Vehicle Check/Preparation

Before using the scan tool to perform any test, refer to the important Safety Notice located at the beginning of this system and the necessary visual checks listed below. Service Precautions

Visual Checks
^ Inspect the air cleaner and inlet duct.
^ Check all engine vacuum hoses for damage, leaks, cracks, kinks and proper routing.
^ Check Electronic Engine Control (EC) system wiring harness for proper connections, bent or broken pins, corrosion, loose wires and proper routing.
^ Check the Powertrain Control Module (PCM), sensors, and actuators for physical damage.
^ Check the engine coolant for proper level and mixture.
^ Check the transmission fluid level and quality.
^ Make all necessary repairs before continuing with Quick Test.

Vehicle Preparation
^ Perform ALL safety steps required to start and run vehicle tests. Apply parking brake, place shift lever firmly into PARK position (NEUTRAL on manual transmission) and block drive wheels.
^ Turn off ALL electrical loads: radios, lamps, Air Conditioning (A/C), blower, and fans.
^ Start engine and bring up to normal operating temperature before running Quick Test.