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

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Ignition Timing: Specifications

NOTE:
- The ignition timing test is performed when the engine is at operating temperature.
- The ignition timing is controlled by the Digital Motor Electronics (DME) unit and cannot be adjusted.
- The ignition timing and engine speed can be read directly in the "Actual value" menu with the system tester 9288.

Test values: At 880 ± 40 rpm O° ± 3°