Fuel and Emissions Systems

DTC Troubleshooting Index (cont'd)

11-3  
Scan tool DTC Honda DTC Detection Item Page
DTC Temporary DTC DTC (MIL Indication*) Temporary DTC
P0141 - 65-2 (65) - Secondary Heated Oxygen Sensor (Secondary HO2S) (Sensor 2) Heater Circuit Malfunction Refer to the '01 Civic Shop Manual on this CD (see page 11-76)
P0171 P0171 45-2 (45) T45-2 Fuel system Too Lean (see page 11-54)
P0172 P0172 45-1 (45) T45-1 Fuel system Too Rich (see page 11-54)
P0300 and some of P0301 P0302 P0303 P0304 - 71-1 (71)

72-1 (72)

73-1 (73)

74-1 (74)

- Random Misfire (see page 11-55)
P0301 P0301 71-1(71) T71-1 No. 1 Cylinder Misfire Refer to the '01 Civic Shop Manual on this CD (see page 11-80)
P0302 P0302 72-1(72) T72-1 No. 2 Cylinder Misfire Refer to the '01 Civic Shop Manual on this CD (see page 11-80)
P0303 P0303 73-1(73) T73-1 No. 3 Cylinder Misfire Refer to the '01 Civic Shop Manual on this CD (see page 11-80)
P0304 P0304 74-1(74) T74-1 No. 4 Cylinder Misfire Refer to the '01 Civic Shop Manual on this CD (see page 11-80)
P0325 - 23-1 (23) - Knock Sensor Circuit Malfunction Refer to the '01 Civic Shop Manual on this CD (see page 11-85)
P0335 - 4-1 (4) - Crankshaft Position (CKP) Sensor No Signal Refer to the '01 Civic Shop Manual on this CD (see page 11-88)
P0336 - 4-2 (4) - Crankshaft Position (CKP) Sensor Intermittent Interruption Refer to the '01 Civic Shop Manual on this CD (see page 11-88)
P0401*1 P0401*1 80-1 (80)*1 T80-1*1 Exhaust Gas Recirculation (EGR) Insufficient Flow Refer to the '01 Civic Shop Manual on this CD (see page 11-154)
P0420 P0420 67-1 (67) T67-1 Catalyst System Efficiency Below Threshold Refer to the '01 Civic Shop Manual on this CD (see page 11-153)
P0443 - 92-4 (92) - Evaporative Emission (EVAP) Canister Purge Valve Circuit Malfunction Refer to the '01 Civic Shop Manual on this CD (see page 11-161)
P0500*3 - 17-1 (17) - Vehicle Speed Sensor (VSS) Circuit Malfunction Refer to the '01 Civic Shop Manual on this CD (see page 11-90)
P0501*2 - 17-2*2 - Vehicle Speed Sensor (VSS) Range/Performance Refer to the '01 Civic Shop Manual on this CD (see page 11-90)

*:These DTCs will be indicated by the blinking of the MIL when SCS short connector is connected.

**:The D indicator light and the MIL may come on simultaneously.

*1:D17A9 engine

*2:A/T

*3:M/T