Nissan Almera Tino V10 (2001 year). Manual

ADJUSTMENT THROTTLE POSITION SWITCH CLOSED POSITION-II

With CONSULT-II

1. Temporarily tighten sensor body fixing bolts as follows.

Gradually move the sensor body clockwise and stop it when “CLSD THL/P SW” signal switches from “OFF” to
“ON”, then temporarily tighten sensor body fixing bolts.

SEF964W

2. Make sure two or three times that the signal is “ON” when the throttle valve is closed and “OFF” when it is opened.
3. Remove 0.05 mm (0.0020 in) feeler gauge then insert 0.15 mm (0.0059 in) feeler gauge.
4. Make sure two or three times that the signal remains “OFF” when the throttle valve is closed.
5. Tighten throttle position sensor.
6. Check the “CLSD THL/P SW” signal again.

SEF716Y

The signal remains “OFF” while closing throttle valve.

OK or NG

GO TO 14.

GO TO 12.

TROUBLE DIAGNOSIS — BASIC INSPECTION

QG18DE

Basic Inspection (Cont’d)

EC-105

RESET THROTTLE POSITION SENSOR IDLE POSITION MEMORY

With CONSULT-II

NOTE:
Always warm up engine to normal operating temperature. If engine is cool, the throttle position sensor idle posi-
tion memory will not be reset correctly.
1. Confirm that proper vacuum is applied. Refer to Test No. 10.
2. Attach blind cap to vacuum port from which vacuum hose to throttle opener was disconnected.
3. Start engine.
4. Warm up engine to normal operating temperature.
5. Select “TP SW/TP SEN IDLE POSI ADJ” in “WORK SUPPORT” mode.
6. Stop engine. (Turn ignition switch “OFF”.)
7. Turn ignition switch “ON” and wait at least 5 seconds.

SEF864V

8. Turn ignition switch “OFF” and wait at least 9 seconds.
9. Repeat steps 7 and 8 until “CLSD THL POS” signal changes to “ON”.

SEF715Y

GO TO 19.

TROUBLE DIAGNOSIS — BASIC INSPECTION

QG18DE

Basic Inspection (Cont’d)

EC-106

CHECK THROTTLE POSITION SWITCH CLOSED POSITION-II

Without CONSULT-II

1. Disconnect closed throttle position switch harness connector.
2. Check continuity between closed throttle position switch terminals 4 and 5 under the following conditions.

SEF711X

Insert the 0.05 mm (0.0020 in) and 0.15 mm (0.0059 in) feeler gauge alternately between the stopper and throttle drum
as shown in the figure.

SEF073X

“Continuity should exist” while inserting 0.05 mm (0.0020 in) feeler gauge.
“Continuity should not exist” while inserting 0.15 mm (0.0059 in) feeler gauge.

OK or NG

GO TO 18.

GO TO 16.

TROUBLE DIAGNOSIS — BASIC INSPECTION

QG18DE

Basic Inspection (Cont’d)

EC-107

ADJUSTMENT THROTTLE POSITION SWITCH CLOSED POSITION-I

Without CONSULT-II

1. Loosen throttle position sensor fixing bolts.
2. Confirm that proper vacuum is applied. Refer to Test No. 10. During adjustment, vacuum should be applied.
3. Insert 0.05 mm (0.0020 in) feeler gauge between stopper and throttle drum as shown in the figure.

SEF073X

SEF711X

4. Turn throttle position sensor body counterclockwise until continuity does not exist.

SEF964W

GO TO 17.

TROUBLE DIAGNOSIS — BASIC INSPECTION

QG18DE

Basic Inspection (Cont’d)

EC-108

ADJUSTMENT THROTTLE POSITION SWITCH CLOSED POSITION-II

Without CONSULT-II

1. Temporarily tighten sensor body fixing bolts as follows.

Gradually move the sensor body clockwise and stop it when the continuity comes to exist, then temporarily
tighten sensor body fixing bolts.

SEF964W

2. Make sure two or three times that the continuity exists when the throttle valve is closed and continuity does not exist

when it is opened.

