Honda CR-V 1997 Service Manual page 278

Troubleshooting
Diagnostic Trouble Code (DTC) Chart (cont'd)
OTe
Detection Item Probable Cause
Page
(MIL indicatlonl
Secondary Heated Oxygen Sensor
• Short in Secondary H02S (Sensor 2) circuit
P0137 (63)
Circuit Low Voltage • Secondary H02S (Sensor 2) 11-117
(Sensor 2) • ECM/PCM
Secondary Heated Oxygen Sensor • Open in Secondary H02S (Sensor 2) circuit
P0138 (63)
Circuit High Voltage • Secondary H02S (Sensor 2) 11-118
(Sensor 2)
• ECMJPCM
Secondary Heated Oxygen Sensor • Secondary H02S (Sensor 2)
P0139 (63)
Slow Response
, 1-120
(Sensor 2)
Secondary Heated Oxygen Sensor Heater
• Open or short in Secondary H02S (Sensor 2)
P0141
(65)
Circuit Malfunction heater circuit 11-121
(Sensor 2) • ECM/PCM
System Too lean
• Fuel supply system
• Primary H02S (Sensor 1)
P017'
(45)
• MAP sensor
11-124
• Contaminated fuel
• Valve clearance
• Exhaust leakage
System Too Rich
• Fuel supply system
• Primary H02S (Sensor 1)
P0172 (45)
• MAP sensor
11-124
• Contaminated fuel
• Valve clearance
P0300 u ,
*~
Random Misfire • Ignition system
and
• Fuel supply system
some of • MAP sensor
P030,
71
• lAC valve 11-126
P0302
72
• Contaminated fuel
P0303
73
• Lack of fuel
P0304 74
P0301
71)
-
Cylinder 1
• Fuel injector
P0302 72
-
Cylinder 2
• Fuel injector circuit
P0303 73
-
Cylinder 3 • Ignition system 11-127
P0304
74
-
Cylinder 4
• Low compression
Misfire Detected
• Valve clearance
Knock Sensor (KS) Circuit Malfunction
• Open or short in Knock Sensor (KS) circuit
P0325*s (23) • Knock Sensor (KS) 11-130
• ECM/PCM
Crankshaft Position • Crankshaft Position Sensor
P0335
(4)
Sensor Circuit
• Crankshaft Position Sensor circuit 11-131
Low Input • ECM/PCM
P0336
(4)
Crankshaft Position Sensor • Crankshaft Position Sensor
11 -131
Range/Performance
• Timing belt skipped teeth
P0420 (67)
Catalyst System Efficiency Below • Three Way Catalytic converter
11-200
Threshold
• Secondary H02S (Sensor 2)
Evaporative Emission • EVAP Purge Control Solenoid valve
Control System
• EVAP Purge Control Solenoid valve circuit
P0441
*3
(92) Insufficient Purge Flow • Throttle Body (purge port) 11-205
• Tubing
• PCM
P0451
H
Fuel Tank Pressure Sensor Circuit
• Fuel Tank Pressure Sensor
1'-208
Range/Performance
• ECM/PCM
Fuel Tank Pressure Sensor • Open or Short in Fuel Tank Pressure Sensor circuit
P0452u, *5 (91) Circuit Low Input
• Fuel Tank Pressure Sensor 11-209
• ECM{PCM
Fuel Tank Pressure Sensor Circuit
• Open in Fuel Tank Pressure Sensor circuit
P0453*~. *5 (91)
High Input
• Fuel Tank Pressure Sensor 11-211
• ECM/PCM
*: These OTCs will be indicated by the blinking of the Malfunction Indicator Lamp (MIL) with the SCS service connector
connected.
**:
The
[Q;]
([Q'])*5
indicator light and the Malfunction Indicator Lamp (MIL) may come on simultaneously.
*,:
NT
*3: '97 model *5: '99 - 00 models
*2: MiT *4: '98 model
11-76