2007 INFINITI M35 check engine

IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)
BL-271
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Revision: 2007 April2007 M35/M45
8. CHECK TURNING TIMING OF POWER SOURCE POSITION 2
Check all the Intelligent Keys for power source turning delay time after Push-button ignition switch is pushed
with Intelligent Key inserted into key slot. (Approx. 3 sec)
CAUTION:
Operate Push-button ignition switch without depressing the brake pedal.
No delay time exists>>GO TO 9.
Delay time exists when operated with particular Intelligent Key.>>Perform “C/U INITIALIZATION” referring to
CONSULT-II operation manual IVIS/NVIS NATS. In case that delay time still exists after the initial-
ization, replace the Intelligent Key.
Delay time exists when operated with any of the Intelligent Keys.>>Perform Trouble diagnosis symptom
chart 3. Refer to BL-178, "
Trouble Diagnosis Symptom Chart 3" .
9. CHECK ENGINE START FUNCTION
Check that engine can be started with Intelligent Key carried and inserted into the key slot respectively.
Engine can be started.>>GO TO 10.
Engine cannot be started.>>Inspect Trouble Diagnosis Flow Chart for IVIS (NATS). Refer to BL-272, "
Trou-
ble Diagnoses Flow Chart for IVIS (NATS)" .
10. CHECK SECURITY INDICATOR FUNCTION
Check Security Indicator for lighting up under the two conditions below.

Security Indicator lights off when Push-button ignition switch is pushed with Intelligent Key inserted into or
pulled out of the key slot.

Security Indicator blinks when Intelligent Key is pulled out and Push-button ignition switch is in lock posi-
tion.
Lighting up condition is normal.>>Inspection END.
Lighting up condition is malfunctioning.>>Perform Security Indicator Inspection. Refer to BL-274, "
Symptom
Chart for Security Indicator" .

BL-272
IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)
Revision: 2007 April2007 M35/M45
Trouble Diagnoses Flow Chart for IVIS (NATS)NIS0020P
NOTE:
This procedure is used to resolve the engine start malfunction when the Intelligent Key inserted into the key
slot is used.
1. CHECK ENGINE FOR START
Check that the engine can be started when Push-button ignition switch is operated with Intelligent Key
inserted into the key slot.
NG >> GO TO 2.
OK >> System is normal.
2. CONFIRM SELF DIAGNOSIS
Confirm SELF DIAGNOSIS “NATS V5.0” using CONSULT-II.
NOTE:
NATS program card is necessary to display the “SELF DIAGNOSIS”.
No malfunction>>Re-check the engine for start according to “Work Flow”. Refer to BL-269, "
Work Flow" .
Malfunction related to IVIS (NATS) is displayed.>>GO TO 3.
Malfunctions related to “DON'T ERASE BEFORE CHECKING ENG DIAG” and IVIS (NATS) are displayed>>
GO TO 6.
3. TROUBLE DIAGNOSIS
Repair IVIS (NATS) according to “SELF DIAGNOSIS”.
>> GO TO 4.
4. ERASE SELF DIAGNOSIS
Erase the record of “SELF DIAGNOSIS” using CONSULT-II.
>> GO TO 5.
5. CHECK ENGINE FOR START
Check that the engine can be started when Push-button ignition switch is operated with Intelligent Key
inserted into the key slot.
NG >> GO TO 2.
OK >> Inspection END.
6. CONFIRM SELF DIAGNOSIS DISPLAY
IVIS (NATS) malfunction information and “DON'T ERASE BEFORE CHECKING ENG DIAG” are displayed on
the CONSULT-II screen.
NOTE:
This indication means that malfunctions have been detected in IVIS (NATS) and engine control system.
>> GO TO 7.

IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)
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Revision: 2007 April2007 M35/M45
7. TROUBLE DIAGNOSIS
Repair IVIS (NATS) according to “SELF DIAGNOSIS”.
NOTE:
Do not erase “SELF DIAGNOSIS” using CONSULT-II.
>> GO TO 8.
8. CONFIRM SELF DIAGNOSIS
Confirm SELF DIAGNOSIS “ECM” using CONSULT-II.
>> GO TO 9.
9. CONFIRM SELF DIAGNOSIS DISPLAY
In case that malfunction of engine control system is displayed other than “NATS MALFUNCTION” in “SELF
DIAGNOSIS”, repair engine control system.
NOTE:
In case that only “NATS MALFUNCTION” is displayed, erase record of “SELF DIAGNOSIS”.
>> GO TO 10.
10. CHECK ENGINE FOR START
Check that the engine can be started when Push-button ignition switch is operated with Intelligent Key
inserted into the key slot.
NG >> GO TO 2.
OK >> GO TO 11.
11 . CONFIRM SELF DIAGNOSIS
Confirm SELF DIAGNOSIS “ECM” using CONSULT-II.
“NO DTC” is displayed.>>Inspection END.
Malfunction information is displayed.>>GO TO 2.

BL-274
IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)
Revision: 2007 April2007 M35/M45
Symptom Chart for Security IndicatorNIS0020Q
Security indicator does not turn ON or flash.
CAUTION:

Follow Trouble Diagnosis Flowchart referring to “Diagnosis Procedure”. Determine malfunction-
ing condition before performing this diagnosis.

Make sure that vehicle is under the condition shown in “Conditions of vehicle” before starting
diagnosis.

Check systems shown in the “Action” column in this order.
CONDITIONS OF VEHICLE (OPERATING CONDITIONS)

Intelligent Key is not inserted into key slot.

Engine switch is not depressed.
Check Security Indicator HarnessNIS0020R
1. SECURITY INDICATOR LAMP ACTIVE TEST
With CONSULT-II
Check (“THEFT IND”) in “ACTIVE TEST” mode with CONSULT-II.
OK or NG
OK >> Security indicator lamp is OK.
NG >> GO TO 2.
Action Reference page
1. Check security indicator harnessBL-274
2. Replace BCMBCS-15
Perform operation shown on display indicator lamp
should illuminate.
PIIA7005E

BL-276
IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)
Revision: 2007 April2007 M35/M45
2. CHECK POWER SUPPLY CIRCUIT FOR BCM
Check voltage between BCM and ground with CONSULT-II or tester.
OK or NG
OK >> GO TO 3.
NG >> Check the following.

50A fusible link (letter F , located in the fuse and fusible link box)

10A fuse [No.21, located in the fuse block (J/B)]

15A fuse [No. 1, located in the fuse block (J/B)]

Harness for open or short between fusible link and BCM

Harness for open or short between fuse and BCM
3. CHECK GROUND CIRCUIT FOR BCM
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check continuity between BCM connector and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness.
4. REPLACE BCM
1. Replace BCM
2. Perform initialization with CONSULT-II.
For initialization, refer to “CONSULT-II Operation Manual NATS-IVIS/NVIS”.
Does the engine start?
Yes >> BCM is malfunctioning.

Replace BCM.

Perform initialization with CONSULT-II

For initialization, refer to “CONSULT-II Operation Manual NATS-IVIS/NVIS”
No >> ECM is malfunctioning.

Replace ECM.

Perform initialization or re-communicating function

For initialization, refer to “CONSULT-II Operation Manual NATS-IVIS/NVIS”

For re-communicating function, refer to BL-248, "ECM Re-Communicating Function"
Te r m i n a l s
Condition of
ignition switchVoltage (V)
(Approx.) (+)
(–)
BCM connector Terminal
M1 38
GroundON
Battery voltage
M242
OFF
55
PIIB5934E
BCM connector Terminal
GroundContinuity
M2 52 Yes
PIIB5935E

BR-6
BRAKE PEDAL
Revision: 2007 April2007 M35/M45
BRAKE PEDALPFP:46501
Inspection and AdjustmentNFS000RT
Play and clearance inspection between brake pedal and floor panel with pedal depressed.

Check brake pedal play.

Check brake pedal height from dash lower panel (1).

