| CODE |
DEFINITION |
| 1 |
Oxygen Sensor "A" (Primary) 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
* not 94-95 |
| 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
* invalid code for throttle body injection Hondas
** invalid code for V6 engines |
| 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
* invalid code for non-equipped EGR valve vehicles |
| 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
* invalid code for non-VTEC engine
** invalid for V6 engine |
| 22 |
VTEC Oil Pressure Switch defective circuit or
unplugged / defective oil pressure switch
* invalid code for non-VTEC engine |
| 23 |
KS (Knock Sensor) defective circuit or unplugged
/ defective sensor
* invalid code for V6 engine |
| 30 |
Automatic Transmission Signal: "A" /
SEAF / SEFA / TMA or TMB defective circuit or unplugged
/ defective sensor
* invalid code for 1996 |
| 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 |
| 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 |
| 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 |
