The following tools are needed for troubleshooting:

Fig 1: Identifying Porsche System Tester 2

Courtesy of PORSCHE OF NORTH AMERICA, INC.

Porsche System Tester 2 or commercially available scan tool

Fig 2: Identifying Special Tool 9616

Courtesy of PORSCHE OF NORTH AMERICA, INC.

Special tool 9616

Fig 3: Identifying Digital Multimeter

Courtesy of PORSCHE OF NORTH AMERICA, INC.

Commercially available digital multimeter

Fig 4: Identifying Special Tool V.A.G. 1315 A/1

Courtesy of PORSCHE OF NORTH AMERICA, INC.

Special tool V.A.G 1315 A/1

Fig 5: Identifying Special Tool P 378a W/Connection Lead 9559

Courtesy of PORSCHE OF NORTH AMERICA, INC.

Special tool P 378a with connection lead 9559

Fig 6: Identifying Vacuum Tester Special Tool 9160/1

Courtesy of PORSCHE OF NORTH AMERICA, INC.

Special tool 9160/1

Fig 7: Identifying Pressure Gauge Special Tool 9103/2

Courtesy of PORSCHE OF NORTH AMERICA, INC.

Special tool 9103/2

NOTE: For resistance measurements on the components, the special tool 9616 must be connected only to the wiring harness, as the values could otherwise be falsified via the ECM.

Chapter Navigation

Return to Chapter: Tools

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.

Safety Warning

DME 5.2.2 Diagnosis: Tools: Notes

Use the Manual With the Right Hardware

When to See a Mechanic