1987 Subaru BratFACTORY OEM SERVICE PROCEDURE

Control Units

CONTROL UNITS LOCATION

Component Location
Cruise Control Unit On left side of dash, behind instrument cluster.
Ignition Module (SPFI) On left fender panel, under ignition coil. See Figure .
Intermittent Wiper Control Unit On left side of dash, below instrument cluster. See Figure .
Knock Control Unit On right side of dash, behind glove box. See Figure .
Multi Point Fuel Injection (MPFI) Control Unit On left side of dash, below steering column. See Figure .
Pneumatic Suspension Control Unit Under driver's seat.
Power Window Control Unit Under front passenger's seat.
Single Point Fuel Injection (SPFI) Control Unit On left side of dash, below steering column. See Figure .
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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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.