IndexForumVideotLinkitGalleriaAutodata


Honda ECU Codes
Source: Honda Service Manual / http://www.crxguru.com/

Suomennokset tekeillä

Code
1

Accord
85-98

Civic
86-98

CRX
85-91

Del Sol
93-97

Prelude
85-98
Oxgen Sensor "A" (Primary)
Defective cicuit or unplugged/defective sensor
2 Accord
85-98
Civic
86-87
CRX
85-87
Del Sol
93-97
Prelude
N / A
Oxgen Sensor "B" (Primary)
Defective cicuit or unplugged/defective sensor
3 Accord
85-98
Civic
86-98
CRX
85-91
Del Sol
93-97
Prelude
85-98
Manifold Absolute Pressure (MAP) Sensor
Defective cicuit or unplugged/defective sensor
4 Accord
90-98
Civic
88-98
CRX
88-91
Del Sol
93-97
Prelude
85-98
Crankshaft Position Sensor (CKP)
Defective cicuit or unplugged/defective sensor
5 Accord
85-94 96-98
Civic
86-98
CRX
85-91
Del Sol
93-97
Prelude
85-98
Manifold Absolute Pressure (MAP) Sensor
Mechanical problem/disconnected pipingb
6 Accord
85-98
Civic
86-98
CRX
85-91
Del Sol
93-97
Prelude
85-98
Engine Coolant Temperature (ECT) Sensor
Defective circuit or unplugged/defective sensor

Code
7

Accord
85-98

Civic
86-98

CRX
85-91

Del Sol
93-97

Prelude
85-98
Throttle Position (TP) Sensor
Defective cicuit or unplugged/defective sensor
8 Accord
85-98
Civic
86-98
CRX
85-87
Del Sol
93-97
Prelude
N / A
Top Dead Center (TDC) Sensor
Defective cicuit or unplugged/defective sensor
9* Accord
85-98**
Civic
86-98
CRX
85-91
Del Sol
93-97
Prelude
85-98
Cylinder Position (CYP) Sensor
Defective cicuit or unplugged/defective sensor
*N/A to any throttle body injection Honda's
**N/A to V-6 engines
10 Accord
85-98
Civic
86-98
CRX
88-91
Del Sol
93-97
Prelude
85-98
Intake Air Temperature (IAT) Sensor
Defective cicuit or unplugged/defective sensorb
12 Accord
85-98
Civic
86-98*
CRX
85-91*
Del Sol
N / A
Prelude
85-98
Exhaust Gas Recirculation (EGR) Lift Sensor
Defective circuit or unplugged/defective sensor
*N/A if your car is not equipped with an EGR valve

Code
13

Accord
85-98

Civic
86-98

CRX
85-91

Del Sol
93-97

Prelude
85-98
Atmospheric Pressure (BARO) Sensor
Defective cicuit or unplugged/defective sensor
14 Accord
88-98
Civic
88-98
CRX
88-91
Del Sol
93-97
Prelude
88-98
Idle Air Control (IAC) Valve
Defective cicuit or unplugged/defective sensor
15 Accord
90-95
Civic
88-95
CRX
88-91
Del Sol
93-95
Prelude
88-95
Ignition Output Signal
Missing or defective ignition output signal
16 Accord
90-95
Civic
88-95
CRX
88-91
Del Sol
93-95
Prelude
88-95
Fuel Injector System
Defective cicuit or unplugged/defective fuel injectorb
17 Accord
88-98
Civic
88-98
CRX
88-91
Del Sol
93-97
Prelude
88-98
Vehicle Speed (VSS) Sensor
Defective circuit or unplugged/defective sensor
19 Accord
N / A
Civic
88-95
CRX
88-91
Del Sol
93-97
Prelude
N / A
Automatic Trans. Lock Up Control Solenoid Valve
Defective circuit or unplugged/defective solenoid valve

Code
20

Accord
90-98

Civic
88-98

CRX
88-91

Del Sol
93-97

Prelude
92-98
Electrical Load Dectector
Defective cicuit or unplugged/defective sensor
21* Accord
94-98**
Civic
92-95
CRX
N / A
Del Sol
93-95
Prelude
93-95
VTec Solenoid Valve
Defective cicuit or unplugged/defective solenoid valve
*N/A if your car is not a VTec
**N/A to V-6 engines
22* Accord
94-98
Civic
92-98
CRX
N / A
Del Sol
93-97
Prelude
93-98
VTec Oil Pressure Switch
Defective cicuit or unplugged/defective oil pressure switch
*N/A if your car is not a VTec
23 Accord
98*
Civic
96-98
CRX
N / A
Del Sol
93-97
Prelude
92-98
Knock (KS) Sensor
Defective circuit or unplugged/defective sensor
*N/A to V-6 engines
30 Accord
90-98
Civic
N / A
CRX
N / A
Del Sol
N / A
Prelude
92-98*
Automatic Trans. Signal: "A"/SEAF/SEFA/TMA or TMB
Defective circuit or unplugged/defective sensor
*Except for 96 Prelude
31 Accord
90-95
Civic
N / A
CRX
N / A
Del Sol
N / A
Prelude
92-95
Automatic Trans. Signal: "B"
Defective circuit or unplugged/defective sensor

