Chevrolet Sonic Repair Manual: Crankshaft Position System Variation Learn

Chevrolet Sonic Repair Manual / Powertrain / Internal Combustion Powertrain Control / Engine Control / General / 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.

Charge Air Cooler Replacement

Charge Air Cooler Replacement Callout Component Name Preliminary Procedures Disconnect the negative battery cable. Refer to Battery ...

Electronic Ignition System Description

Electronic Ignition System Operation The electronic ignition system produces and controls the high energy secondary spark. This spark ignites the compressed air/fuel mixture at precisely t ...

Other materials:

Front Bumper Fascia Replacement
Front Bumper Fascia Replacement Callout Component Name Preliminary Procedures Remove the radiator opening upper cover. Refer to Front Opening Upper Cover Replacement. Remove the front bumper opening lower cover. Refer to ...

Starting System Description and Operation
The starter motors are non-repairable starter motors. They have pole pieces that are arranged around the armature. Both solenoid windings are energized. The pull-in winding circuit is completed to the ground through the starter motor. The windings work together magnetically to pull and hold in ...

K20 Engine Control Module: Programming and Setup
Special Tools EL-49642 SPS Programming Support Tool For equivalent regional tools, refer to Special Tools. Note: DO NOT program a control module unless directed to by a service procedure or a service bulletin. If the control module is not properly configured with the correct ...

0.007