Toyota Supra mkiv
Toyota Engine Manual
Engine Code Diagnostic Procedures
Engine Code 12 - G, NE Signal Circuit No. 1
Engine Code 13 - G, NE Signal Circuit No. 2
Engine Code 14 - Ignition Signal Circuit
Engine Code 16 - ECT Control Signal Malfunction
Engine Code 21 - Main Oxygen Sensor Circuit
Engine Code 22 - Water Temp Sensor Circuit
Engine Code 24 - Intake Air Temp Sensor Circuit
Engine Code 25 - Air Fuel Ratio Lean Malfunction
Engine Code 27 - Sub Oxygen Sensor Circuit
Engine Code 31 - Air Flow Meter Circuit
Engine Code 34 - Turbo Pressure Malfunction
Engine Code 35 - Turbo Pressure Sensor Circuit, HAC Sensor Circuit
Engine Code 41,47 - Throttle Position Sensor(s) Circuit
Engine Code 42 - No. 1 Speed Sensor Signal Circuit
Engine Code 43 - Starter Signal Circuit
Engine Code 51 - Switch Condition Signal Circuit
Engine Code 52,53,55 - Knock Sensor Circuit
Engine Code 78 - Fuel Pump Control Circuit
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Last modified on Tuesday, October 29th, 2002