1992 Geo Tracker LSi, AutomaticFACTORY OEM SERVICE PROCEDURE

Electronic Control Module (ECM): Tracker

Power for ECM is received from the taillight/dome fuse, located in fuse block. The ECM distributes power or controls ground of various sensor, switches and solenoids for engine control.

ECM LOCATION

Application Location
Metro On Left Of Steering Column
Prizm Behind Center Console, Under Heater Case
Storm (1) On Left Of Steering Column
Tracker Under Left Side Of Dash, Near Kick Panel
(1) Automatic Transaxle Control Module (ATCM) on 4-speed transaxle (GSi models only) is mounted on left side of steering column. DO NOTΒ  confuse this with the ECM. ECM has 24-pin and 32-pin connectors; ATCM has 16-pin and 20-pin connectors.
NOTE: Components are grouped into 2 categories. The first category is INPUT DEVICESΒ , which are components that control or produce voltage signals monitored by the control unit. The second category is OUTPUT SIGNALSΒ , which are components controlled by the control unit.
Factory Service Tools

Use the Manual With the Right Hardware

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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