Chevrolet Sonic Repair Manual: Crankshaft Position System Variation Learn

Chevrolet Sonic Repair Manual / Powertrain / Engine / Engine Block / Cylinder Block / Crankshaft Position System Variation Learn

Note:

The crankshaft position sensor system variation learn procedure is required when the following service procedures have been performed, regardless of whether DTC P0315 is set:

Engine replacement
Engine control module (ECM) replacement
Crankshaft damper replacement
Crankshaft replacement
Crankshaft Position Sensor Replacement
Any engine repairs which disturb the crankshaft to crankshaft position sensor relationship

Note:

The ECM monitors certain component signals to determine if all the conditions are met to continue with the Crankshaft Position Variation Learn procedure.

Ignition ON, observe the DTC information with a scan tool. Verify no other DTCs are set, except DTCs P0300–P0304, or P0315.

If DTCs are set, except DTCs P0300–P0304, or P0315, refer to Diagnostic Trouble Code (DTC) List - Vehicle for further diagnosis.

Select the Crankshaft Position Variation Learn Procedure with a scan tool and follow the on screen instructions:

Verify DTC P0315 does not set.

If DTC P0315 set, or another DTC is present refer to Diagnostic Trouble Code (DTC) List - Vehicle for the applicable DTC that set.

If the DTC does not set

All OK.

Crankshaft Balancer Replacement

Special Tools EN-470–B Angular Torque Wrench EN-49979 Crankshaft Shock Mount Retainer For equivalent regional tools, refer to Special Tools. Removal Procedure Raise and suppo ...

Crankshaft and Bearing Cleaning and Inspection

Special Tools EN-45059 Torque Angle Sensor Kit GE-571-B Dial Gauge For equivalent regional tools, refer to Special Tools. Crankshaft End Play, Check Note: Cranksha ...

Other materials:

Low Fuel Warning Light
This light comes on for a few seconds when the ignition is turned on as a check to indicate it is working. If it does not come on, have it fixed. This light comes on when the vehicle is low on fuel. The low fuel warning light comes on when there are approximately 6.0 L (1.7 gal) of fuel rema ...

Radio Rear Side Door Speaker Replacement
Radio Rear Side Door Speaker Replacement Callout Component Name Preliminary Procedure Remove the rear side door trim. Refer to Rear Side Door Trim Replacement. 1 Radio Rear Side Door Speaker Bol ...

Rear Side Door Window Weatherstrip Replacement (Sedan)
Rear Side Door Window Weatherstrip Replacement Callout Component Name Preliminary Procedures The rear door side window weatherstrip and window is serviced as one assembly. Refer to Rear Side Door Stationary Window Replacement. ...

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