Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSVOLKSWAGEN2013BEETLE BASE, 2D HATCHBACK, 2.5L ENG VIN X, STANDARD TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1680 (ENGINE CONTROLS - PINPOINT TEST NB: MALFUNCTION INDICATOR LAMP THROUGH PINPOINT TEST Z: INTERMITTENT - (EXCEPT DIESEL & HYBRID))PINPOINT TEST TJ: OUTPUT SHAFT SPEED (OSS) SENSORTEST PROCEDURE

2013 Volkswagen Beetle Base, 2D Hatchback, 2.5L Eng VIN X, Standard Trans

Test Procedure

2013 Volkswagen Beetle Base, 2D Hatchback, 2.5L Eng VIN X, Standard TransSECTION Test Procedure

WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2005 Mercury Sable, 2005 Mercury Mountaineer, 2005 Mercury Monterey, 2005 Mercury Montego, and 2005 Mercury Mariner. However, it is still accessible from the selected car via links, so may be relevant.

TJ1 DTCS P0720, P0721, P0722, P0723 AND P1900: VERIFY DRIVE CYCLE

Access the PCM and monitor the OSS PID.
Drive the vehicle.
Monitor the PID in all transmission gear ranges while increasing and decreasing the speed.

Does the PID reading increase and decrease with engine and vehicle speed?

Yes	No
OSS operated as expected. GO to TJ2.	Key in OFF position. GO to TJ3.

TJ2 VISUAL INSPECTION

Output Shaft Speed (OSS) Sensor connector disconnected.
Inspect the OSS harness for damage.
Inspect the OSS vehicle harness connector for damage and proper seating.
If possible, carry out a wiggle test.

Is a concern present?

Yes	No
REPAIR as necessary	GO to Z1.

TJ3 VERIFY THE TYPE OF OSS SENSOR

NOTE: VR (variable reluctance) sensors have 2-wire connectors, Hall-effect sensors have 3-wire connectors.

Inspect for a Hall-effect or a VR-type OSS sensor.

Is this a Hall-effect type OSS sensor?

Yes	No
GO to TJ4.	GO to TJ6.

TJ4 CHECK THE VPWR TO THE OSS SENSOR

Output Shaft Speed (OSS) Sensor connector disconnected.
Key in ON position.

Measure the voltage between:

(+) Output Shaft Speed (OSS) Sensor Connector, Harness Side	(-) Vehicle Battery
VPWR	Negative terminal

Is the voltage greater than 10.5 V?

Yes	No
Key in OFF position. GO to TJ5.	Key in OFF position. REPAIR the open circuit.

TJ5 CHECK THE VPWR GROUND TO THE OSS SENSOR

Measure the resistance between:

(+) Output Shaft Speed (OSS) Sensor Connector, Harness Side	(-) Vehicle Battery
PWRGND	Negative terminal

Is the resistance less than 5 ohms?

Yes	No
GO to TJ6.	REPAIR the open circuit.

TJ6 CHECK THE OSS CIRCUIT FOR A SHORT TO VREF AND VPWR IN THE HARNESS

Key in ON position.
Output Shaft Speed (OSS) Sensor connector disconnected.

Measure the voltage between:

(+) Output Shaft Speed (OSS) Sensor Connector, Harness Side	(-) Vehicle Battery
OSS	Negative terminal

Is the voltage less than 1 V?

Yes	No
Key in OFF position. GO to TJ7.	Key in OFF position. REPAIR the short circuit.

TJ7 CHECK THE OSS CIRCUIT(S) FOR AN OPEN IN THE HARNESS

PCM connector disconnected.
Output Shaft Speed (OSS) Sensor connector disconnected.

Measure the resistance between:

(+) PCM Connector, Harness Side	(-) Output Shaft Speed (OSS) Sensor Connector, Harness Side
OSS	OSS
SIGRTN	SIGRTN

NOTE: Hall-effect sensors are not equipped with a SIGRTN circuit. Disregard SIGRTN measurement.

Are the resistances less than 5 ohms?

Yes	No
GO to TJ8.	REPAIR the open circuit.

TJ8 CHECK THE OSS CIRCUIT FOR A SHORT TO GROUND IN THE HARNESS

Measure the resistance between:

(+) Output Shaft Speed (OSS) Sensor Connector, Harness Side	(-) Output Shaft Speed (OSS) Sensor Connector, Harness Side
OSS	PWRGND
OSS	SIGRTN

NOTE: For Hall-effect sensor applications. Disregard the SIGRTN measurement.

Measure the resistance between:

(+) Output Shaft Speed (OSS) Sensor Connector, Harness Side	(-)
OSS	Ground

Are the resistances greater than 10, 000 Ohms?

Yes	No
For Hall Effect GO to TJ9. For VR (Variable Reluctance) GO to TJ10.	REPAIR the short circuit.

TJ9 CHECK THE OSS SIGNAL OUTPUT TO THE PCM, HALL-EFFECT TYPE SENSOR

PCM connector disconnected.
Raise the vehicle to allow rotation of the front drive wheels.
Key in ON position.
Transmission in NEUTRAL.

Measure the voltage between:

(+) PCM Connector, Harness Side	(-) PCM Connector, Harness Side
OSS	PWRGND

NOTE: The opposite wheel must be held stationary.

The voltage should rise above 5 volts and fall below 1 volt in a regular cycle. Observe several cycles.

Does the OSS output voltage rise and fall as specified?

Yes	No
INSTALL a new PCM. REFER to FLASH ELECTRICALLY ERASABLE PROGRAMMABLE READ ONLY MEMORY (EEPROM) .	REMOVE the OSS sensor and inspect the target wheel. REPAIR as necessary. If OK, INSTALL a new OSS sensor.

TJ10 CHECK THE RESISTANCE OF THE OSS SENSOR

Measure the resistance between:

(+) Output Shaft Speed (OSS) Sensor Connector, Component Side	(-) Output Shaft Speed (OSS) Sensor Connector, Component Side
OSS	SIGRTN

Is the resistance between 400 ohms - 1.25K ohms?

Yes	No
INSTALL a new PCM. REFER to FLASH ELECTRICALLY ERASABLE PROGRAMMABLE READ ONLY MEMORY (EEPROM) .	REMOVE the OSS sensor and inspect the target wheel. REPAIR as necessary. If OK, INSTALL a new OSS sensor.

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.