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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AA7 - Isolation of Problem to Spout Circuit



- Reconnect Ignition Control Module (ICM) and Camshaft Position (CMP) sensor, as applicable.

- Breakout box installed.

- Connect Powertrain Control Module (PCM) to breakout box.

- Timing switch to "DIST" position on breakout box.

- Attempt to start vehicle.

- Does the vehicle start?

Yes -- Timing switch to "Computed" position on breakout box. Go to AA12. AA12 - Check PIP Signal

No -- Go to AA8. AA8 - Check Spout Signal