Nissan Primera P11. Manual — part 209

Overall Inspection Sequence

NCEC0028S0101

*: Refer to EC-SR-46.

SEF104X

INSPECTION

Perform diagnostic test mode II
(Self-diagnostic results).

Repair or replace.

NG

Check ignition timing and idle
speed.

Idle air volume learning.*

COMPLETE

INCOMPLETE

Find reason for incompleteness,
and remove.*

OK

Check heated oxygen sensor 1 (front)
function.

NG

Check heated oxygen sensor 1 (front)
harness.

NG

OK

Check CO%.

NG

OK

INSPECTION END

Check emission control parts and
repair or replace if necessary.

NG

Repair or replace harness.

Replace front heated oxygen
sensor.

Check front heated oxygen
sensor function.

OK

H

BASIC SERVICE PROCEDURE

SR20DE

Idle Speed/Ignition Timing/Idle Mixture Ratio Adjustment (Cont’d)

EC-35

INSPECTION PROCEDURE

NCEC0028S02

1

INSPECTION START

1. Visually check the following:

I

Air cleaner clogging

I

Hoses and duct for leaks

I

Electrical connectors

I

Gasket (intake manifold, cylinder head, exhaust system)

I

Throttle valve and throttle position sensor operation

2. Start engine and warm it up until engine coolant temperature indicator points to the middle of gauge.

Ensure engine speed stays below 1,000 rpm.

SEF935W

3. Open engine hood and run engine at about 2,000 rpm for about 2 minutes under no-load.
4. Perform the Diagnostic Test Mode II (Self-diagnostic results). Refer to EC-SR-61.

SAT652J

OK or NG

OK

©

I

GO TO 2. (With CONSULT-II)

I

GO TO 3. (Without CONSULT-II)

NG

©

1. Repair or replace components as necessary.
2. GO TO 2. (With CONSULT-II)
3. GO TO 3. (Without CONSULT-II)

BASIC SERVICE PROCEDURE

SR20DE

Idle Speed/Ignition Timing/Idle Mixture Ratio Adjustment (Cont’d)

EC-36

2

CHECK IGNITION TIMING

With CONSULT-II

1. Run engine at about 2,000 rpm for about 2 minutes under no-load.
2. Rev engine two or three times under no-load, then run engine at idle speed for about 1 minute.

SEF978U

3. Select “IGNITION TIMING ADJ” in WORK SUPPORT mode.
4. Touch “START”.

PEF546N

5. Rev engine (2,000 to 3,000 rpm) two or three times under no-load, then run engine at idle speed.
6. Check ignition timing with a timing light.

AEC804

15°±2° BTDC
(in “P” or “N” position for CVT)

OK

©

I

GO TO 5. (With CONSULT-II)

I

GO TO 6. (Without CONSULT-II)

NG

©

1. Perform “Idle air volume learning”. Refer to EC-SR-46
2. If still NG, GO TO 4.

BTDC

White painting

BASIC SERVICE PROCEDURE

SR20DE

Idle Speed/Ignition Timing/Idle Mixture Ratio Adjustment (Cont’d)

EC-37

3

CHECK IGNITION TIMING

Without CONSULT-II

1. Run engine at about 2,000 rpm for about 2 minutes under no-load.
2. Rev engine two or three times under no-load, then run engine at idle speed for about 1 minute.

SEF978U

3. Turn off engine and disconnect throttle position sensor harness connector (CVT models only).

SEF197X

4. Start engine and rev it (2,000 to 3,000 rpm) two or three times under no-load, then run engine at idle speed.
5. Check ignition timing with a timing light.

AEC804

15°±2° BTDC
(in “P” or “N” position for CVT)

OK or NG

OK

©

GO TO 5.

NG

©

1. Perform “Idle air volume learning”. Refer to EC-SR-46.
2. If still NG, GO TO 4.

Throttle position
sensor harness
connector

Throttle body

Closed throttle position switch
harness connector (CVT
models)

BTDC

White painting

BASIC SERVICE PROCEDURE

SR20DE

Idle Speed/Ignition Timing/Idle Mixture Ratio Adjustment (Cont’d)

EC-38