Vehicle Speed Sensor
WARNING: This page is about a different car, the 2008 Infiniti EX35. However, it is still accessible from the selected car via links, so may be relevant.
Signals are input from two systems - from vehicle speed sensor A/T (revolution sensor) installed on the A/T and from unified meter and A/C amp. so normal driving is possible even if there is a malfunction in one of the systems. If vehicle speed sensor A/T (revolution sensor) has unusual cases, 5th gear and manual mode are prohibited.