Engine revolution sensor (Aprilia Shiver 750)
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Contents: Function ↓ Operating principle ↓
Function
It informs crankshaft position and speed to the Marelli control unit.
Operating principle
Inductive sensor: sinusoidal-type generated voltage; two teeth are missing on the flywheel for the reference position.
Level in wiring diagram: revolution sensor
Location:
- on the vehicle: inside the flywheel cover
- connector (if available): near the Marelli control unit
Electrical characteristics:
- Resistance at ambient temperature: 130 +/- 20 Ohm
Pin-out:
1. Negative signal; 2. Positive signal
Caution! Before carrying out any troubleshooting, carefully read the general troubleshooting concepts for electrical devices at the beginning of the check and control section in the electrical system chapter.
Axone: parameters
Engine rpm.
Axone: statuses
Synchronised panel
Example value: Start-up_Lean_Rich_Fault due to rich value_Fault due to lean value
If the probe connector is removed (voltage almost equal to zero), the status is Fault due to lean value Example value:No_under analysis_standby_Yes
[The original text can be found on the website: motoinstruction.ru]
The parameter refers to the engine revs signal: in case the signal has not been correctly identified yet, the under analysis or standby statuses may be displayed.
Axone: electrical errors
Caution! If the electric circuit is interrupted or short-circuited or no error is displayed, check the revolution sensor connector and the Marelli control unit connector: if not OK, restore; if OK, check the sensor electric characteristic is the correct one: if it is not, replace the sensor. If it is the correct one, check that there is continuity on both cables, supply insulation and ground connection insulation. Carry out the tests from the sensor connector to the sensor. If not OK, restore the cable harness/replace the sensor. If OK, perform the test from pins 9 and 23 of the marelli control unit engine connector.
Axone: logic errors
Engine revolution sensor P0336 - Synchronism lost
Error cause
Displayed if the signal is not as the control unit expects, for example due to voltage fluctuations not correctly repeated.
Troubleshooting
Check that the flywheel teeth are clean and the sensor is adequately placed in its fitting: if not OK, restore; if OK, replace the sensor.
See this article in russian language
This article has been reviewed: Serafim Sazonov
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