Fault code 4: Elimination:
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2004 Porsche Boxster, 2003 Porsche Boxster, 2002 Porsche Boxster, 2001 Porsche Boxster, and 2000 Porsche Boxster. However, it is still accessible from the selected car via links, so may be relevant.
- Visually inspect the sensor linkage and check the plastic holder of the sensor.
- Switch off ignition
- Pull plug off the angle sensor for HBA, rear
- Switch ignition on
- Measure voltage between terminal 5 of the sensor plug and ground Voltmeter display approx. 5 V
- Measure voltage between terminal 5 and terminal 1 of the sensor plug
- Voltmeter display approx. 5 V
- In the PST2 menu item Actual values, select Sensor voltage, spring travel 2 (rear)
- Connect a wiring harness jumper to terminals 4 and 5 of the sensor plug
PST2 display approx. 5 V
If no fault is detected in the wires, replace the angle sensor for HBA.