Preform Active Test Using Intelligent Tester Operate

Total OBD & ECU Auto Diagnostics

TOAD Auto Diagnostics

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(a) Connect an intelligent tester to the DLC3.

(b) Start the engine and turn the tester ON.

(d) Select the following menu items: DIAGNOSIS / ENHANCED OBD II / ACTIVE TEST / VVT CTRL B1.

(e) Check the engine speed while operating the Oil Control Valve (OCV) using the tester.


Tester Operations

Specified Conditions


Normal engine speed


Engine idles roughly or stalls (soon after OCV switched from OFF to ON)

Go to step 4

Go to step 4

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