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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Test 8, EEC-IV -- TFI-IV


1. Disconnect pin-in-line connector near distributor.
2. Crank engine and check for spark.
3. If spark is present, check Profile Ignition Pickup (PIP) and ignition ground wires for continuity and repair as necessary. If ground wires are satisfactory, the Electronic Engine Control (EEC-IV) system must be diagnosed.
4. If no spark is present, proceed to TEST 9.