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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Engine Mount Control Unit: Testing and Inspection

Control Unit Input Test:






NOTE: Check fuse #2 (15A) in dash fuse box before testing.

1. Disconnect control unit 5 pin connector.
2. Inspect connector terminals. Ensure all are making good contact.
3. Repair any bent, loose, or corroded terminals and perform tests as described on image chart.
4. If any test indicates a problem, correct cause and recheck.
5. If tests are as specified and system still fails to operate properly, replace control unit.