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.
Abs Function Test: Testing
- Turn ignition switch to OFF position. Connect ABS Tester (07HAJ-SG0010B) to 6-pin inspection connector. See Figure . Start engine. Release parking brake. Place mode selector to "1" position. Push START TEST button. TEST-IN-PROGRESS light should come on. Within 1-2 seconds, 4 monitor lights should come on. If tester lights do not come on, ABS tester is faulty.
- If ANTI-LOCK light comes on, ABS tester harness is faulty. Turn mode selector to "2" position. Depress brake pedal. Push START TEST button. ANTI-LOCK warning light should not come on and kickback should be felt in brake pedal.
- If light comes on or kickback is not felt, see ANTI-LOCK WARNING LIGHT under TROUBLE SHOOTING . Place mode selector in "3", "4" and "5" positions. Repeat step 2) for each test mode. Results should be as in test mode "2". If results differ, see ANTI-LOCK WARNING LIGHT under TROUBLE SHOOTING . Breakdown of modes is as follows:
- Mode 1 - Sends simulated driving signal of each wheel to control unit to check self-diagnostic circuit. No kickback should be felt in brake pedal.
- Mode 2 - Sends driving signal of each wheel and then sends lock signal of left rear wheel to control unit. A kickback should be felt in brake pedal.
- Mode 3 - Sends driving signal of each wheel and then sends lock signal of right rear wheel to control unit. A kickback should be felt in brake pedal.
- Mode 4 - Sends driving signal of each wheel and then sends lock signal of left front wheel to control unit. A kickback should be felt in brake pedal.
- Mode 5 - Sends driving signal of each wheel and then sends lock signal of right front wheel to control unit. A kickback should be felt in brake pedal.
- Mode 6 - Not used.
If brake pedal does not kickback in modes 2-5 as indicated, perform test several times before trouble shooting other parts of system.
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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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