2001 TOYOTA SUPRA

2JZ-GE 3.0L NA inline-6 with VVT-i (JZA80 SZ / SZ-R facelift)RWDgas
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Dead battery / stuck in Park? Emergency neutral procedure for this Supra
Every control module on the 1993-2002 Toyota Supra — where it lives, replacement time, and what it takes to program a replacement. Modules marked dealer / factory tool won't work after a part swap alone — budget for programming.
Air Conditioning Amplifier (A/C AMP)1.5 hr R&Rno coding
📍 Behind center dash, above or behind climate control panel
⚠️ Controls automatic climate control on equipped models. Manual A/C systems do not have this module.
Electronic Controlled Transmission (ECT ECU)1.5 hr R&Rrelearn only +0.2 hr▸ programming details
📍 Center console area, behind shifter trim or under passenger carpet
🔧 Toyota Diagnostic Tester
⚠️ Only on automatic transmission models. Adaptive shift learning occurs automatically after replacement.
Engine Control Module (ECM)1.2 hr R&Rrelearn only +0.3 hr▸ programming details
📍 Engine bay, passenger side firewall behind strut tower
🔧 Toyota Diagnostic Tester / early Techstream
⚠️ 2JZ-GTE turbo models require idle relearn and throttle position initialization. Pre-1996 models use OBD-I, 1996+ use OBD-II.
Theft Deterrent / Immobilizer ECU (IMMO ECU)1.2 hr R&Rdealer / factory tool +1.0 hr▸ programming details
📍 Behind instrument cluster or center console area
🔧 Toyota Diagnostic Tester
⚠️ 1997+ models with factory immobilizer. Key registration required; all keys must be present for programming. Aftermarket immobilizer bypasses common in modified vehicles.
Anti-lock Brake System Control Module (ABS ECU)1.0 hr R&Rno coding
📍 Engine bay, driver side near brake master cylinder or under driver kick panel
⚠️ Integrated with hydraulic unit on some models. Brake bleeding required after replacement.
Combination Meter (METER)1.0 hr R&Rno coding
📍 Instrument panel, behind gauge cluster
⚠️ Odometer is stored in cluster; mileage discrepancy if not matched. Some markets require legal odometer transfer documentation.
Supplemental Restraint System Control Module (SRS ECU)0.8 hr R&Rno coding
📍 Center console, under shifter trim or behind center stack
⚠️ Battery disconnect and 90-second wait required. Crash data stored; may need clearing with scan tool.
Electronically Modulated Suspension Control Module (EMS ECU)0.8 hr R&Rno coding
📍 Trunk area, driver side or behind rear trim panel
⚠️ Only on models equipped with active suspension. Rare option; many systems disabled or removed due to maintenance costs.
Audio System (AUDIO)0.5 hr R&Rno coding
📍 Center dash, DIN or double-DIN slot
⚠️ Factory head units often replaced with aftermarket. Some models have security code requirement after battery disconnect.
Fuel Pump Resistor / Circuit Opening Relay (EFI RELAY)0.3 hr R&Rno coding
📍 Engine bay, driver side fender well or relay box
⚠️ Not a true control module but critical relay controlled by ECM. Common failure point causing no-start.
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.
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Mechanic · 20+ years.
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