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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Measurement Method

Measurement Method:





1. Disconnect the distributor 2 pin connector and connect the special tool (test harness: MB991348) in between. (All of the terminals should be connected.)

Measurement Method:





2. Connect the analyzer primary pickup to the distributor connector terminal No. 12.
3. Connect the primary pickup ground terminal.
4. Clamp the spark plug cable with the trigger pickup.

NOTE: The wave pattern of the cylinder damped to the trigger pickup will appear at the left edge of the screen.