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

Active Test

ACTIVE TEST

HINT: Performing the 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 the ACTIVE TEST as a first step of troubleshooting is one method to shorten diagnostic time.

It is possible to display the DATA LIST during the ACTIVE TEST.

Part 1:




Part 2:




a. Warm up the engine.
b. Turn the ignition switch OFF.
c. Connect the hand-held tester or the OBD II scan tool to the DLC3.
d. Turn the ignition switch ON.
e. Push the "ON" button of the hand-held tester or the OBD II scan tool.
f. Select the item "DIAGNOSIS/ENHANCED OBD II/ACTIVE TEST".
g. According to the display on the tester, perform the "ACTIVE TEST".