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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Active Test

ACTIVE TEST

HINT: Performing ACTIVE TEST using the hand-held tester or the OBD II scan tool allows the relay, VSV, actuator and so on to operate without parts removal. Performing ACTIVE TEST as a first step of troubleshooting is one method to shorten diagnostic time. It is possible to display DATA LIST during ACTIVE TEST.







a. Turn the power switch ON (READY) and warm up the engine.
b. Turn the power switch OFF.
c. Connect the hand-held tester to the DLC3.
d. Turn the power switch ON (IG).
e. Turn the hand-held tester ON.
f. Enter the following menus: DIAGNOSIS / ENHANCED OBD II / ACTIVE TEST.
g. According to the display on the tester, perform items in ACTIVE TEST.