Fitment notes: Battery located in front trunk area
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Every control module on the 1985-1989 Toyota MR2 — where it lives, replacement time, and what it takes to program a replacement.
Combination Meter (METER)1.5 hr R&Rno coding
📍 Dashboard instrument cluster housing
⚠️ Mechanical odometer; no electronic programming required
Engine Control Unit (ECU)1.2 hr R&Rno coding
📍 Behind passenger seat, under carpet panel on right side
⚠️ 4A-GE and 4A-GZE engines; early units are plug-and-play, no programming required
Anti-lock Brake System Control Module (ABS ECU)0.8 hr R&Rno coding
📍 Engine bay, driver side near strut tower
⚠️ Optional equipment on Supercharged models from 1988+; not available on all trims
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 1985 Toyota MR2 1.6L I4 and can vary by trim.
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Mechanic · 20+ years.