Operation CHARM: Car repair manuals for everyone.

Component Tests and General Diagnostics

Idle Speed and Ignition Timing Check

Idle Speed

With SDT
Check idle speed in "Data list" mode with SDT.

With GST
Check idle speed in Service $01 with GST.

Ignition Timing
Any of following two methods may be used.
1. Attach timing light to loop wire as shown.






2. Check ignition timing.