hondas ecu cel codes all hondas all years

[nsxxess]

1 Oxygen Sensor "A" (Primary)

defective circuit or unplugged / defective sensor

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

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

4 CKP Sensor (Crankshaft Position Sensor)
defective circuit or unplugged / defective sensor

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

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

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

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

9 CYP Sensor (Cylinder)
defective circuit or unplugged / defective sensor

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

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

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

14 IAC Valve (Idle Air Control)
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

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

20 Electrical Load Detector
defective circuit or unplugged / defective sensor

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

30 Automatic Transmission Signal: "A" / SEAF / SEFA / TMA or TMB
defective circuit or unplugged / defective sensor

31 Automatic Transmission Signal "B"
defective circuit or unplugged / defective sensor

41 Primary Oxygen Sensor - Heater
circuit malfunction

43 Fuel Supply System
defective or malfunctioning fuel supply system

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

48 LAF Sensor (Lean Air Fuel)
defective circuit or unplugged / defective sensor

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

58 TDC Sensor 2 (Top Dead Center)
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


NOTE: Many of these codes may not apply as they are for all Hondas. For example, CODE 76 - Misfire in Cylinder 6 does not apply to a 4-cylinder engine.


if in the wrong forum sorry.when i did not have a book to show me or a site to find my problem i would get pissed. But,thought i'd help and save people some time looking.

[nsxxess]

. When the yellow check engine warning light appears, pull over to the side of the road and turn your car off. only if you want. :eek3:

2. Find the service check connector under the dash on the passenger side of the car. some other honda's are in different places.



3. Connect the 2 pin service connector with a jumper wire (a paperclip works well also).





4. Turn the ignition to the "On" position, the stage before "Start"

5. Look at your check engine light and note the diagnostic code. The CEL indicates a code by the length and number of blinks. Codes 1-9 are indicated by individual short blinks. Codes 10-43 are indicated by a series of long and short blinks. The number of long blinks equals the first digit, while the number of short blinks equals the second digit. Codes are listed here.





SINGLE CODES
|-|.....|-|.....|-|.... indicates CODE 1
|-||-|.....|-||-|......|-||-|..... indicates CODE 2
|----||-||-||-|......|----||-||-||-||.....|----||-||-||-||..... indicates CODE 13

MULTIPLE CODES
|-|.....|-||-|.....|-|......|-||-|..... indicates CODE 1 and 2
|-||-|.....|----||-||-||-|.....|-||-|......|----||-||-||-||..... indicates CODE 2 and 13

6. To clear your codes, the first step is to disconnect the battery for atleast 10 mins.

[nsxxess]

:eek3: bump