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.
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HOMESERVICE MANUALSMAZDA1991626 LE, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)SUSPENSIONELECTRONIC SUSPENSIONSUSPENSION - ELECTRONICSYSTEM TESTINGAAS-6
1991 Mazda 626 LE, Standard
System Testing: AAS-6
1991 Mazda 626 LE, StandardSECTION AAS-6
- Indicates failure of selection switch or wiring harness. To test, turn ignition off. Unplug selection switch connector. Turn ignition on. Check voltage between ground and Black/Yellow connector wire. If 12 volts is not present, replace METER fuse or repair wiring harness.
- Check voltage between ground and Black wire of harness. If voltage is present, repair short to voltage. If voltage is not present, check operation of selection switch. See AAS SELECTOR SWITCH TEST.
- If switch does not operate , replace switch. If switch operates correctly, check for continuity between terminal "D" (Black/Red wire) at control unit and terminal "D" on selection switch. If continuity does not exist, repair harness. If continuity exist, replace control unit.
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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.