Infiniti G35 (V35). Manual — part 298

BASIC SERVICE PROCEDURE

EC-73

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EC

6.

PERFORM IDLE AIR VOLUME LEARNING

Refer to

EC-79, "Idle Air Volume Learning"

.

Is Idle Air Volume Learning carried out successfully?

Yes or No

Yes

>> GO TO 7.

No

>> 1. Follow the instruction of Idle Air Volume Learning.

2. GO TO 4.

7.

CHECK TARGET IDLE SPEED AGAIN

With CONSULT-II

1.

Start engine and warm it up to normal operating temperature.

2.

Read idle speed in “DATA MONITOR” mode with CONSULT-II.
Refer to

EC-76, "IDLE SPEED"

.

Without CONSULT-II

1.

Start engine and warm it up to normal operating temperature.

2.

Check idle speed.
Refer to

EC-76, "IDLE SPEED"

.

OK or NG

OK

>> GO TO 10.

NG

>> GO TO 8.

8.

DETECT MALFUNCTIONING PART

Check the following.

●

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

EC-382, "DTC P0340, P0345 CMP SENSOR (PHASE)"

.

●

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

EC-375, "DTC P0335 CKP SENSOR (POS)"

.

OK or NG

OK

>> GO TO 9.

NG

>> 1. Repair or replace.

2. GO TO 4.

9.

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

BL-217, "ECM Re-Communicating Function"

.

>> GO TO 4.

A/T: 650

±

50 rpm (in P or N position)

M/T: 650

±

50 rpm (in Neutral position)

A/T: 650

±

50 rpm (in P or N position)

M/T: 650

±

50 rpm (in Neutral position)

SEF174Y

EC-74

BASIC SERVICE PROCEDURE

10.

CHECK IGNITION TIMING

1.

Run engine at idle.

2.

Check ignition timing with a timing light.
Refer to

EC-76, "IGNITION TIMING"

.

OK or NG

OK

>> GO TO 19.

NG

>> GO TO 11.

11.

PERFORM ACCELERATOR PEDAL RELEASED POSITION LEARNING

1.

Stop engine.

2.

Perform

EC-79, "Accelerator Pedal Released Position Learning"

.

>> GO TO 12.

12.

PERFORM THROTTLE VALVE CLOSED POSITION LEARNING

Perform

EC-79, "Throttle Valve Closed Position Learning"

.

>> GO TO 13.

13.

PERFORM IDLE AIR VOLUME LEARNING

Refer to

EC-79, "Idle Air Volume Learning"

.

Is Idle Air Volume Learning carried out successfully?

Yes or No

Yes

>> GO TO 14.

No

>> 1. Follow the instruction of Idle Air Volume Learning.

2. GO TO 4.

14.

CHECK TARGET IDLE SPEED AGAIN

With CONSULT-II

1.

Start engine and warm it up to normal operating temperature.

2.

Read idle speed in “DATA MONITOR” mode with CONSULT-II.
Refer to

EC-76, "IDLE SPEED"

.

Without CONSULT-II

1.

Start engine and warm it up to normal operating temperature.

2.

Check idle speed. Refer to

EC-76, "IDLE SPEED"

.

OK or NG

OK

>> GO TO 15.

NG

>> GO TO 17.

A/T: 15

±

5

°

BTDC (in P or N position)

M/T: 15

±

5

°

BTDC (in Neutral position)

PBIB1655E

A/T: 650

±

50 rpm (in P or N position)

M/T: 650

±

50 rpm (in Neutral position)

A/T: 650

±

50 rpm (in P or N position)

M/T: 650

±

50 rpm (in Neutral position)

SEF174Y

BASIC SERVICE PROCEDURE

EC-75

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EC

15.

CHECK IGNITION TIMING AGAIN

1.

Run engine at idle.

2.

Check ignition timing with a timing light.
Refer to

EC-76, "IGNITION TIMING"

.

OK or NG

OK

>> GO TO 19.

NG

>> GO TO 16.

16.

CHECK TIMING CHAIN INSTALLATION

Check timing chain installation. Refer to

EM-59, "TIMING CHAIN"

.

OK or NG

OK

>> GO TO 17.

NG

>> 1. Repair the timing chain installation.

2. GO TO 4.

17.

DETECT MALFUNCTIONING PART

Check the following.

●

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

EC-382, "DTC P0340, P0345 CMP SENSOR (PHASE)"

.

●

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

EC-375, "DTC P0335 CKP SENSOR (POS)"

.

OK or NG

OK

>> GO TO 18.

NG

>> 1. Repair or replace.

2. 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

BL-217, "ECM Re-Communicating Function"

.

>> GO TO 4.

19.

INSPECTION END

Did you replace the ECM, referring this Basic Inspection procedure?
Yes or No

Yes

>> 1. Perform

EC-77, "VIN Registration"

.

2. Perform

EC-78, "Exhaust Valve Timing Control Learning (M/T models)"

.

3. INSPECTION END

No

>> INSPECTION END

A/T: 15

±

5

°

BTDC (in P or N position)

M/T: 15

±

5

°

BTDC (in Neutral position)

PBIB1655E

EC-76

BASIC SERVICE PROCEDURE

Idle Speed and Ignition Timing Check

NBS000N2

IDLE SPEED

With CONSULT-II

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

With GST

Check idle speed Service $01 with GST.

IGNITION TIMING

Any of following two methods may be used.

Method A

1.

Attach timing light to loop wire as shown.

2.

Check ignition timing.

Method B

1.

Remove No. 1 ignition coil.

SEF058Y

PBIB1287E

PBIB1655E

PBIB1019E