Acura NSX 1997 Service Manual page 217

Main Menu
DTC
(MIL indication)
Rear Secondary Heated Oxygen
Sensor
P0137 (64)
Circuit Low Voltage
(Bank 1, Sensor 2)
Rear Secondary Heated Oxygen
Sensor
P0138 (64)
Circuit High Voltage
(Bank 1, Sensor 2)
Rear Secondary Heated Oxygen
Sensor
P0139 (64)
Slow Response
(Bank 1, Sensor 2)
Rear Secondary Heated Oxygen
Sensor Heater
P0141 (66)
Circuit Malfunction
(Bank 1, Sensor 2)
Front Primary Heated
Oxygen Sensor Circuit
Low Voltage
P0151 (1)
(Bank 2, Sensor 1)
Front Primary Heated
Oxygen Sensor Circuit
P0152 (1)
Oxygen Sensor
P0153 (61)
Slow Response
P0155 (41)
P0157 (63)
P0158 (63)
P0159 (63)
P0161 (65)
P0171 (46)
P0172 (46)
Table of Contents
Detection Item
High Voltage
(Bank 2, Sensor 1)
Front Primary Heated
(Bank 2, Sensor 1)
Front Primary Heated
Oxygen Sensor Heater
Circuit Malfunction
(Bank 2, Sensor 1)
Front Secondary Heated
Oxygen Sensor Circuit
Low Voltage
(Bank 2, Sensor 2)
Front Secondary Heated
Oxygen Sensor Circuit
High Voltage
(Bank 2, Sensor 2)
Front Secondary Heated
Oxygen Sensor
Slow Response
(Bank 2, Sensor 2)
Front Secondary Heated
Oxygen Sensor Heater
Circuit Malfunction
(Bank 2, Sensor 2)
System Too Lean
[Rear Bank (Bank 1)]
System Too Rich
[Rear Bank (Bank 1)]
Probable Cause
• Short in Rear Secondary HO2S (Bank 1,
Sensor 2) circuit
• Rear Secondary H02S (Bank 1, Sensor 2)
• ECM
• Open in Rear Secondary H02S (Bank 1,
Sensor 2) circuit
• Rear Secondary H02S (Bank 1 , Sensor 2)
• ECM
• Rear Secondary HO2S (Bank 1, Sensor 2)
• Open or short in Rear Secondary HO2S
(Bank 1, Sensor 2) heater circuit
• ECM
• Short in Front Primary H02S (Bank 2,
Sensor 1) circuit
• Front Primary HO2S (Bank 2, Sensor 1)
• Fuel supply system
• ECM
• Open in Front Primary HO2S (Bank 2,
Sensor 1) circuit
• Front Primary H02S (Bank 2, Sensor 1)
• ECM
• Front Primary H02S (Bank 2, Sensor 1)
• Exhaust system
• Open or short in Front Primary H02S
(Bank 2, Sensor 1) heater circuit
• ECM
• Short in Front Secondary H02S (Bank 2,
Sensor 2) circuit
• Front Secondary HO2S (Bank 2, Sensor 2)
• ECM
• Open in Front Secondary H02S (Bank 2,
Sensor 2) circuit
• Front Secondary H02S (Bank 2, Sensor 2)
• ECM
• Front Secondary H02S (Bank 2, Sensor 2)
• Open or short in Front Secondary H02S
(Bank 2, Sensor 2) heater circuit
• ECM
Fuel supply system
Rear Primary HO2S (Bank 1, Sensor 1)
MAP sensor
Contaminated fuel
Valve clearance
Exhaust leakage
Fuel supply system
Rear Primary H02S (Bank 1, Sensor 1)
MAP sensor
Contaminated fuel
Valve clearance
Page
11-82
11-83
11-84
11-85 ('97-01)
11-32e ('02)
11-78
11-80
11-81
11-85 ('97-01)
11-32e ('02)
11-82
11-83
11-84
11-85 ('97-01)
11-32e ('02)
11-87
11-87
(cont'd