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Home >> Lexus >> 1994 >> LS 400 >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul >> Computerized Engine Controls >> Engine Control Module (ECM) >> ECM Removal
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ECM Removal

  1. DISCONNECT NEGATIVE TERMINAL CABLE FROM BATTERY
    WARNING: Work must be started after 90 seconds from the time the ignition switch is turned to the "LOCK" position and the negative (-) terminal cable is disconnected from the battery.
  2. REMOVE INSTRUMENT PANEL UNDER COVER
    1. (a) Pry the under cover, and disconnect it from the instrument panel. (b) Disconnect the step light from the under cover.
  3. REMOVE GLOVE COMPARTMENT
    1. (a) Disconnect the wiring harness connector (for the airbag) from the glove compartment. (b) Remove the 2 compartment panels from the compartment door. (c) Disconnect the 2 check arms from the compartment door. (d) Remove the left check arm. (e) Remove the 5 clips. (f) Insert a gasket scraper between the instrumentpanel sefety pad and compartment, and pull the compartment, and disconnect it from the instrument panel. (g) Disconnect the compartment light connector, and remove the compartment.
  4. REMOVE LOWER INSTRUMENT PANEL PAD
    1. (a) Remove the 5 bolts, and disconnect the lower instrument panel pad from the instrument panel. (b) Disconnect the 4 connectors from the ECM.
  5. REMOVE ECM
    1. Remove the 3 nuts and ECM.
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