Honda Civic 1998 Service Manual page 242

Troubleshooting
Diagnostic Trouble Code (DTC) Chaft (cont'd)
*3r Dl6Y5 engine (CVT) and Dl6Y8 engine
*4: D16Y5 engine
* 1 6 : ' 9 8 m o d e l
DTC
{MlL indication)
Detection ltem
Probable Cause Page
P0137
(63)
Secondary Heated Oxygen Sensor
Circuit Low Voltage
(Sensor 2)
Short in Secondary HO2S (Sensor 2) circuit
Secondary HO2S lSensor 2)
ECM/PCM
1 1 - 9 5
P0138
(63)
Secondary Heated Oxygen Sensor
Circuit High Voltage
(Sensor 2)
Open in Secondary HO2S iSensor 2)circuit
Secondary HO2S (Sensor 2)
ECt\4/PCM
1 1-96
P 0 1 3 9
(63)
Secondary Heated Oxygen Sensor
Slow Response
(Sensor 2)
Secondary H02S (Sensor 2)
11-97
P0141
(65)
Secondary Heated Oxygen Sensor
Heater
Circuit Malfunction
(Sensor 2)
Open or short in Secondary HO25 (Sensor
2) heater circuit
ECM/PCM
1 1 9 8
P0171 {45)
System Too Lean Fuel supply system
Primary H02S (Sensor 1)
lvlAP sensor
Contaminated fuel
Valve clearance
Exhaust leakage
1 1 - 1 0 3
P0172
(45)
System Too Rich
Fuel supply system
Primary HO2S (sensor 1)
MAP sensor
Contaminated fuel
Valve clearance
1 1 , 1 0 3
P0300*16
a n d
some of
P0301
P0302
P0303
P0304
l#\
l 7 3 l
\741
Random Misfire
lgnition system
Fuel supply system
MAP sensor
EGR system
IAC valve
Contaminated fuel
Lack of fuel
1 1 - 1 0 8
P0301
P0302
P0303
P0304
tr\
173 |
\741
-
Cylinder 1
-
Cylinder 2
-
Cylinder 3
-
Cylinder 4
Misfire Detected
Fuel Injector
Fuel Injector circuil
lgnition system
Low compressron
Valve clearance
1 1 - 1 0 5
P0325'3
(23)
Knock Sensor (KS) Circuit
Maltunction
Open or short in Knock Sensor (KS) circuit
Knock Sensor (KS)
ECM/PCM
1 1 , 1 0 9
P0335
(4)
Crankshaft Position
Sensor Circuit
Mallunction
Crankshaft Position Sensor
Crankshaft Position Sensor circuit
ECM/PCM
1 1 - 1 1 0
P0336
{4)
Crankshaft Position
Sensor
Range/Performance
. Crankshaft Position Sensor
. Timing belt skipped teeth
' 1 1 - 1 1 0
P0401.1
(80)
Exhaust Gas
Recirculation
lnsufficient Flow Detected
. E G R l i n e
11-170
P0420
(67)
Catalyst System
Efficiency Below
Threshold
. Three Way Catalytic converter
. Secondary H02S
1 1 - 1 6 8
11-54