DTC Detection Logic
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.
DTC DETECTION LOGIC CHART
| DTC |
Item (CONSULT-III screen terms) |
A/T CHECK indicator lamp judgment flicker |
Diagnostic item is detected when... |
Possible cause |
| P0720 |
VEH SPD SEN/CIR AT |
1st |
- Signal from vehicle speed sensor A/T (revolution sensor) not input due to cut line or the like.
- Unexpected signal input during running.
- After ignition switch is turned ON, unexpected signal input from vehicle speed sensor MTR before the vehicle starts moving.
|
- Harness or connectors (Sensor circuit is open or shorted.)
- Revolution sensor
- Vehicle speed sensor MTR
|