Infiniti G35 (V35) Sedan. Manual - part 467

EC-14

< BASIC INSPECTION >

[VQ35HR]

INSPECTION AND ADJUSTMENT

10.

CHECK IGNITION TIMING

1.

Run engine at idle.

2.

Check ignition timing with a timing light.

Refer to 

EC-16, "IGNITION TIMING : Special Repair Require-

ment"

.

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-18, "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.
Refer to 

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

.

Is the inspection result normal?

YES

>> GO TO 15.

NO

>> GO TO 17.

15.

CHECK IGNITION TIMING AGAIN

1.

Run engine at idle.

A

:Timing indicator

A/T with 4WAS

: 11 

±

 5

°

 BTDC (in P or N position)

A/T without 4WAS

: 15 

±

 5

°

 BTDC (in P or N position)

M/T with 4WAS

: 11 

±

 5

°

 BTDC (in Neutral position)

M/T without 4WAS

: 15 

±

 5

°

 BTDC (in Neutral position)

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A/T

: 650 

±

 50 rpm (in P or N position)

M/T

: 650 

±

 50 rpm (in Neutral position)

INSPECTION AND ADJUSTMENT

EC-15

< BASIC INSPECTION >

[VQ35HR]

C

D

E

F

G

H

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K

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M

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EC

N

P

O

2.

Check ignition timing with a timing light.

Refer to 

EC-16, "IGNITION TIMING : Special Repair Require-

ment"

.

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-49, "Removal and Installation"

.

Is the inspection result normal?

YES

>> GO TO 17.

NO

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

17.

DETECT MALFUNCTIONING PART

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

EC-262, "Component Inspection"

.

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

EC-257, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 18.

NO

>> Repair or replace. 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

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

.

>> 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:0000000000956460

When replacing ECM, this procedure must be performed.

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

INFOID:0000000000956461

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.

A

:Timing indicator

A/T with 4WAS

: 11 

±

 5

°

 BTDC (in P or N position)

A/T without 4WAS

: 15 

±

 5

°

 BTDC (in P or N position)

M/T with 4WAS

: 11 

±

 5

°

 BTDC (in Neutral position)

M/T without 4WAS

: 15 

±

 5

°

 BTDC (in Neutral position)

JMBIA0054ZZ

EC-16

< BASIC INSPECTION >

[VQ35HR]

INSPECTION AND ADJUSTMENT

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-18, "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

Refer to 

EC-20, "EXHAUST VALVE TIMING CONTROL LEARNING : Special Repair Requirement"

.

>> END

IDLE SPEED

IDLE SPEED : Description

INFOID:0000000000956462

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

IDLE SPEED : Special Repair Requirement

INFOID:0000000000956463

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:0000000000956464

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

IGNITION TIMING : Special Repair Requirement

INFOID:0000000000956465

1.

CHECK IGNITION TIMING

1.

Attach timing light to loop wire as shown.

INSPECTION AND ADJUSTMENT

EC-17

< BASIC INSPECTION >

[VQ35HR]

C

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2.

Check ignition timing.

>> INSPECTION END

VIN REGISTRATION

VIN REGISTRATION : Description

INFOID:0000000000956466

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).

VIN REGISTRATION : Special Repair Requirement

INFOID:0000000000956467

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:0000000000956468

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:0000000000956469

1.

START

1.

Make sure 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.

1.

Loop wire

A.

Timing light

B.

Timing indicator

JMBIA0026ZZ