Ignition Timing

1. Check engine condition (spark plugs, leaks in hoses, etc.).
2. Turn all electrical loads OFF.
3. Warm up engine and run for three minutes at 2500 - 3000 rpm.

Fig. 21 Test Connector:

4. Connect tachometer and timing light to engine.
5. Ground test connector (green: 1-pin) with a jumper wire.
6. Check that idle speed is within specification.

750 ± 25 rpm in neutral or park

7. If idle speed is not correct, adjust by turning air adjusting screw.

Fig. 24 Timing Mark:

8. Check that timing mark (YELLOW) on crankshaft pulley and mark on timing belt cover are aligned.

6 ± 1° BTDC (Vacuum hoses disconnected and plugged)

Fig. 25 Distributor Adjustment:

9. If mark is not aligned, loosen distributor lock bolt and turn distributor housing to adjust.
10. After adjustment, disconnect jumper wire from test connector and reconnect vacuum hoses.