Operation CHARM: Car repair manuals for everyone.
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Ignition Timing



1. Check the condition of the engine (spark plugs, leaks in hoses, etc.).
2. Warm up the engine to the normal operating temperature, then turn all electrical loads OFF.
3. Connect a tachometer and timing light to the engine.

Fig. 21 Test Connector:





4. Ground the test connector (green: 1-pin) with a jumper wire.
5. Check that the idle speed is within specification.

Idle speed: 750 ± 25 rpm in neutral or park

6. If the idle speed is not within specification, adjust it by turning the air adjusting screw.

Fig. 24 Timing Mark:






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

Ignition timing: 6±1°
(Vacuum hoses disconnected and plugged)

Fig. 25 Distributor Adjustment:





8. If the mark is not aligned, loosen the distributor lock bolt, and turn the distributor housing to make the adjustment.
10. After adjusting the ignition timing, tighten the distributor lock bolt and disconnect the jumper wire from the test connector