404 Throttle Jacking Unit, Control Range-Open Circuit

Diagnosis conditions 

• Driving with changing pedal position

Possible fault cause 

• Open circuit
• Short circuit to B+

Affected terminals 

Terminal I/7 and I/9

Diagnosis/Troubleshooting 

Fig 1: P1505 Work Instruction (Control Range-Open Circuit, Step 1)

Courtesy of PORSCHE OF NORTH AMERICA, INC.

Remove connector of throttle part:

Fig 2: Locating Throttle Unit Wiring Harness Connector

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Fig 3: P1505 Work Instruction (Control Range-Open Circuit, Step 2 Through 5)

Courtesy of PORSCHE OF NORTH AMERICA, INC.