Vehicle Check/Preparation
Before using the scan tool to perform any test, refer to the important Safety Notice located at the beginning of this manual and the necessary visual checks listed below.

Visual Checks

• Inspect the air cleaner and inlet duct.
• Check all engine vacuum hoses for damage, leaks, cracks, kinks and proper routing.
• Check Electronic 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, A/C, blower and fans.
• Start engine and bring up to normal operating temperature before running Quick Test.