Vehicle Check/Preparation

Vehicle Check/Preparation

Visual Checks
- Inspect the air cleaner and inlet duct.
- Check all engine vacuum hoses for damage, leaks, cracks, kinks and correct routing.
- Check the electronic engine control (EEC) system wiring harness for correct connections, bent or broken pins, corrosion, loose wires, and correct routing.
- Check the 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 safety steps required to start and run vehicle tests. Apply the parking brake, place the gear selector lever firmly into the PARK position on automatic transmission vehicles or NEUTRAL on manual transmission vehicles, and block the drive wheels.
- Turn off ALL electrical loads: radios, lamps, A/C, blower and fans.
- Start the engine (if the engine runs) and bring it up to the normal operating temperature before running the Quick Test.