Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Data List / Active Test
- PERFORM ACTIVE TEST
HINT.
Using the intelligent tester or Techstream to perform ACTIVE TEST allows relays, VSVs, actuators and other items to be operated without removing any parts. This non-intrusive functional inspection can be very useful because intermittent operation may be discovered before parts or wiring is disturbed Performing Active Tests early in troubleshooting is one way to save diagnostic time DATA LIST information can be displayed while performing ACTIVE TEST
NOTE: When the BODY NO. 5 (front controller) related vehicle switch is ON, Active Test items related to the vehicle switch are prohibited (double operation prohibition). Check that the vehicle switches are OFF before performing ACTIVE TEST.- Connect the intelligent tester or Techstream to the DLC3.
- Turn the power switch ON (IG)
- Turn the tester on
- Enter the following menus
- Intelligent tester - Select. DIAGNOSIS / OBD / MOBD / BODY NO.5 / ACTIVE TEST / ALL.
- Techstream - Select. Body Electrical / Body No.5 / Active Test
- According to the display on tester, perform the "ACTIVE TEST" or "Active Test"
- Intelligent tester
BODY NO.5:
ACTIVE TEST - BODY NO.5Tester Display Test Part Control Range RR DEF Rear window defogger relay operation OFF or ON - Techstream
Body No.5:
ACTIVE TEST - BODY NO.5Tester Display Test Part Control Range Rear Defogger operation Rear window defogger relay operation OFF or ON - Intelligent tester
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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