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:

Tire Pressure Indicator Sensor Replacement
Removal Procedure Raise the vehicle on a suitable support. Refer to Lifting and Jacking the Vehicle. Remove the tire/wheel assembly from the vehicle. Refer to Tire and Wheel Removal and Installation. Dismount the tire from the rim. Refer to Tire Dismounting and Mounting. ...

Front Wheel Drive Shaft Inner Joint and Boot Replacement
Special Tools DT-35910 Drive Axle Boot Clamp Pliers For equivalent regional tools, refer to Special Tools. Disassemble Procedure Note: There are types of inner joints available. If the inner joint is connected with the CV style joint, the inner joint is not serviced separa ...

Radiator Surge Tank Replacement
Radiator Surge Tank Replacement Callout Component Name Preliminary Procedure Drain the coolant. Refer to Cooling System Draining and Filling Remove the engine coolant air bleed hose. Refer to Engine Coolant Air Bleed ...

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