Nissan Frontier D22. Manual - part 473

 

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Nissan Frontier D22. Manual - part 473

 

 

DTC P0510 CLOSED TP SWITCH

EC-995

[VG33E]

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EC

Specification data are reference values and are measured between each terminal and ground.

CAUTION:

Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground other than the ECM terminals, such as the ground.

Diagnostic Procedure

UBS00DMP

1. 

CHECK CLOSED THROTTLE POSITION SWITCH POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect throttle position switch harness connector.

3.

Turn ignition switch ON.

4.

Check voltage between terminal 5 and engine ground with CON-
SULT-II or tester.

OK or NG

OK

>> GO TO 3.

NG

>> GO TO 2.

2. 

DETECT MALFUNCTIONING PART

Check the following.

Harness for open or short between throttle position switch and ECM relay

Harness for open or short between throttle position switch and ECM

>> Repair open circuit or short to ground or short to power in harness or connectors.

TER-

MINAL 

NO.

WIRE 

COLOR

ITEM

CONDITION

DATA (DC Voltage)

28

BR/W

Throttle position switch 
(Closed position)

[Engine is running]

Warm-up condition

More than -40.0 kpa (-300 mmHg, -11.81 inHg) 
of vacuum is applied to the throttle opener with 
a hand vacuum pump

Accelerator pedal is fully released

BATTERY VOLTAGE
(11 - 14V)

[Ignition switch: ON]

Engine stopped

Accelerator pedal is depressed

Approximately 0V

AEC653A

Voltage: Battery voltage

SEF715U

EC-996

[VG33E]

DTC P0510 CLOSED TP SWITCH

3. 

CHECK CLOSED THROTTLE POSITION SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT

1.

Turn ignition switch OFF.

2.

Disconnect ECM harness connector.

3.

Check harness continuity between ECM terminal 28 and throttle position switch terminal 4.
Refer to Wiring Diagram.

4.

Also check harness for short to ground and short to power.

OK or NG

OK

>> GO TO 4.

NG

>> Repair open circuit or short to ground or short to power in harness or connectors.

4. 

CHECK IGNITION TIMING AND ENGINE IDLE SPEED

Check the following items. Refer to 

EC-646, "Basic Inspection"

 .

With CONSULT-II>>GO TO 5.
Without CONSULT-II>>GO TO 6.

5. 

CHECK CLOSED THROTTLE POSITION SWITCH

 With CONSULT-II

1.

Start engine and warm it up to normal operating temperature.

2.

Turn ignition switch OFF.

3.

Turn ignition switch ON.

4.

Select “DATA MONITOR” mode with CONSULT-II.

5.

Check indication of “CLSD THL/P SW”.
Measurement must be made with closed throttle position switch installed in vehicle.

OK or NG

OK

>> GO TO 8.

NG

>> GO TO 7.

Continuity should exist.

Items

Specifications

Ignition timing

10 

± 5° BTDC

Base idle speed

700 

± 50 rpm (in P or N position)

Target idle speed

750 

± 50 rpm (in P or N position)

Throttle valve conditions

CLSD THL/P SW

Completely closed

ON

Partially open or completely closed

OFF

DTC P0510 CLOSED TP SWITCH

EC-997

[VG33E]

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EC

6. 

CHECK CLOSED THROTTLE POSITION SWITCH

 Without CONSULT-II

1.

Start engine and warm it up to normal operating temperature.

2.

Turn ignition switch OFF.

3.

Disconnect closed throttle position switch harness connector.

4.

Check continuity between closed throttle position switch terminals 4 and 5.
Resistance measurement must be made with closed throttle position switch installed in vehicle.

OK or NG

OK

>> GO TO 9.

NG

>> GO TO 7.

7. 

ADJUST THROTTLE POSITION SWITCH

Check the following items. Refer to 

EC-646, "Basic Inspection"

 .

If it is impossible to adjust closed throttle position switch in Basic Inspection, replace closed throttle position
switch.

OK or NG

OK (with CONSULT-II)>>GO TO 8.
OK (without CONSULT-II)>>GO TO 9.
NG

>> Replace throttle position switch.

Throttle valve conditions

Continuity

Completely closed

Yes

Partially open or completely closed

No

BBIA0423E

Items

Specifications

Ignitions timing

10 

± 5° BTDC

Base idle speed

700 

± 50 rpm (in P or N position)

Closed throttle position switch idle 
position adjustment

Feeler gauge thickness and switch 
condition
0.3 mm (0.012 in): ON
0.4 mm (0.016 in): OFF

Target idle speed

750 

± 50 rpm (in P or N position)

EC-998

[VG33E]

DTC P0510 CLOSED TP SWITCH

8. 

CHECK THROTTLE POSITION SENSOR

 With CONSULT-II

1.

Start engine and warm it up to normal operating temperature.

2.

Stop engine (ignition switch OFF).

3.

Turn ignition switch ON.

4.

Select “DATA MONITOR” mode with CONSULT-II.

5.

Check voltage of “THRTL POS SEN”.

Voltage measurement must be made with throttle position sensor installed in vehicle.
If NG, adjust closed throttle position switch. Refer to 

EC-646, "Basic Inspection"

 .

OK or NG

OK

>> GO TO 10.

NG

>> Replace throttle position sensor.

9. 

CHECK THROTTLE POSITION SENSOR

 Without CONSULT-II

1.

Start engine and warm it up to normal operating temperature.

2.

Stop engine (ignition switch OFF).

3.

Turn ignition switch ON.

4.

Check voltage between ECM terminal 23 (Throttle position sensor signal) and ground.
Voltage measurement must be made with throttle position sensor installed in vehicle.

If NG, adjust closed throttle position switch. Refer to 

EC-646, "Basic Inspection"

 .

OK or NG

OK

>> GO TO 10.

NG

>> Replace throttle position sensor.

10. 

CHECK INTERMITTENT INCIDENT

Refer to 

EC-696, "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT"

 .

>> INSPECTION END.

Throttle valve conditions

Voltage [V]

Completely closed

0.15 - 0.85 (a)

Partially open

Between (a) and (b)

Completely open

3.5 - 4.7 (b)

Throttle valve conditions

Voltage [V]

Completely closed

0.15 - 0.85 (a)

Partially open

Between (a) and (b)

Completely open

3.5 - 4.7 (b)

 

 

 

 

 

 

 

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