leostunts Posted August 5, 2005 Share Posted August 5, 2005 LEXUS ERROR CODES/WHAT THEY MEAN ALL THE ERROR CODES FOR LEXUS AND WHAT THEY MEAN 1 Normal Condition. 2 Air Flow Meter signal. 3 Ignition signal. 4 Engine Coolant Temperature Sensor signal. 5 Oxygen Sensor. 6 RPM signal (Crank Angle Pulse). 7 Throttle Position Sensor signal. 8 Intake Air Temperature Sensor signal. 9 Vehicle Speed Sensor signal. 10 Starter signal. 11 Switch signal. 11 ECU/ECM. 12 Knock Control Sensor signal. 12 RPM signal. 13 Knock Control CPU (ECM). 13 RPM signal. 14 Turbocharger Pressure. 14 Ignition signal. 21 Oxygen Sensor. 22 Engine Coolant Temperature Sensor signal. 23 Intake Air Temperature Sensor signal. 24 Intake Air Temperature Sensor signal. 25 Air-Fuel Ratio Lean. 26 Air-Fuel Ratio Rich. 27 Sub Oxygen Sensor signal. 28 No. 2 Oxygen Sensor signal. 31 Air Flow Meter signal (Vacuum Sensor signal). 32 Air Flow Meter signal. 34 Turbocharger Pressure signal. 35 Turbocharger Pressure Sensor signal. 35 HAC Sensor signal. 41 Throttle Position Sensor signal. 42 Vehicle Speed Sensor signal. 43 Starter signal. 51 Switch signal. 52 Knock Sensor signal. 53 Knock Sensor signal. 54 Inter-cooler ECM signal. 71 EGR System. 72 Fuel Cut Solenoid signal. 78 Fuel Pump Control signal. 81 TCM Communication. 83 TCM Communication. 84 TCM Communication. 85 TCM Communication. GOOD LUCK ALL Quote Link to comment Share on other sites More sharing options...
bigmalik00 Posted August 6, 2005 Share Posted August 6, 2005 thanks... excuse this newbie.. now how and where do I check for these codes. Quote Link to comment Share on other sites More sharing options...
dcfish Posted August 6, 2005 Share Posted August 6, 2005 LEXUS ERROR CODES/WHAT THEY MEANALL THE ERROR CODES FOR LEXUS AND WHAT THEY MEAN 1 Normal Condition. 2 Air Flow Meter signal. 3 Ignition signal. 4 Engine Coolant Temperature Sensor signal. 5 Oxygen Sensor. 6 RPM signal (Crank Angle Pulse). 7 Throttle Position Sensor signal. 8 Intake Air Temperature Sensor signal. 9 Vehicle Speed Sensor signal. 10 Starter signal. 11 Switch signal. 11 ECU/ECM. 12 Knock Control Sensor signal. 12 RPM signal. 13 Knock Control CPU (ECM). 13 RPM signal. 14 Turbocharger Pressure. 14 Ignition signal. 21 Oxygen Sensor. 22 Engine Coolant Temperature Sensor signal. 23 Intake Air Temperature Sensor signal. 24 Intake Air Temperature Sensor signal. 25 Air-Fuel Ratio Lean. 26 Air-Fuel Ratio Rich. 27 Sub Oxygen Sensor signal. 28 No. 2 Oxygen Sensor signal. 31 Air Flow Meter signal (Vacuum Sensor signal). 32 Air Flow Meter signal. 34 Turbocharger Pressure signal. 35 Turbocharger Pressure Sensor signal. 35 HAC Sensor signal. 41 Throttle Position Sensor signal. 42 Vehicle Speed Sensor signal. 43 Starter signal. 51 Switch signal. 52 Knock Sensor signal. 53 Knock Sensor signal. 54 Inter-cooler ECM signal. 71 EGR System. 72 Fuel Cut Solenoid signal. 78 Fuel Pump Control signal. 81 TCM Communication. 83 TCM Communication. 84 TCM Communication. 85 TCM Communication. GOOD LUCK ALL ← http://us.lexusownersclub.com/forums/index...hl=error++codes Next time do a search ;) Quote Link to comment Share on other sites More sharing options...
texsn95 Posted August 6, 2005 Share Posted August 6, 2005 thanks... excuse this newbie.. now how and where do I check for these codes. ← For 95 OBDIs up to 95, this is your baby http://www.partsamerica.com/ProductDetail....partnumber=3173 I can vouch for Equus, as I've a similar reader since 1995 for 3 Mustangs and it still works like new. Best $50 I ever spent, considering how much I've used it :o Quote Link to comment Share on other sites More sharing options...
rich21 Posted August 6, 2005 Share Posted August 6, 2005 i just did an internal diagnostic and the code numbers that came up was 21 and 23. 21 Oxygen Sensor. 23 Intake Air Temperature Sensor signal. what does that mean? Quote Link to comment Share on other sites More sharing options...
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