Chevrolet Trax: Brake pedal position sensor learn

Calibration Criteria

NOTE:

Do not apply the brake pedal during the brake pedal position sensor calibration procedure. Any movement of the brake pedal during this procedure will cause the calibration procedure to fail. If this occurs, the brake pedal position sensor calibration must be repeated.

Brake pedal position sensor calibration must be performed after the brake pedal position sensor, body control module (BCM), or engine control module (ECM) have been serviced. The calibration procedure will set the brake pedal position sensor home value. This value is used by the BCM and ECM to determine the action of the driver applying the brake system and to provide this information to the vehicle subsystems via serial data

Calibration Procedure

1. Apply the parking brake.
2. Ignition ON, engine OFF, place the transmission in the PARK position for automatic transmission or NEUTRAL position for manual transmission.
3. Install a scan tool.
4. Clear all DTCs before proceeding.
5. Navigate to the Configuration/Reset Functions menu of the BCM.
6. Select the Brake Pedal Position Sensor Learn procedure and follow the directions displayed on the screen.
7. Navigate to the Configuration/Reset Functions menu of the ECM.
8. Select the Learn Functions menu.
9. Select the Brake Pedal Position Sensor Learn procedure and follow the directions displayed on the screen.

ENGINE CONTROL MODULE REPLACEMENT

Fig. 1: Engine Control Module

Engine Control Module Replacement

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.

1. 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.

2. Select the Crankshaft Position Variation Learn Procedure with a scan tool and follow the on screen instructions:
3. 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

4. All OK.

ENGINE COOLANT TEMPERATURE SENSOR REPLACEMENT (WATER OUTLET)

Fig. 2: Engine Coolant Temperature Sensor (Water Outlet)

Engine Coolant Temperature Sensor Replacement (Water Outlet)

ENGINE COOLANT TEMPERATURE SENSOR REPLACEMENT (RADIATOR)

Fig. 3: Engine Coolant Temperature Sensor (Radiator)

Engine Coolant Temperature Sensor Replacement (Radiator)

MASS AIRFLOW SENSOR REPLACEMENT

Fig. 4: Mass Airflow Sensor

Mass Airflow Sensor Replacement

INTAKE AIR PRESSURE AND TEMPERATURE SENSOR REPLACEMENT

Fig. 5: Intake Air Pressure and Temperature Sensor

Intake Air Pressure and Temperature Sensor Replacement

MANIFOLD ABSOLUTE PRESSURE SENSOR REPLACEMENT

Fig. 6: Manifold Absolute Pressure Sensor

Manifold Absolute Pressure Sensor Replacement

TURBOCHARGER WASTEGATE REGULATOR SOLENOID VALVE REPLACEMENT

Fig. 7: Turbocharger Wastegate Regulator Solenoid Valve

Turbocharger Wastegate Regulator Solenoid Valve Replacement

HEATED OXYGEN SENSOR REPLACEMENT - SENSOR 1

Fig. 8: Heated Oxygen Sensor 1

Heated Oxygen Sensor Replacement - Sensor 1

HEATED OXYGEN SENSOR REPLACEMENT - SENSOR 2

Fig. 9: Heated Oxygen Sensor 2

Heated Oxygen Sensor Replacement - Sensor 2

ENGINE OIL PRESSURE INDICATOR SWITCH REPLACEMENT

Fig. 10: Engine Oil Pressure Indicator Switch

Engine Oil Pressure Indicator Switch Replacement

ACCELERATOR PEDAL POSITION SENSOR REPLACEMENT

Fig. 11: Accelerator Pedal Position Sensor & Fastener

Accelerator Pedal Position Sensor Replacement

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