Infiniti EX35. Manual - part 568

 

  Index      Infiniti     Infiniti EX35 - service repair manual 2008 year

 

Search            

 

 

 

 

 

 

 

 

 

Content   ..  566  567  568  569   ..

 

 

Infiniti EX35. Manual - part 568

 

 

EC-14

< BASIC INSPECTION >

[VQ35HR]

INSPECTION AND ADJUSTMENT

2.

Check ignition timing with a timing light.

For procedure, refer to 

EC-16, "IGNITION TIMING : Special

Repair Requirement"

.

For specification, refer to 

EC-543, "Ignition Timing"

.

Is the inspection result normal?

YES

>> GO TO 19.

NO

>> GO TO 11.

11.

PERFORM ACCELERATOR PEDAL RELEASED POSITION LEARNING

1.

Stop engine.

2.

Perform 

EC-17, "ACCELERATOR PEDAL RELEASED POSITION LEARNING : Special Repair Require-

ment"

.

>> GO TO 12.

12.

PERFORM THROTTLE VALVE CLOSED POSITION LEARNING

Perform 

EC-17, "THROTTLE VALVE CLOSED POSITION LEARNING : Special Repair Requirement"

.

>> GO TO 13.

13.

PERFORM IDLE AIR VOLUME LEARNING

Perform 

EC-18, "IDLE AIR VOLUME LEARNING : Special Repair Requirement"

.

Is Idle Air Volume Learning carried out successfully?

YES

>> GO TO 14.

NO

>> Follow the instruction of Idle Air Volume Learning. Then GO TO 4.

14.

CHECK TARGET IDLE SPEED AGAIN

1.

Start engine and warm it up to normal operating temperature.

2.

Check idle speed.
For procedure, refer to 

EC-16, "IDLE SPEED : Special Repair Requirement"

.

For specification, refer to 

EC-543, "Idle Speed"

.

Is the inspection result normal?

YES

>> GO TO 15.

NO

>> GO TO 17.

15.

CHECK IGNITION TIMING AGAIN

1.

Run engine at idle.

2.

Check ignition timing with a timing light.

For procedure, refer to 

EC-16, "IGNITION TIMING : Special

Repair Requirement"

.

For specification, refer to 

EC-543, "Ignition Timing"

.

Is the inspection result normal?

YES

>> GO TO 19.

NO

>> GO TO 16.

16.

CHECK TIMING CHAIN INSTALLATION

Check timing chain installation. Refer to 

EM-51, "Removal and Installation"

.

Is the inspection result normal?

YES

>> GO TO 17.

NO

>> Repair the timing chain installation. Then GO TO 4.

A

:Timing indicator

JMBIA0054ZZ

A

:Timing indicator

JMBIA0054ZZ

INSPECTION AND ADJUSTMENT

EC-15

< BASIC INSPECTION >

[VQ35HR]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

17.

DETECT MALFUNCTIONING PART

Check the following.
• Check camshaft position sensor (PHASE) and circuit. Refer to 

EC-260, "Component Inspection"

.

• Check crankshaft position sensor (POS) and circuit. Refer to 

EC-255, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 18.

NO

>> Repair or replace malfunctioning part. Then GO TO 4.

18.

CHECK ECM FUNCTION 

1.

Substitute another known-good ECM to check ECM function. (ECM may be the cause of an incident, but
this is a rare case.)

2.

Perform initialization of IVIS (NATS) system and registration of all IVIS (NATS) ignition key IDs. Refer to .

>> GO TO 4.

19.

INSPECTION END

If ECM is replaced during this BASIC INSPECTION procedure, go to 

EC-15, "ADDITIONAL SERVICE WHEN

REPLACING CONTROL UNIT : Special Repair Requirement"

.

>> INSPECTION END

ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT

ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Description

INFOID:0000000003133229

When replacing ECM, this procedure must be performed.

ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Re-
quirement

INFOID:0000000003133230

1.

PERFORM INITIALIZATION OF NATS SYSTEM AND REGISTRATION OF ALL NATS IGNITION KEY IDS

Refer to 

SEC-8, "ECM RE-COMMUNICATING FUNCTION : Special Repair Requirement"

.

>> GO TO 2.

2.

PERFORM VIN REGISTRATION

Refer to 

EC-17, "VIN REGISTRATION : Special Repair Requirement"

.

>> GO TO 3.

3.

PERFORM ACCELERATOR PEDAL RELEASED POSITION LEARNING

Refer to 

EC-17, "ACCELERATOR PEDAL RELEASED POSITION LEARNING : Special Repair Requirement"

.

>> GO TO 4.

4.

