Start Procedure" .
2. Select “SELF-DIAG RESULTS” on “SELECT DIAG MODE” screen.
3. Check display contents in self-diagnostic results.
Is
“CAN COMM CIRCUIT” displayed in the self-diagnosis display items?
YES >> Malfunction in CAN communication system. GO TO LAN-49, "CAN System Specification Chart" .
NO >> No malfunction. GO TO 2.
2. CHECK COMBINATION METER

Check combination meter function.
OK or NG
OK >> GO TO 3.
NG >> Check combination meter. Refer to DI-5, "
System Description" .
3. CHECK LOW TIRE PRESSURE WARNING LAMP

Disconnect BCM harness connectors M3 and M4.
Does the warning lamp activate?
YES >> Replace BCM. Refer to BCS-14, "Removal and Installation of BCM" .
NO >> Check combination meter and repair or replace.
Low Tire Pressure Warning Lamp Stays On When Ignition Switch Is Turned OnNES000H6
DIAGNOSTIC PROCEDURE
1. CHECK CONNECTOR
1. Disconnect BCM harness connectors M3 and M4.
2. Check terminals for damage or loose connections.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace damaged parts.
2. CHECK POWER SUPPLY CIRCUIT (BATTERY)
Make sure voltage between BCM harness connector M4 and
ground.
OK or NG
OK >> GO TO 3.
NG >> Check BCM power supply circuit for open or short.
Te r m i n a l Voltage
(+) (–)
42, 55 Ground 12V
SEIA0435E

TROUBLE DIAGNOSIS FOR SYMPTOMS WT-37
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Revision: 2006 July 2007 FX35/FX45
3. CHECK POWER SUPPLY CIRCUIT (IGN)
1. Turn ignition switch ON.
2. Make sure voltage between BCM harness connector M3 and ground.
OK or NG
OK >> GO TO 4.
NG >> Check BCM power supply circuit for open or short.
4. CHECK GROUND CIRCUIT

Check continuity between BCM harness connector M4 and
ground.
OK or NG
OK >> Replace BCM. Refer to BCS-14, "Removal and Installa-
tion of BCM" .
NG >> Repair or replace BCM ground circuit.
Low Tire Pressure Warning Lamp Blinks When Ignition Switch Is Turned OnNES000H7
NOTE:
If warning lamp blink below, the system is normal.
Blink Mode A

This mode shows transmitter status is OFF-mode.
Perform transmitter wake up operation. Refer to WT-22, "
Trans-
mitter Wake Up Operation" .
DIAGNOSTIC PROCEDURE
1. CHECK CONNECTOR
1. Disconnect BCM harness connector M3.
2. Check terminals for damage or loose connections.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace damaged parts.
Terminal Voltage
(+) (–)
38 Ground 12V
SEIA0436E
Terminal Continuity
(+) (–)
49, 52 Ground Yes
SEIA0610E
SEIA0347E

WT-38
TROUBLE DIAGNOSIS FOR SYMPTOMS
Revision: 2006 July 2007 FX35/FX45
2. CHECK TIRE PRESSURE WARNING CHECK SWITCH CIRCUIT

Check continuity between BCM harness connector M3 and
ground.
OK or NG
OK >> Replace BCM. Refer to BCS-14, "Removal and Installa-
tion of BCM" .
NG >> Repair or replace harness connector.
Run-Flat Tire Warning Lamp Stays On When Ignition Switch is Turned OnNES000L0
DIAGNOSTIC PROCEDURE
1. CHECK ALL TIRE PRESSURES

Check all tire pressures. Refer to WT-41, "Tire" .
OK or NG
OK >> Check combination meter. Refer to DI-5, "COMBINATION METERS" .
NG >> Adjust tire pressure to specified value or change the tires.
Turn Signal Lamp Blinks When Ignition Switch Is Turned OnNES000H8
DIAGNOSTIC PROCEDURE
1. CHECK TIRE PRESSURE WARNING CHECK SWITCH CIRCUIT

Check continuity between BCM harness connector M3 and
ground.
OK or NG
OK >> Check turn signal lamp operation. Refer to LT- 9 0 , "Sys-
tem Description" .
NG >> Repair or replace harness connector.
ID Registration Can Not Be CompletedNES000H9
DIAGNOSTIC PROCEDURE
1. ID REGISTRATION (ALL)

