Chevrolet Sonic Repair Manual: Air Metering/Acceleration

Fuel Pump Control Module Programming and Setup

The fuel pump control module must be programmed with the proper calibration software. The module stores and utilizes this information however if it is not properly configured with the correct cali ...

Throttle Actuator Control (TAC) System Description

acceleratorpedalassemblyi/pappsensor1appsensor2ignitionvoltage(ifequipped)cruisecontrolswitch(ifequipped)(ifequipped)throttlebodybcmtpsensor1tpsensorreducedenginepowerlampthrottleactuatormotor The ...

Other materials:

Data Link Communications Description and Operation
Note: This is an overview of different serial data buses used by GM devices to communicate with each others. Use Data Communication Schematics to find out which serial data buses are configured for a specific vehicle. Circuit Description There are many components in a vehicle t ...

Valve Lifter Replacement
Special Tools EN-845 Suction Device For equivalent regional tools, refer to Special Tools. Removal Procedure Remove the camshaft. Refer to Camshaft Replacement. Note: Mark the assignments. Remove the valve lifter (1) use the EN-845 suction device ...

Transmission Identification Information
456789 (1) Code for Automatic Transmission (2) Model Year (3) Model for Transmission (4) Transmission Family (5) Source Code for Plant (6) Calender Year (7) Julian Date ( ...