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Discussion Starter #1 (Edited)
HONDA ECU Flash Code

If your 'check engine' light comes up on the dash, then look below:-

this is for the 216/416 R8 range of cars with ECU in the passenger side footwell, lift up footwell carpet and count the flashes

Short flashes for ones, and long flashes for tens.




1 Oxygen Sensor "A" (Primary) defective circuit or unplugged / defective sensor

2 Oxygen Sensor "B" defective circuit or unplugged / defective sensor

3 Manifold Absolute Pressure (MAP Sensor) defective circuit or unplugged /defective sensor

4 Crankshaft Angle Sensor (CAS) defective circuit or unplugged/defective sensor

5 Manifold Absolute Pressure (MAP Sensor) mechanical problem / disconnected piping

6 ECT Sensor (Engine Coolant Temperature) defective circuit or unplugged / defective sensor

7 Throttle Position Sensor (TPS) defective circuit or unplugged/defective sensor

8 TDC Position (Top Dead Centre Sensor) defective circuit or unplugged / defective sensor

9 CID Sensor (Number 1 Cylinder position) defective circuit or unplugged / defective sensor

10 IAT Sensor (Intake Air Temperature) defective circuit or unplugged / defective sensor

11 CO pot (IMA Sensor) defective circuit or unplugged / defective sensor

12 EGR Lift Sensor (Exhaust Gas Recirculation) defective circuit or unplugged / defective sensor

13 APS Sensor (Atmospheric Pressure Sensor) defective circuit or unplugged / defective sensor

14 IAC/ISCV Valve (Idle Air Control/Idle Speed Control Valve) defective circuit or unplugged / defective sensor

15 Ignition Output Signal missing or defective ignition output signal

16 Fuel Injector System defective circuit or unplugged / defective fuel injector

17 VSS (Vehicle Speed Sensor) defective circuit or unplugged / defective sensor

18 Ignition Timing

19 Automatic Transmission Lock Up Control Solenoid Valve defective circuit or unplugged / defective solenoid valve

20 Electrical Load Detector (ELD)

21 VTEC Solenoid Valve defective circuit or unplugged / defective solenoid valve

22 VTEC Oil Pressure Switch defective circuit or unplugged / defective oil pressure switch

23 Knock Sensor (KS) defective circuit or unplugged / defective sensor

30 Automatic Transmission Signal: "A" / SEAF / SEFA / TMA or TMB

31 Automatic Transmission Signal "B"

41 Primary Oxygen Sensor – Heater circuit malfunction on D16Z6, D16Z7, D16A2 engines

41 Linear Air Flow (LAF Sensor) heater malfunction on D15Z1 engine

43 Fuel Supply System defective or malfunctioning fuel supply system

45 System Too Lean or Too Rich malfunction in the fuel monitoring systems

48 Linear Air Flow (LAF Sensor) defective circuit or unplugged / defective sensor

54 CKF Sensor (Crankshaft Speed Fluctuation) defective circuit or unplugged / defective sensor

58 TDC Sensor 2 (Top Dead Centre) defective circuit or unplugged/ defective sensor

61 Oxygen Sensor, Heated - Sensor 1 (Primary) high voltage, low voltage, or slow response

63 Oxygen Sensor, Heated - Sensor 2 (Secondary) high voltage, low voltage, or slow response

65 Oxygen Sensor Heater (Secondary) malfunctioning or defective oxygen sensor heater

67 Catalyst system Efficiency Below Threshold malfunctioning or defective catalyst system

70 Automatic Transmission malfunction with the automatic transmission controls

71 Cylinder 1 Misfire or a Random Misfire a condition is present that is creating a cylinder misfire

72 Cylinder 2 Misfire or a Random Misfire a condition is present that is creating a cylinder misfire

73 Cylinder 3 Misfire or a Random Misfire a condition is present that is creating a cylinder misfire

74 Cylinder 4 Misfire or a Random Misfire a condition is present that is creating a cylinder misfire

75 Cylinder 5 Misfire or a Random Misfire a condition is present that is creating a cylinder misfire

76 Cylinder 6 Misfire or a Random Misfire a condition is present that is creating a cylinder misfire

80 Exhaust Gas Recirculation insufficient flow detected

86 ECT Sensor (Engine Coolant Temperature) circuit range / performance problem

90 Evaporative Emission Control System leak detected in the fuel tank area

91 Fuel Tank Pressure Sensor low input.

92 Evaporative Emission Control System insufficient purge flow
 

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Discussion Starter #2
If your car then has one of the problems listed above, please post about it in the R8 section if you're not sure where abouts that sensor/part is, to help you further in diagnosing the problem :)
 
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