Code
41

Accord
90-98

Civic
92-98

CRX
N / A

Del Sol
93-97

Prelude
90-98
Primary Oxygen Sensor: Heater
Circuit Malfunction
43 Accord
90-95
Civic
92-95
CRX
N / A
Del Sol
93-95
Prelude
90-95
Fuel Supply System
Defective or malfunctioning fuel supply system
45 Accord
96-98
Civic
92-96
CRX
N / A
Del Sol
93-97
Prelude
96-98
System Too Lean or Too Rich
Malfunctioning in the fuel monitoring systems
48 Accord
98
Civic
92-98
CRX
N / A
Del Sol
N / A
Prelude
N / A
Lean Air Fuel (LAF) Sensor
Defective circuit or unplugged/defective sensor
54 Accord
96
Civic
96-98
CRX
N / A
Del Sol
96-97
Prelude
N / A
Crankshaft Speed Fluctuation (CKF) Sensor
Defective circuit or unplugged/defective sensor
58 Accord
98*
Civic
N / A
CRX
N / A
Del Sol
N / A
Prelude
N / A
Top Dead Center (TDC) Sensor 2
Defective circuit or unplugged/defective sensor
*V-6 Engine only

Code
61

Accord
96-98

Civic
96-98

CRX
N / A

Del Sol
96-97

Prelude
96-98
Oxygen Sensor, Heated: Sensor 1 (Primary)
High Voltage, Low Voltage, or Slow Response
63 Accord
96-98
Civic
96-98
CRX
N / A
Del Sol
96-97
Prelude
96-98
Oxygen Sensor, Heated: Sensor 2 (Secondary)
High Voltage, Low Voltage, or Slow Response
65 Accord
96-98
Civic
96-98
CRX
N / A
Del Sol
96-97
Prelude
96-98
Oxygen Sensor Heater (Secondary)
Malfunctioning or defective oxygen sensor heater
67 Accord
96-98
Civic
96-98
CRX
N / A
Del Sol
96-97
Prelude
96-98
Catalyst System Efficiency Below Threshold
Malfunctioning or defective catalyst system
70 Accord
96-98
Civic
96-98
CRX
N / A
Del Sol
N / A
Prelude
96-98
Automatic Transmission
Malfunctioning of the autmoatic transmission controls
71 Accord
96-98
Civic
96-98
CRX
N / A
Del Sol
96-97
Prelude
96-98
Cylinder 1 Misfire or a Random Misfire

Code
72

Accord
96-98

Civic
98

CRX
N / A

Del Sol
96-97

Prelude
96-98
Cylinder 2 Misfire or a Random Misfire
73 Accord
96-98
Civic
96-98
CRX
N / A
Del Sol
96-97
Prelude
96-98
Cylinder 3 Misfire or a Random Misfire
74 Accord
96-98
Civic
96-98
CRX
N / A
Del Sol
96-97
Prelude
96-98
Cylinder 4 Misfire or a Random Misfire
75 Accord
98*
Civic
N / A
CRX
N / A
Del Sol
N / A
Prelude
N / A
Cylinder 5 Misfire or a Random Misfire
*Applies only to V-6 engines
76 Accord
98*
Civic
N / A
CRX
N / A
Del Sol
N / A
Prelude
N / A
Cylinder 6 Misfire or a Random Misfire
*Applies only to V-6 engines
80 Accord
96-98
Civic
96-98
CRX
N / A
Del Sol
N / A
Prelude
96-98
Exhaust Gas Recirculation
Insufficient Flow Detected

Code
86

Accord
96-98

Civic
96-98

CRX
N / A

Del Sol
96-97

Prelude
96-98
Engine Coolant Temperature (ECT) Sensor
Circuit Range/Performance Problem
90 Accord
97-98
Civic
96-98
CRX
N / A
Del Sol
N / A
Prelude
97-98
Evaporative Emission Control System
Leakage in the fuel tank area
91 Accord
96-98
Civic
96-98
CRX
N / A
Del Sol
N / A
Prelude
97-98
Fuel Tank Pressure Sensor
Low Input
92 Accord
96-98
Civic
96-98
CRX
N / A
Del Sol
96-97
Prelude
96-98
Vaporative Emission Control System
Insufficient Purge Flow