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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 86 (Engine Controls - On-Vehicle Adjustments) >> Ignition Timing >> Es300 >> Using Scan Tool
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Using Scan Tool

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2003 Lexus SC 430, 2003 Lexus RX 300, 2003 Lexus LX 470, 2003 Lexus LS 430, and 2003 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.
  1. 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.
  2. 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.
  3. 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.
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