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