Fitment notes: Compact battery for small displacement engine
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Every control module on the 1981-1987 Toyota Corolla — where it lives, replacement time, and what it takes to program a replacement.
Combination Meter (METER)1.5 hr R&Rno coding
📍 Instrument panel, behind gauge cluster
⚠️ Electromechanical; no electronic control module in most variants. Digital clusters (rare) may have basic logic board but no coding required.
Engine Control Unit (ECU)1.2 hr R&Rno coding
📍 Under passenger seat or behind kick panel, right side
⚠️ Only on fuel-injected models (4A-GE, 4A-LC). Carbureted models have no ECU. Early units are analog; no programming capability. Plug-and-play replacement.
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 1982 Toyota Corolla 1.3L I4 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.