1998 TOYOTA CHASER

1JZ-GE 2.5L VVT-i NA I6 (JZX100, Tourer S / Avante) - 200 PSRWDgas
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Dead battery / stuck in Park? Emergency neutral procedure for this Chaser
Every control module on the 1996-2001 Toyota Chaser — 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.
Transmission Control Module / Electronic Controlled Transmission (ECT ECU)1.5 hr R&Rrelearn only +0.3 hr▸ programming details
📍 Under center console or attached to transmission body (varies by transmission type)
🔧 Toyota Techstream or test drive relearn
⚠️ Adaptive shift learning required; some models integrated with ECM
Air Conditioning Amplifier (A/C AMP)1.2 hr R&Rno coding
📍 Behind center dash HVAC controls
⚠️ Typically plug-and-play; climate control calibration may self-learn
Engine Control Module (ECM)1.2 hr R&Rdealer / factory tool +0.5 hr▸ programming details
📍 Engine bay, passenger side firewall near strut tower
🔧 Toyota Techstream or Diagnostic Tester
⚠️ Immobilizer pairing required; VIN registration necessary on replacement
Anti-lock Brake System Control Module (ABS ECU)1.0 hr R&Rrelearn only +0.2 hr▸ programming details
📍 Engine bay, driver side near brake master cylinder or under driver kick panel
🔧 Toyota Techstream or initialization procedure
⚠️ Brake bleeding and sensor calibration required after replacement
Combination Meter (METER)1.0 hr R&Rdealer / factory tool +0.4 hr▸ programming details
📍 Instrument panel behind steering wheel
🔧 Toyota Techstream
⚠️ Odometer transfer/registration required by law; VIN programming needed
Electric Power Steering ECU (EPS ECU)1.0 hr R&Rrelearn only +0.2 hr▸ programming details
📍 Under driver side dash or attached to steering column
🔧 Toyota Techstream or steering angle sensor calibration
⚠️ Only on models with EPS (not all Chasers); steering angle sensor zero-point calibration required
Height Control ECU / Electronically Modulated Suspension (HEIGHT ECU)0.9 hr R&Rrelearn only +0.3 hr▸ programming details
📍 Trunk area, driver side near suspension components
🔧 Toyota Techstream
⚠️ Only on models with active suspension; height sensor calibration required
SRS Airbag Control Module (SRS ECU)0.8 hr R&Rrelearn only +0.3 hr▸ programming details
📍 Under center console between front seats
🔧 Toyota Techstream
⚠️ Battery disconnect required; crash data clearing necessary
Immobilizer ECU (IMMO ECU)0.7 hr R&Rdealer / factory tool +0.8 hr▸ programming details
📍 Behind instrument cluster or integrated with ECM
🔧 Toyota Techstream
⚠️ All keys must be re-registered; security code required; may require ECM replacement on some models
Audio System (AUDIO)0.6 hr R&Rrelearn only +0.1 hr▸ programming details
📍 Center dash above HVAC controls
🔧 Security code entry via head unit
⚠️ Anti-theft code required after battery disconnect or 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.
🔧 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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