Ignition Timing: Adjustments
Setting Ignition Timing:
1. Start and idle engine.
2. Using a jumper wire or Toyota service tool #SST 09843-18020, jump Data Link Connector (DLC) 1 terminals E1 and TE1.
3. Connect timing light to #1 Spark Plug Wire.
Checking Ignition Timing:
4. Check ignition timing with transmission in Neutral and engine warm, cooling fan OFF.
Timing: 10° BTDC
Setting Ignition Timing:
5. If reading is incorrect, loosen Distributor hold-down bolts and adjust by turning Distributor.
6. Retighten hold-down bolts.
7. Disconnect jumper wire from DLC 1.