Fitment notes: Japanese BCI Group 35; verify battery tray dimensions
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Every control module on the 1984-1988 Nissan Maxima — where it lives, replacement time, and what it takes to program a replacement.
Air Conditioning Amplifier (A/C AMP)1.5 hr R&Rno codingautomatic climate control
📍 behind center console, above transmission tunnel
⚠️ Controls automatic temperature regulation; manual A/C systems use mechanical controls only
Engine Control Module (ECM)1.2 hr R&Rno coding
📍 passenger side firewall, below windshield cowl
⚠️ VG30E/VG30ET engines; analog Nissan ECCS system with limited self-diagnostics via LED on ECM or dash; no programming capability
Combination Meter (METER)0.8 hr R&Rno codingdigital instrument cluster option
📍 instrument panel, behind gauge cluster face
⚠️ Optional digital/electronic cluster; analog clusters are purely electromechanical with no control module
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 Nissan Maxima 3.0L V6 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.