3. Remove 0.05 mm (0.0020 in) feeler gauge then insert 0.15 mm (0.0059 in) feeler gauge.
4. Make sure two or three times that the continuity does not exist when the throttle valve is closed.
5. Tighten throttle position sensor.
6. Check the continuity again.

Continuity does not exist while closing the throttle valve.

OK or NG

GO TO 18.

GO TO 16.

RESET THROTTLE POSITION SENSOR IDLE POSITION MEMORY

Without CONSULT-II

NOTE:
Always warm up engine to normal operating temperature. If engine is cool, the throttle position sensor idle posi-
tion memory will not be reset correctly.
1. Confirm that proper vacuum is applied. Refer to Test No. 10.
2. Attach blind cap to vacuum port from which vacuum hose to throttle opener was disconnected.
3. Start engine.
4. Warm up engine to normal operating temperature.
5. Stop engine. (Turn ignition switch “OFF”.)
6. Turn ignition switch “ON” and wait at least 5 seconds.

SEF864V

7. Turn ignition switch “OFF” and wait at least 9 seconds.
8. Repeat steps 6 and 7, 20 times.

GO TO 19.

TROUBLE DIAGNOSIS — BASIC INSPECTION

QG18DE

Basic Inspection (Cont’d)

EC-109

CHECK IGNITION TIMING-I

1. Turn ignition switch “OFF”.
2. Release vacuum from throttle opener.
3. Remove vacuum pump and vacuum hose from throttle opener.
4. Reinstall original vacuum hose to throttle opener securely.
5. Start engine and warm it up to normal operating temperature.
6. Stop engine and disconnect throttle position sensor harness connector.

JEF091Y

7. Start engine.
8. Check ignition timing at idle using a timing light.

SEF984U

Ignition timing:

2° BTDC

OK or NG

GO TO 24.

GO TO 20.

DETECT MALFUNCTIONING PART

Check the following.

Crankshaft position sensor (POS) circuit and function. Refer to EC-295.

Camshaft position sensor (PHASE) circuit and function. Refer to EC-302.

OK or NG

GO TO 22.

GO TO 21.

REPAIR MALFUNCTION

Repair or replace malfunctioning part following the “Diagnostic Procedure” corresponding the detected malfunction.

GO TO 23.

TROUBLE DIAGNOSIS — BASIC INSPECTION

QG18DE

Basic Inspection (Cont’d)

EC-110

CHECK ECM FUNCTION

1. Substitute another known-good ECM to check ECM function. (ECM may be the cause of a problem, but this is rarely

the case.)

2. Perform initialization of NATS system and registration of all NATS ignition key IDs. Refer to “NATS (Nissan Anti-Theft

System)”, EC-72.

GO TO 23.

PERFORM IDLE AIR VOLUME LEARNING

Refer to “Idle Air Volume Learning”, EC-57.
Which is the result CMPLT or INCMP?

CMPLT or INCMP

CMPLT

GO TO 19.

INCMP

Follow the construction of “Idle Air Volume Leaning”.

CHECK IGNITION TIMING-II

1. Stop engine.
2. Reconnect throttle position sensor harness connector.
3. Start engine and let it idle.
4. Check ignition timing at idle using a timing light.

SEF984U

Ignition timing:

2° BTDC

OK or NG

OK (With CONSULT-II)

GO TO 32.

OK (Without CONSULT-
II)

GO TO 35.

GO TO 25.

PERFORM IDLE AIR VOLUME LEARNING

Refer to “Idle Air Volume Learning”, EC-57.
Which is the result CMPLT or INCMP?

CMPLT or INCMP

CMPLT

GO TO 26.

INCMP

Follow the construction of “Idle Air Volume Learning”.

TROUBLE DIAGNOSIS — BASIC INSPECTION

QG18DE

Basic Inspection (Cont’d)

EC-111

CHECK IGNITION TIMING AGAIN

Check ignition timing again. Refer to Test No. 24.

OK or NG

OK (With CONSULT-II)

GO TO 32.

OK (Without CONSULT-
II)

GO TO 35.

GO TO 27.

