Vehicle Check/Preparation
VEHICLE CHECK/PREPARATIONVisual Checks
NOTE: Before carrying out the Quick Test, always carry out the necessary visual checks and safety precautions listed below.
- Inspect the air cleaner and the inlet ducting.
- Check the system wiring harness for correct connections, bent or broken pins, corrosion, loose wires, and correct routing.
- Check the powertrain control module (PCM), sensors, and actuators for physical damage.
- Check the engine coolant for correct level and mixture.
- Check the transmission fluid level and quality.
- Make all necessary repairs before continuing with the Quick Test.
Vehicle Preparation
- Carry out all of the safety steps required to start and run the vehicle tests. Apply the parking brake, place the gear selector lever firmly into the PARK position (NEUTRAL on manual transmission), and block the drive wheels.
- Turn off all electrical loads, such as radios, lights, A/C, blower and fans.
- Start the engine and bring it up to normal operating temperature.