Using Scan Tool
- Remove intake manifold cover located on top of engine. Start and warm engine up to normal operating temperature. Shut engine off. Connect scan tool to DLC3. See Figure. Use scan tool to read engine RPM.
- Connect timing light to lead wire at ignition coil electrical connector on top of driver's side valve cover at cylinder No. 1. See Figure. Cylinder No. 1 is front cylinder on right side of engine when viewed from timing belt end of engine. See Figure.
- Apply parking brake. Place transmission in Neutral. Ensure idle speed is 550-650 RPM. Check timing marks located on timing belt cover, near crankshaft pulley. Ensure base timing is 8-12 degrees BTDC at idle with A/C and all accessories off. Shut engine off. Remove timing light and scan tool. Reinstall intake manifold cover.