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:

Power Door Locks
Select Power Door Locks and the following may display: Auto Door Unlock Unlock Door Anti Lock Out Delayed Door Lock Auto Door Unlock This allows selection of which of the doors will automatically unlock when the vehicle is shifted into P (Park) or the key is removed. Select All Doors, ...

Rear Wheelhouse Liner Replacement (Sedan - Left)
Rear Wheelhouse Liner Replacement Callout Component Name Preliminary Procedure Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation. 1 Rear Wheelhouse Panel Liner ...

Air Conditioning Evaporator Hose Assembly Replacement
Air Conditioning Evaporator Hose Assembly Replacement Callout Component Name 1 Air Conditioning Evaporator Hose Assembly Nut. Caution: Refer to Fastener Caution. Tighten 22 Y (16 lb f ...

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