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Every control module on the 1988-1992 Mazda MX-6 — where it lives, replacement time, and what it takes to program a replacement.
Instrument Cluster (IC)1.8 hr R&Rno coding
📍 Dashboard behind instrument panel
⚠️ Analog cluster with basic electronics. Odometer is mechanical, not programmable.
Anti-Lock Brake System Control Unit (ABS)1.5 hr R&Rno coding
📍 Engine bay, driver side near brake master cylinder
⚠️ Optional equipment. Not available until 1989 model year. Requires brake bleeding after replacement.
Engine Control Unit (ECU)1.2 hr R&Rrelearn only +0.3 hr▸ programming details
📍 Engine bay, passenger side firewall or behind passenger kick panel
🔧 Idle relearn procedure, no scan tool required
⚠️ Early models (1988-1989) may have ECU under passenger seat. Idle air control relearn required after replacement.
Audio Unit (AU)0.8 hr R&Rno coding
📍 Center dashboard
⚠️ Aftermarket replacements common. May require radio code entry if equipped.
Aftermarket tool coverage varies by software version and vehicle build — treat "aftermarket tool" rows as "usually possible" and verify against your tool maker's coverage list before promising a customer. Spot a wrong location or hour? Tell us — corrections ship fast here.
Size-standard part numbers — verify your connector type before buying. Rear blades are model-specific; check the package's vehicle list.
Fuel economy figures are EPA data via fueleconomy.gov (median across matching trims). Performance figures are compiled estimates for the 1989 Mazda MX-6 2.2L I4 Turbo and can vary by trim.
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Lexus & Toyota Mechanic · 20+ years.