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

Initial Inspection

INSPECTION

Before performing diagnostics, check the following items which might affect body integrated unit malfunctions.

1. Measure the battery voltage and check electrolyte.

Standard voltage: 12 V, or more
Specific gravity: Above 1.260

2. Check the fuse condition.
Make sure that ampere of the fuse is setting value, and it is not blown out.
3. Check the connecting condition of harness and harness connector.
4. Confirm settings of body integrated unit are corresponded to vehicle equipment.
5. Confirm setting are corresponded to vehicle equipment by function setting (ECM customizing) of body integrated unit.
6. Confirm "Factory initial setting" of body integrated unit registrations is "Market".
7. Confirm key illumination does not blink with ignition switch turned to ON.