Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Ignition Timing: Adjustments

1) Start engine and allow it to warm up until the radiator fan cycles on and off once.

Service Check Connector And Data Link Connector:






2) Locate the Service Check Connector behind the right kick panel, and connect the GRN/WHT and BRN wires with a jumper wire.

Connecting Timing Light To Ignition Wire:






3) Connect a timing light to #1 Ignition Cable and aim it at the pointer on the timing belt cover near the crankshaft pulley.

4) Ignition timing must be checked at the the proper idle speed as listed below.

16° ± 2° BTDC (RED MARK) at 700 ± 50 rpm (USA)
16° ± 2° BTDC (RED MARK) at 750 ± 50 rpm (CAN)


NOTE: The White mark is Top Dead Center.

5) If timing is not correct, loosen the Distributor mounting bolts (2) and rotate the Distributor housing clockwise to retard or counter-clockwise to advance the timing.