CHECK FOR INTAKE AIR LEAK

1. Start engine and let it idle.
2. Listen for an air leak from PCV hose and after IACV-AAC valve.

OK or NG

GO TO 29.

GO TO 28.

REPAIR MALFUNCTION

1. Stop engine.
2. Repair or replace malfunctioning part.

GO TO 25.

DETECT MALFUNCTIONING PART

Check the IACV-AAC valve circuit and function. Refer to EC-343.

OK or NG

GO TO 31.

GO TO 30.

REPAIR MALFUNCTION

Repair or replace malfunction part following the “Diagnostic Procedure” corresponding the detected malfunction.

GO TO 25.

CHECK ECM FUNCTION

1. Substitute another known-good ECM to check ECM function.

(ECM may be the cause of a problem, but this is rarely the case.)

2. Perform initialization of NATS system and registration of NATS ignition key IDs. Refer to “NATS (Nissan Anti-Theft

System)”, EC-72.

GO TO 25.

CHECK TARGET IDLE SPEED

With CONSULT-II

1. Start engine and warm it up to normal operating temperature.
2. Select “ENG SPEED” in “DATA MONITOR” mode.
3. Check idle speed.

700

50 rpm

OK or NG

GO TO 38.

GO TO 33.

TROUBLE DIAGNOSIS — BASIC INSPECTION

QG18DE

Basic Inspection (Cont’d)

EC-112

PERFORM IDLE AIR VOLUME LEARNING

Refer to “Idle Air Volume Learning”, EC-57.
Which is the result CMPLT or INCMP?

CMPLT or INCMP

CMPLT

GO TO 34.

INCMP

Follow the construction of “Idle Air Volume Learning”.

CHECK TARGET IDLE SPEED AGAIN

1. Start engine and warm it up to normal operating temperature.
2. Select “ENG SPEED” in “DATA MONITOR” mode with CONSULT-II.
3. Check idle speed.

700

50 rpm

OK or NG

GO TO 38.

GO TO 27.

CHECK TARGET IDLE SPEED

Without CONSULT-II

1. Start engine and warm it up to normal operating temperature.
2. Check idle speed.

700

50 rpm

OK or NG

GO TO 38.

GO TO 36.

PERFORM IDLE AIR VOLUME LEARNING

Refer to “Idle Air Volume Learning”, EC-57.
Which is the result CMPLT or INCMP?

CMPLT or INCMP

CMPLT

GO TO 37.

INCMP

Follow the construction of “Idle Air Volume Learning”.

CHECK TARGET IDLE SPEED AGAIN

1. Start engine and warm it up to normal operating temperature.
2. Check idle speed.

700

50 rpm

OK or NG

GO TO 38.

GO TO 27.

ERASE UNNECESSARY DTC

After this inspection, unnecessary DTC No. might be displayed.
Erase the stored memory in ECM.
Refer to “How to Erase Emission-related Diagnostic Information”, EC-69.

INSPECTION END

TROUBLE DIAGNOSIS — BASIC INSPECTION

QG18DE

Basic Inspection (Cont’d)

EC-113

MODELS WITHOUT THROTTLE POSITION SWITCH AND
THROTTLE OPENER

NLEC0564S02

Precaution:
Perform Basic Inspection without electrical or mechanical
loads applied;

Headlamp switch is OFF,

On vehicle equipped with daytime light system, set lighting
switch to the 1st position to light only small lamps.

Air conditioner switch is OFF,

Rear window defogger switch is OFF,

Steering wheel is in the straight-ahead position, etc.

INSPECTION START

1. Check service records for any recent repairs that may indicate a related problem, or a current need for scheduled

maintenance.

2. Open engine hood and check the following:

Harness connectors for improper connections

Vacuum hoses for splits, kinks and improper connections

Wiring for improper connections, pinches and cuts

Air cleaner clogging

Hoses and ducts for leaks

SEF983U

GO TO 2.

CHECK THROTTLE DRUM OPERATION-I

Confirm that throttle drum is in contact with the stopper.

OK or NG

OK (with CONSULT-II)

GO TO 5.

