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)

Or, hide this message: temporarily or permanently

ML - Self-Test Output/Malfunction Indicator Lamp

Enter this Pinpoint Test only when directed here from Pinpoint Test QA or Quick Test step 9.0 (Diagnosis By Symptom).

This Pinpoint Test is only intended to diagnose the following:

1. STO/MIL circuit.
2. ECA computer processor.

To prevent replacement of good components, be aware that these non-EEC areas may be faulty:

1. Fuse.
2. Bulb.
3. Socket.


PINPOINT TEST ML SCHEMATIC

Pinpoint Test ML Schematic:






TEST STEPS ML1 AND ML5

Test Steps ML1 And ML5:






TEST STEPS ML6 - ML8

Test Steps ML6 - ML8:






TEST STEP ML10

Test Step ML10:






TEST STEP ML15

Test Step ML15: