Ignition Timing: Adjustments

1. Check engine condition (spark plugs, leaks in hoses, etc.).
2. Turn all electrical loads "OFF."
3. Warm up engine to normal operating temperature.

Test Connectors:

Fig. 13 Distributor Bolts And Vacuum Hoses:

4. Connect tachometer (white check connector) and timing light .
5. Disconnect vacuum hoses from distributor vacuum control unit. Plug hoses.
6. Ground test connector (green: 1-pin) with a jumper wire.
7. Check that idle speed is within specification:

750 ± 20 rpm (M/T in neutral)
770 ± 20 rpm (A/T in "P")

8. Adjust idle speed if not within specifications.

Timing Mark:

9. Check that timing mark on crankshaft pulley and mark on timing belt cover are aligned to specification:

5° ± 1° BTDC

10. If ignition timing is not within specifications, loosen distributor lock bolts and rotate distributor housing to adjust.
11. Tighten distributor lock bolts to 14 - 19 ft lb (19 - 25 Nm).
12. After adjustment, disconnect jumper wire from test connector and reconnect vacuum hoses.