Honda NSX-T 1998 Manual page 580

Main Menu
Troubleshooting
Diagnostic Trouble Code (DTC) Chart (cont'd)
DTC
(MIL indication)
P0174 (45)
P0175 (45)
P0325 (53)
P0330 (23)
P0335 (4)
P0336 (4)
P0401 (80)
P0420 (68)
P0430 (67)
P0452 (91)
P0453 (91)
P0500 (17)
P0505 (14)
*: The indicator light and the Malfunction Indicator Lamp (MIL) may come on simultaneously.
Table of Contents
Detection Item
System Too Lean
[Front Bank (Bank 2)]
System Too Rich
[Front Bank (Bank 2)]
Rear Knock Sensor (KS1) circuit
malfunction
Front Knock Sensor (KS2) circuit
malfunction
Crankshaft Position
Sensor A Circuit
Low Input
Crankshaft Position
Sensor A
Range/Performance
Exhaust Gas
Recirculation
Insufficient Flow Detected
Rear Catalyst System
Efficiency Below
Threshold
Front Catalyst System
Efficiency Below
Threshold
Evaporative Emission Control
System Pressure Sensor (Fuel
Tank Pressure Sensor) Circuit
Low Input
Evaporative Emission Control
System Pressure Sensor (Fuel
Tank Pressure Sensor) Circuit
High Input
Vehicle Speed
Sensor Circuit
Low Input
Idle Control
System
Malfunction
Probable Cause
• Fuel supply system
• Front Primary H02S (Bank 2, Sensor 1)
• MAP sensor
• Contaminated fuel
• Valve clearance
• Exhaust leakage
• Fuel supply system
• Front Primary HO2S (Bank 2, Sensor 1)
• MAP sensor
• Contaminated fuel
• Valve clearance
• Open or short in Rear Knock Sensor
(KS1) circuit
• Rear Knock Sensor (KS1)
• ECM
• Open or short in Front Knock Sensor
(KS2) circuit
• Front Knock Sensor (KS2)
• ECM
• Crankshaft Position Sensor A
• Crankshaft Position Sensor A circuit
•ECM
• Crankshaft Position Sensor A
• Timing belt skipped teeth
• EGR valve
• EGR line
• Rear Three Way Catalytic converter
• Rear Secondary HO2S
• Front Three Way Catalytic converter
• Front Secondary HO2S
• Open or short in Fuel Tank Pressure
Sensor circuit
• Fuel Tank Pressure Sensor
• PCM
• Open in Fuel Tank Pressure Sensor
circuit
• Fuel Tank Pressure Sensor
• ECM
• Vehicle Speed Sensor
• Vehicle Speed Sensor circuit
•ECM
• Idle speed setting
• Throttle Body
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