OK (without CONSULT-
II)

GO TO 8.

GO TO 3.

CHECK ACCELERATOR WIRE INSTALLATION

Check accelerator wire for slack.

OK or NG

GO TO 4.

Adjust accelerator wire. Refer to FE section, “Adjusting Accelerator Wire”.

TROUBLE DIAGNOSIS — BASIC INSPECTION

QG18DE

Basic Inspection (Cont’d)

EC-114

CHECK THROTTLE VALVE OPERATION

1. Remove intake air ducts.
2. Check throttle valve operation when moving throttle drum by hand.

OK or NG

Retighten the throttle drum fixing nuts.

Clean the throttle body and throttle valve.

CHECK CLOSED THROTTLE POSITION SWITCH IDLE POSITION

With CONSULT-II

1. Start engine and warm it up to normal operating temperature.
2. Stop engine.
3. Turn ignition switch “ON”.
4. Select “THRTL POS SEN” and “CLSD THL POS” in “DATA MONITOR” mode with CONSULT-II.
5. Make sure that “THRTL POS SEN” indicates 0.35 to 0.65V, and “CLSD THL POS” indicates “ON”. (Accelerator pedal is

fully released).

NEF238A

OK or NG

GO TO 11.

GO TO 6.

ADJUST THROTTLE POSITION SENSOR IDLE POSITION

With CONSULT-II

1. Loosen throttle position sensor fixing bolts.
2. Turn throttle position sensor body clockwise or counterclockwise until “THRTL POS SEN” indication becomes 0.35 to

0.65V.

SEF964W

3. Tighten the throttle position sensor fixing bolts.

GO TO 7.

TROUBLE DIAGNOSIS — BASIC INSPECTION

QG18DE

Basic Inspection (Cont’d)

EC-115

RESET THROTTLE POSITION SENSOR IDLE POSITION MEMORY

With CONSULT-II

NOTE:
Always warm up engine to normal operating temperature. If engine is cool, the throttle position sensor idle posi-
tion memory will not be reset correctly.
1. Start engine and warm it up to normal operating temperature.
2. Select “CLSD THL POS” in “DATA MONITOR” mode with CONSULT-II.
3. Stop engine. (Turn ignition switch “OFF”.)
4. Turn ignition switch “ON” and wait at least 5 seconds.

SEF864V

5. Turn ignition switch “OFF” and wait at least 9 seconds.
6. Repeat steps 4 and 6 until “CLSD THL POS” indication changes to “ON”.

SEF061Y

GO TO 11.

TROUBLE DIAGNOSIS — BASIC INSPECTION

QG18DE

Basic Inspection (Cont’d)

EC-116

CHECK CLOSED THROTTLE POSITION SWITCH IDLE POSITION

Without CONSULT-II

1. Start engine and warm it up to normal operating temperature.
2. Stop engine.
3. Turn ignition switch “ON”.
4. Check voltage between ECM terminal 92 and ground with accelerator pedal fully released.

NEF315A

Voltage: 0.35 to 0.65V

GO TO 6.

GO TO 9.

CHECK THROTTLE VALVE OPERATION

Without CONSULT-II

1. Loosen throttle position sensor fixing bolts.
2. Turn throttle position sensor body clockwise or counterclockwise until the voltage between ECM terminal 92 and ground

becomes 0.35 to 0.65V.

SEF964W

3. Tighten the throttle position sensor fixing bolts.

GO TO 10.

TROUBLE DIAGNOSIS — BASIC INSPECTION

QG18DE

Basic Inspection (Cont’d)

EC-117

RESET THROTTLE POSITION SENSOR IDLE POSITION MEMORY

Without CONSULT-II

NOTE:
Always warm up engine to normal operating temperature. If engine is cool, the throttle position sensor idle posi-
tion memory will not be reset correctly.
1. Start engine and warm it up to normal operating temperature.
2. Stop engine. (Turn ignition switch “OFF”).
3. Turn ignition switch “ON” and wait at least 5 seconds.

SEF864V

4. Turn ignition switch “OFF” and wait at least 9 seconds.
5. Repeat steps 4 and 6, 20 times.

GO TO 11.