Perform ID registration of all transmitters.
Can ID registration of all transmitters be completed?
YES >> INSPECTION END
NO >> GO TO WT-33, "
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS" .
Terminal
Continuity
(+) (–)
15 Ground No
SEIA0438E
Terminal Continuity
(+) (–)
15 Ground No
SEIA0438E

WW-1
WIPER, WASHER & HORN
K ELECTRICAL
CONTENTS
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SECTION
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Revision: 2006 July 2007 FX35/FX45
WIPER, WASHER & HORN
PRECAUTION ............................................................ 3
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ............................................................. ..... 3
FRONT WIPER AND WASHER SYSTEM ............. ..... 4
Components Parts and Harness Connector Loca-
tion ...................................................................... ..... 4
System Description ............................................. ..... 4
OUT LINE ......................................................... ..... 4
LOW SPEED WIPER OPERATION ................. ..... 5
HIGH SPEED WIPER OPERATION ................ ..... 5
INTERMITTENT OPERATION ......................... ..... 5
AUTO STOP OPERATION ............................... ..... 6
WASHER OPERATION .................................... ..... 6
MIST OPERATION ........................................... ..... 6
FAIL-SAFE FUNCTION .................................... ..... 7
COMBINATION SWITCH READING FUNCTION ..... 8
CAN Communication System Description ........... ... 10
CAN Communication Unit ................................... ... 10
Schematic ........................................................... .... 11
Wiring Diagram — WIPER — ............................. ... 12
Terminals and Reference Values for BCM .......... ... 15
Terminals and Reference Values for IPDM E/R .. ... 18
How to Proceed With Trouble Diagnosis ............. ... 19
Preliminary Check ............................................... ... 19
CHECK POWER SUPPLY AND GROUND CIR-
CUIT ................................................................. ... 19
CONSULT-II Functions (BCM) ............................ ... 20
CONSULT-II BASIC OPERATION .................... ... 20
WORK SUPPORT ............................................ ... 20
DATA MONITOR .............................................. ... 20
ACTIVE TEST .................................................. ... 21
CONSULT-II Functions (IPDM E/R) .................... ... 22
CONSULT-II BASIC OPERATION .................... ... 22
DATA MONITOR .............................................. ... 22
ACTIVE TEST .................................................. ... 22
Front Wiper Does Not Operate ........................... ... 23
Front Wiper Does Not Return to Stop Position .... ... 25
Only Front Wiper Low Does Not Operate ........... ... 26
Only Front Wiper Hi Does Not Operate ............... ... 28 Only Front Wiper Intermittent Does Not Operate ... 29
Front Wiper Interval Time Is Not Controlled by Vehi-
cle Speed ............................................................. ... 29
Front Wiper Intermittent Operation Switch Position
Cannot Be Adjusted ............................................. ... 30
Wiper Does Not Wipe When Front Washer Operates ... 30
After Front Wiper Operate for 10 Seconds, They
Stop for 20 Seconds, and After Repeating the Oper-
ations Five Times, They Become Inoperative ..... ... 31
Front Wiper Does Not Stop .................................. ... 32
Removal and Installation of Front Wiper Arms,
Adjustment of Wiper Arms Stop Location ............ ... 33
REMOVAL ........................................................ ... 33
INSTALLATION ................................................ ... 33
Removal and Installation of Front Wiper Drive
Assembly ............................................................. ... 33
REMOVAL ........................................................ ... 33
INSTALLATION ................................................ ... 34
Disassembly and Assembly of Front Wiper Drive
Assembly ............................................................. ... 34
DISASSEMBLY ................................................ ... 34
ASSEMBLY ...................................................... ... 34
Washer Nozzle Adjustment ................................. ... 35
Washer Tube Layout ........................................... ... 36
Removal and Installation of Front Washer Nozzle ... 36
Removal and Installation of Front Washer Tube
Joint ..................................................................... ... 36
REMOVAL ........................................................ ... 36
INSTALLATION ................................................ ... 36
Inspection of Washer Nozzle ............................... ... 37
CHECK VALVE ................................................. ... 37
Inspection of Front Wiper and Washer Switch Circuit ... 37
Removal and Installation of Front Wiper and Washer
Switch .................................................................. ... 37
REMOVAL ........................................................ ... 37
INSTALLATION ................................................ ... 37
Removal and Installation of Washer Tank ........... ... 37
REMOVAL ........................................................ ... 37