1986 Subaru RXFACTORY OEM SERVICE PROCEDURE

Trouble Code Component Menu

LIST OF ECM TROUBLE CODES

Trouble Code Component Affected
11 Ignition Pulse System (1) (Engine OFF)
71 Ignition Pulse System (2) (Engine OFF)
73 Ignition Pulse System (3) (Engine OFF)
74 Ignition Pulse System (4) (Engine OFF)
22 Speed Sensor
23 O2Sensor
24 Thermosensor
25 Pressure Sensor
32 Duty Solenoid Valve System
33 (5) Main System in Feedback System
34 Back-Up System
42 (6) Clutch Switch System
52 Air Suction Controlling Solenoid Valve
53 Fuel Pump Control System
54 Auto. Choke Control
55 (7) Shift-Up System
62 EGR Solenoid Valve
63 Canister Purge Solenoid Valve
64 Vacuum Sensor Solenoid Valve
65 Fuel Bowl Vent Solenoid Valve
(1) Applies to Federal FWD 5-speed models.
(2) Applies to Calif. FWD 5-speed models.
(3) Applies to Calif. 4WD 5-speed models.
(4) Applies to Calif. 4WD auto. trans. models.
(5) Applies to Test Mode only.
(6) Excludes auto. trans. and 4WD models.
(7) Auto. trans. models only.
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When to See a Mechanic

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

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