CHECK (1ST TRIP) DTC

1. Start engine and warm it up to normal operating temperature.
2. Rev (2,000 to 3,000 rpm) two or three times.
3. Make sure no (1st trip) DTC is displayed with CONSULT-II GST or Diagnostic Test Mode II (Self-diagnostic Results).

OK or NG

GO TO 13.

GO TO 12.

REPAIR MALFUNCTION

Repair or replace components as necessary

GO TO 11.

CHECK TARGET IDLE SPEED

With CONSULT-II

1. Start engine and warm it up to normal operating temperature.
2. Select “ENG SPEED” in “DATA MONITOR” mode with CONSULT-II.
3. Check idle speed.

700

50 rpm

Without CONSULT-II

1. Start engine and warm it up to normal operating temperature.
2. Check idle speed.

700

50 rpm

OK or NG

GO TO 22.

GO TO 14.

TROUBLE DIAGNOSIS — BASIC INSPECTION

QG18DE

Basic Inspection (Cont’d)

EC-118

PERFORM IDLE AIR VOLUME LEARNING

Refer to “Idle Air Volume Learning”, EC-57
Which is the result CMPLT or INCMP?

CMPLT or INCMP

CMPLT

GO TO 15.

INCMP

1. Follow the instruction of “Idle Air Volume Learning”.
2. GO TO 14.

CHECK TARGET IDLE SPEED AGAIN

With CONSULT-II

1. Start engine and warm it up to normal operating temperature.
2. Select “ENG SPEED” in “DATA MONITOR” mode with CONSULT-II.
3. Check idle speed.

700

50 rpm

Without CONSULT-II

1. Start engine and warm it up to normal operating temperature.
2. Check idle speed.

700

50 rpm

OK or NG

GO TO 20.

GO TO 16.

REPLACE IACV-AAC VALVE

Replace IACV-AAC valve.

GO TO 17.

PERFORM IDLE AIR VOLUME LEARNING

Refer to “Idle Air Volume Learning”, EC-57
Which is the result CMPLT or INCMP?

CMPLT or INCMP

CMPLT

GO TO 18.

INCMP

1. Follow the instruction of “Idle Air Volume Learning”.
2. GO TO 14.

CHECK TARGET IDLE SPEED AGAIN

With CONSULT-II

1. Start engine and warm it up to normal operating temperature.
2. Select “ENG SPEED” in “DATA MONITOR” mode with CONSULT-II.
3. Check idle speed.

700

50 rpm

Without CONSULT-II

1. Start engine and warm it up to normal operating temperature.
2. Check idle speed.

700

50 rpm

OK or NG

GO TO 20.

GO TO 19.

TROUBLE DIAGNOSIS — BASIC INSPECTION

QG18DE

Basic Inspection (Cont’d)

EC-119

CHECK ECM FUNCTION

1. Substitute another known-good ECM to check ECM function. (ECM may be the cause of a problem, but this is rarely

the case.)

2. Perform initialization of NATS system and registration of NATS ignition key IDs. Refer to “NATS (Nissan Anti-Theft

system)”, EC-72

GO TO 14.

CHECK IGNITION TIMING

1. Start engine and warm it up to normal operating temperature.
2. Perform initialization of NATS system and registration of NATS ignition key IDs. Refer to “NATS (Nissan Anti-Theft

System)”, EC-72.

SEM872F

Ignition timing: 8°

5° BTDC

GO TO 28.

GO TO 21.

CHECK TIMING CHAIN INSTALLATION

Check timing chain installation. Refer to EM section.

OK or NG

GO TO 19.

1. Repair the timing chain installation.
2. GO TO 14..

CHECK IGNITION TIMING

1. Start engine and let it idle.
2. Check ignition timing at idle using a timing light.

SEM872F

Ignition timing: 8°

5° BTDC

GO TO 28.

GO TO 23.

TROUBLE DIAGNOSIS — BASIC INSPECTION

QG18DE

Basic Inspection (Cont’d)

EC-120

Nissan Almera Tino V10 (2001 year). Manual - part 34