Fitment notes: Compact group size typical for 1980s Nissan vehicles
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Every control module on the 1985-1990 Nissan Pulsar — where it lives, replacement time, and what it takes to program a replacement.
Air Conditioning Amplifier (A/C Amplifier)1.5 hr R&Rno coding
📍 Behind center console, above transmission tunnel
⚠️ Only on models with automatic climate control (rare). Manual A/C systems have no control module.
Engine Control Module (ECM)1.2 hr R&Rrelearn only +0.3 hr▸ programming details
📍 Right side of engine bay, mounted on firewall near strut tower
🔧 Idle relearn procedure (drive cycle)
⚠️ E15 and E16 engines; CA16DE on later models. Simple plug-and-play with automatic adaptation. Idle relearn requires 10-minute drive cycle.
Combination Meter (METER)0.8 hr R&Rno coding
📍 Instrument panel behind gauge cluster
⚠️ Analog gauges with mechanical odometer. No electronic programming required.
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 Pulsar 1.8L 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.