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Home >> Fiat >> 2014 >> 500L Easy, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (DTCS P1CC0-00 To U1508-00 - C635 DDCT Automatic Transmission - 500L) >> Diagnosis And Testing >> P2766-00-Input Shaft Speed Sensor 2 Circuit Performance >> When Monitored

When Monitored

WARNING: This page is about a different variant/trim than selected.

Check 1 and Vehicle Conditions 1 

Ignition key is ON or the TCM control unit is in power-on state, the engine is not in cranking mode, the engine is in run mode, there is no gear shift in progress, the clutch is closed, the actual gear is not the Neutral.

Power supply must be between 7 volts and 24 volts and Main Micro Processor (MMP) Supply Diagnostics have not failed.

The Sensor Power Supply 3 to the Even Speed Sensor has no electrical failure.

The driveline speed diagnostic test has not failed and the engine speed wrong value diagnostic test has not failed.

Check 1 and Vehicle Conditions 2 

Ignition key is ON or the TCM control unit is in power-on state, the engine is not in cranking mode, the engine is in run mode, the check of touch point is active, the even clutch is more closed than touch point.

Power supply must be between 7 volts and 24 volts and Main Micro Processor (MMP) Supply Diagnostics have not failed.

The Sensor Power Supply 3 to the Even Speed Sensor has no electrical failure.

The driveline speed diagnostic test has not failed and the engine speed wrong value diagnostic test has not failed.

Check 1 and Vehicle Conditions 3 

Ignition key is ON or the TCM control unit is in power-on state, the engine is not in cranking mode, the drive line speed is greater then a threshold, the actual gear is an even gear (2nd, 4th, 6th).

Power supply must be between 7 volts and 24 volts and Main Micro Processor (MMP) Supply Diagnostics have not failed.

The Sensor Power Supply 3 to the Even Speed Sensor has no electrical failure.

The driveline speed diagnostic test has not failed.

Check 2 

Ignition key is ON or the TCM control unit is in power-on state, the engine is not in cranking mode and the engine is in run mode.

Power supply must be between 7 volts and 24 volts and Main Micro Processor (MMP) Supply Diagnostics have not failed.

The Sensor Power Supply 3 to the Even Speed Sensor has no electrical failure.

Check 3 

Ignition key is ON or the TCM control unit is in power-on state, the engine is not in cranking mode, the engine is in run mode, there is no gear shift in progress, the even clutch is closed, the actual gear is an even gear (2nd, 4th, 6th), engine speed wrong value diagnostic has not failed, the engine torque is below a threshold or the even clutch temperature is below a threshold, the derivative of Engine speed is positive.

Power supply must be between 7 volts and 24 volts and Main Micro Processor (MMP) Supply Diagnostics have not failed.

The Sensor Power Supply 3 to the Even Speed Sensor has no electrical failure.

Check 4 

Ignition key is ON or the TCM control unit is in power-on state, the engine is not in cranking mode, the drive line speed is greater than a threshold, the actual gear is an even gear (2nd, 4th, 6th), Wheel Speed Left Front signal diagnostic has not failed, Wheel Speed Right Front signal diagnostic has not failed.

Power supply must be between 7 volts and 24 volts and Main Micro Processor (MMP) Supply Diagnostics have not failed.

The Sensor Power Supply 3 to the Even Speed Sensor has no electrical failure.