ME9 / P0021 00
Read the instructions below then
start the fault diagnostic procedure.
Symptom: Malfunction Indicator Lamp
Intake Cam Angle Bank 2, Control Failure
Fault symptom
Malfunction Indicator Lamp
On-board diagnosis
Type of diagnosis:
Enable criteria:
| Rotational speed at least 1000 rpm. |
| No fault on the camshaft position sensor or solenoid and no chain fault. |
Fault criteria:
| The camshaft is not in locked mode during start. |
Diagnostic help
Diagnosis regards:
| Correct oil pressure is required for the cam phasing mechanism to operate. The wrong viscosity or the presence of air due to a low level can generate a diagnostic trouble code. The diagnostic tool contains a special function for checking camshaft control. |
Functions in the diagnostic tool related to the fault:
| • | Requested Intake Cam Angle Bank 2 |
| • | Deviation from Requested Intake Cam Angle Bank 2 |
| • | Intake Cam Angle Solenoid Bank 2 |
| (See also description of readings/activations in diagnostic tool) |
