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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Compass Test Failure

COMPASS TEST FAILURE

WHEN MONITORED
With the ignition on.

SET CONDITION
The Electronic Overhead Module (EOM) display reads "FAILED SELF TEST."

POSSIBLE CAUSES
- Electronic overhead module

1. ELECTRONIC OVERHEAD MODULE
Perform the EOM Self Test. Self-Diagnostic Test
Turn the ignition off.
Depress and hold the RESET and C/T buttons while turning the ignition on.

NOTE: This test may also be performed using the DRBIII(R).

Q: Does the EOM or DRBIII(R) display "FAILED SELF TEST"?

YES: Replace the EOM. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
NO: Test Complete.