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Home >> Lexus >> 1996 >> SC 400 V8-4.0L (1UZ-FE) >> Repair and Diagnosis >> Relays and Modules >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Engine Control Module >> Testing and Inspection >> Component Tests and General Diagnostics >> ECM Inspection
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ECM Inspection






1. REMOVE NO.2 UNDER COVER.
2. REMOVE ECM PROTECTOR.
- Take out the front side of the floor carpet.
- Remove the 2 nuts and ECM protector.





3. REMOVE ECM
- Remove the nut, and disconnect the ECM from the floor panel.
- Fully loosen the bolt and disconnect the 2 ECM connectors, and remove the ECM.
4. INSPECT ECM.





5. REINSTALL ECM.
- Connect the 2 ECM connectors.
- Match the male connector correctly with the female connector, then press them together.
- Tighten the bolt.
- Make sure the connector is completely connected, by tightening the bolt until there is a clearance of less than 1 mm (0.04 in.) between bottom of the male connector and end of the female connector.
- Install the ECM with the nut.
6. REINSTALL ECM PROTECTOR.
- Install the ECM protector with the 2 nuts.
- Install the floor carpet.
7. REINSTALL NO.2 UNDER COVER.

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