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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Check the Ground

CHECK THE GROUND







1. CHECK THE RESISTANCE BETWEEN TERMINALS.
1. Set the starter switch to "LOCK" and connect the signal check harness.
2. Disconnect the signal check harness connector on the ECU side.
3. Measure the resistance between PGD1(D1), PGD2(E4), PGD3(E5) and battery (-) terminals.

Standard: Less than 1 ohm