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Every control module on the 1985-1988 Toyota Cressida — where it lives, replacement time, and what it takes to program a replacement.
Air Conditioning Amplifier (A/C AMP)1.5 hr R&Rno coding
📍 Behind center console, near blower motor
⚠️ Electronic climate control models only (optional). Controls automatic temperature regulation. Manual A/C systems have no module.
Engine Control Unit (ECU)1.2 hr R&Rno coding
📍 Passenger kick panel, behind glove box
⚠️ All engines now EFI (5M-GE, 7M-GE). Improved diagnostics with Toyota Hand-Held Tester capability. Still plug-and-play replacement with no 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 1988 Toyota Cressida 2.8L I6 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.