Adjust height referring to the following specifications.
ADJUSTMENT
1. Loosen stop lamp switch and brake switch by turning it counter-
clockwise by 45°.
2. Loosen lock nut (A) on the input rod to rotate input rod for adjust-
ing brake pedal height to the specified one, and tighten lock nut
(A). Refer to BR-18, "
COMPONENTS" .
CAUTION:
Make sure the threaded end of input rod stays inside clevis.
3. With the pedal pulled and held by hand, press stop lamp switch
and brake switch until its threaded end contacts stopper.
4. With the threaded end of the stop lamp switch and brake switch
contacting the bracket, rotate the switch clockwise by 45° to
secure.
CAUTION:
Make sure that the clearance “C” between bracket and end
of stop lamp switch and brake switch is within the standard.
5. Check pedal play.
CAUTION:
Make sure that stop lamps goes off when pedal is released.
6. Start engine to check brake pedal depression height when
depressed. Refer to BR-6, "
Inspection and Adjustment" .
H1Brake pedal height
[from dash lower panel (1) top surface]157 − 167 mm (6.18 −
6.57 in)
H
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Depressed brake pedal height
[under a force of 490 N (50 kg, 110 lb) with
engine running]90 mm (3.54 in) or more
CClearance between threaded end of the stop
lamp switch/brake switch (2) and bracket (3)0.74 − 1.96 mm (0.0291 −
0.0772 in)
A Pedal play3 − 11 mm (0.12 − 0.43
in)
SFIA2743J
PFIA0824E

BR-8
BRAKE PEDAL
Revision: 2007 April2007 M35/M45
REMOVAL
1. Remove instrument driver lower panel. Refer to IP-10, "INSTRUMENT PANEL ASSEMBLY" .
2. Remove steering column assembly. Refer to PS-13, "
STEERING COLUMN" .
3. Disconnect stop lamp switch and brake switch connector.
4. Remove stop lamp switch and brake switch from brake pedal assembly.
5. Disconnect brake pedal stroke sensor connector.(With pre-crash seat belt)
CAUTION:
Brake pedal stroke sensor is not detachable. Do not detach it.
6. Remove snap pin and clevis pin from clevis of brake booster.
7. Remove brake pedal assembly mounting nuts. Pull brake booster toward engine room to the extent that
does not deform brake tube.
8. Remove brake booster clevis from input rod.
9. Remove mounting bolt and then remove brake pedal assembly from vehicle.
INSPECTION AFTER REMOVAL

Check the items below. If any is found, replace brake pedal
assembly.
–Check brake pedal upper rivet for deformation.
–Make sure that joint length “L” of sub-bracket and sliding plate is
4 mm (0.16 in) or more.
–Check brake pedal for bend, damage, and cracks on the welded
parts.

Check clevis pin and plastic stopper for damage and deforma-
tion. If any is found, replace clevis pin.
INSTALLATION
Installation is the reverse order of removal. Tightening torques for brake pedal assembly mounting nuts and
bolt are referred to BR-7, "
COMPONENTS" . Tightening torque for lock nut is referred to BR-18, "COMPO-
NENTS" .

Adjust brake pedal height after installing brake pedal assembly to vehicle. Refer to BR-6, "Inspection and
Adjustment" .
SFIA2487E
SBR997

BRAKE FLUID
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Revision: 2007 April2007 M35/M45
BRAKE FLUIDPFP:KN100
On-Board Inspection NFS000RV
CHECKING BRAKE FLUID LEVEL

Make sure that a brake fluid level in reservoir tank is within the
standard (between MAX and MIN lines).

Visually check around reservoir tank for fluid leakage.

If the level is excessively low, check brake system for leakage.

Release parking brake pedal and see if brake warning lamp
goes off. If not, check brake system for fluid leakage.
Checking Brake LineNFS000RW
CAUTION:
If leakage occurs around joints, retighten or, if necessary, replace damaged parts.
1. Check brake line (tubes and hoses) for cracks, deterioration or other damage. Replace any damaged
parts.
2. Check for oil leakage by fully depressing brake pedal while
engine is running.
Drain and RefillNFS000RX
CAUTION:

Refill with new brake fluid “DOT 3”.

Never reuse drained brake fluid.

Be careful not to splash brake fluid on painted areas; it may cause paint damage. If brake fluid is
splashed on painted areas, wash it away with water immediately.

Before working, disconnect connectors of ABS actuator and electric unit (control unit) or battery
cable from the negative terminal.
1. Connect a vinyl tube to bleed valve.
2. Depress brake pedal, loosen bleed valve, and gradually remove
brake fluid.
SFIA2484E
SBR389C
BRA0007D