P0716

P0716 08

Input RPM Sensor Circuit, Faulty Signal







Fault symptom
- Messages shown in SID.

On-board diagnosis


Enable criteria:
- Engine running and not in limp home mode.
- Engine speed over 400 rpm, selector lever in D, 1, 2 or 3.

Exceptions:
- "Lockup" not activated.
- Vehicle speed over 30 km/h

Fault criteria:
- Control module receives no voltage from the input speed sensor.

System reaction to a fault:
- Change value for input speed to that of output speed.
- If the DTC remains during several test cycles:
- Limp home

Checking the wiring harness
- Move the wiring harness at several spots and in several directions to reveal intermittent breaks and short-circuits. Check switches, connectors and crimp connections for oxidation, retracted pins and pin clamping force.

Diagnostic help

Diagnosis regards:
- Electrical fault in connecting leads or component.