Hyundai Tiburon 2003 Workshop Manual page 205

P0135 HO2S Heater Circuit
Malfunction (Bank 1, Sensor 1)
P0030 HO2S Heater Control Circuit
(Bank 1, Sensor 1)
P0031 HO2S Heater Circuit Low (Bank
1, Sensor 1)
P0032 HO2S Heater Circuit High (Bank
1, Sensor 1)
P0136 HO2S Circuit Malfunction (Bank
1, Sensor 2)
P0137 HO2S Circuit Low Input (Bank
1, Sensor 2)
P0138 HO2S Circuit Low Input (Bank
1, Sensor 2)
P0139 HO2S Circuit Slow Responsive
(Bank 1, Sensor 2)
P0140 HO2S Circuit No Activity
Detected (Bank 1, Sensor 2)
P0141 HO2S Heater Circuit
Malfunction (Bank 1, Sensor 2)
P0037 HO2S Heater Circuit Low (Bank
1, Sensor 2)
P0038 HO2S Heater Circuit High (Bank
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• Blown or missing HO2S fuse
• Short to battery between front HO2S and ECM
• Open between front HO2S and ECM
• Faulty front HO2S
• Contaminated, deteriorated or aged HO2S
• Heater Resistance out of Reasonable Range
• Misplaced, bent, loose or corroded connector terminals
• Faulty HO2S
• Blown or mission HO2S fuse
• Open or short to GND between HO2S and ECM
• Faulty HO2S
• Short to battery between HO2S and ECM
• Faulty HO2S
• Short between rear HO2S and ECM
• Faulty rear HO2S
• Short to GND between HO2S and ECM
• Faulty front HO2S
• Open or short to battery between HO2S and ECM
• Faulty front HO2S
• Front and rear HO2S connections reversed
• Faulty fuel delivery system
• Leak in intake system
• Leak in exhaust system
• Faulty MAFS ground circuit
• Faulty HO2S
If any misfire, purge solenoid valve, MAFS or HO2S heater
codes are present,do all repairs associated with those codes
before proceeding with this troublearea.
• Contaminated, deteriorated or aged HO2S
• Misplaced, bent, loose or corroded connector terminals
• Faulty HO2S
If any misfire, purge solenoid valve or HO2S heater codes are
present, do all repairs associated with those codes before
proceeding with this trouble area.
• Blown or missing HO2S fuse
• Short to battery between rear HO2S and ECM
• Open between rear HO2S and ECM
• Faulty rear HO2S
• Blown or missing HO2S fuse
• Open or short to GND between HO2S and ECM
• Faulty HO2S
• Short to battery between HO2S and ECM
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24.04.2008