Possible Causes
WARNING: This page is about a different car, the 2003 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.
APP sensor circuit range/performance problem is detected when rationally incorrect voltage is sent to ECM compared with the signals from APP sensor 1 and APP sensor 2. Possible causes are:
- Harness or connectors (APP sensor 1 and 2 circuit is open or shorted).
- Faulty APP sensor 1 and 2.