Ignition Timing: Lx470
- Start engine and warm engine to normal operating temperature. Shut engine off. Remove intake manifold cover located on top of engine, above intake manifold. Connect scan tool to data link connector No. 3. See Figure. Scan tool is used to read engine RPM.
- Connect timing light lead to wire at ignition coil electrical connector on top of driver's side valve cover at cylinder No. 1. See Fig 1. Cylinder No. 1 is front cylinder on left side of engine when viewed from flywheel end of engine. See Figure.
- Apply parking brake. Place transmission in Neutral. Start engine and maintain engine at 2500 RPM for 90 seconds and then allow engine to idle. Ensure idle speed is 650-750 RPM.
- Install Jumper Wire (SST 09843-18020) between terminals TC and E1 on data link connector No. 1. See Fig 2. Data link connector No. 1 is located on passenger's side front fender, behind air cleaner.
- Timing marks are located on timing belt cover, near crankshaft pulley. Ensure base ignition timing is 5-15 degrees BTDC at idle with transmission in Neutral. Shut engine off. Remove jumper wire, timing light and scan tool. Reinstall intake manifold cover.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002