PERFORM THROTTLE VALVE CLOSED POSITION LEARNING

Refer to 

EC-17, "THROTTLE VALVE CLOSED POSITION LEARNING : Special Repair Requirement"

.

>> GO TO 5.

5.

PERFORM IDLE AIR VOLUME LEARNING

Refer to 

EC-18, "IDLE AIR VOLUME LEARNING : Special Repair Requirement"

.

>> GO TO 6.

6.

PERFORM EXHAUST VALVE TIMING CONTROL LEARNING

EC-16

< BASIC INSPECTION >

[VQ35HR]

INSPECTION AND ADJUSTMENT

Refer to 

EC-19, "EXHAUST VALVE TIMING CONTROL LEARNING : Special Repair Requirement"

.

>> END

IDLE SPEED

IDLE SPEED : Description

INFOID:0000000003133231

This describes how to check the idle speed. For the actual procedure, follow the instructions in “BASIC
INSPECTION”.

IDLE SPEED : Special Repair Requirement

INFOID:0000000003133232

1.

CHECK IDLE SPEED

With CONSULT-III

Check idle speed in “DATA MONITOR” mode with CONSULT-III.

With GST

Check idle speed with Service $01 of GST.

>> INSPECTION END

IGNITION TIMING

IGNITION TIMING : Description

INFOID:0000000003133233

This describes how to check the ignition timing. For the actual procedure, follow the instructions in “BASIC
INSPECTION”.

IGNITION TIMING : Special Repair Requirement

INFOID:0000000003133234

1.

CHECK IGNITION TIMING

1.

Attach timing light to loop wire as shown.

2.

Check ignition timing.

>> INSPECTION END

VIN REGISTRATION

VIN REGISTRATION : Description

INFOID:0000000003133235

VIN Registration is an operation to registering VIN in ECM. It must be performed each time ECM is replaced.
NOTE:
Accurate VIN which is registered in ECM may be required for Inspection & Maintenance (I/M).

1.

Loop wire

A.

Timing light

B.

Timing indicator

JMBIA0026ZZ

INSPECTION AND ADJUSTMENT

EC-17

< BASIC INSPECTION >

[VQ35HR]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

VIN REGISTRATION : Special Repair Requirement

INFOID:0000000003133236

1.

CHECK VIN

Check the VIN of the vehicle and note it. Refer to 

GI-20, "Information About Identification or Model Code"

.

>> GO TO 2.

2.

PERFORM VIN REGISTRATION

With CONSULT-III

1.

Turn ignition switch ON and engine stopped.

2.

Select “VIN REGISTRATION” in “WORK SUPPORT” mode.

3.

Follow the instruction of CONSULT-III display.

>> END

ACCELERATOR PEDAL RELEASED POSITION LEARNING

ACCELERATOR PEDAL RELEASED POSITION LEARNING : Description

INFOID:0000000003133237

Accelerator Pedal Released Position Learning is a function of ECM to learn the fully released position of the
accelerator pedal by monitoring the accelerator pedal position sensor output signal. It must be performed each
time harness connector of accelerator pedal position sensor or ECM is disconnected.

ACCELERATOR PEDAL RELEASED POSITION LEARNING : Special Repair Re-
quirement

INFOID:0000000003133238

1.

START

1.

Check that accelerator pedal is fully released.

2.

Turn ignition switch ON and wait at least 2 seconds.

3.

Turn ignition switch OFF and wait at least 10 seconds.

4.

Turn ignition switch ON and wait at least 2 seconds.

5.

Turn ignition switch OFF and wait at least 10 seconds.

>> END

THROTTLE VALVE CLOSED POSITION LEARNING

THROTTLE VALVE CLOSED POSITION LEARNING : Description

INFOID:0000000003133239

Throttle Valve Closed Position Learning is a function of ECM to learn the fully closed position of the throttle
valve by monitoring the throttle position sensor output signal. It must be performed each time harness connec-
tor of electric throttle control actuator or ECM is disconnected.

THROTTLE VALVE CLOSED POSITION LEARNING : Special Repair Requirement

INFOID:0000000003133240

1.

START

1.

Check that accelerator pedal is fully released.

2.

Turn ignition switch ON.

3.

Turn ignition switch OFF and wait at least 10 seconds.
Check that throttle valve moves during above 10 seconds by confirming the operating sound.

>> END

IDLE AIR VOLUME LEARNING

IDLE AIR VOLUME LEARNING : Description

INFOID:0000000003133241

Idle Air Volume Learning is a function of ECM to learn the idle air volume that keeps engine idle speed within
the specific range. It must be performed under any of the following conditions:

 

 

 

 

 

 

 

Content   ..  566  567  568  569   ..