Toyota Tundra. Manual — part 1538

TYPICAL ENABLING CONDITIONS

Heated Oxygen Sensor Output Voltage (Abnormal Voltage Output, High Voltage and Low Voltage)

TYPICAL ENABLING CONDITIONS - HEATED OXYGEN SENSOR OUTPUT VOLTAGE

Related DTCs

voltage)
P0138: Heated oxygen sensor (for Bank 1) output voltage (Extremely
high)
P0139: Heated oxygen sensor (for Bank 1) output voltage during fuel
cut
P0156: Heated oxygen sensor (for Bank 2) output voltage (Abnormal
voltage output)
P0156: Heated oxygen sensor (for Bank 2) impedance (Low)
P0157: Heated oxygen sensor (for Bank 2) output voltage (Low
voltage)
P0157: Heated oxygen sensor (for Bank 2) impedance (High)
P0158: Heated oxygen sensor (for Bank 2) output voltage (High
voltage)
P0158: Heated oxygen sensor (for Bank 2) output voltage (Extremely
high)
P0159: Heated oxygen sensor (for Bank 2) output voltage during fuel
cut

Required Sensors/Components
(Main)

Heated oxygen sensor

Required Sensors/Components
(Related)

Crankshaft position sensor, engine coolant temperature sensor, mass air
flow meter and throttle position sensor

Frequency of Operation

Once per driving cycle: Active air-fuel ratio control detection, Heated
oxygen sensor voltage (During fuel cut)
Continuous: Other

Duration

20 seconds: Active air-fuel ratio control detection
90 seconds: Heated oxygen sensor impedance (High)
30 seconds: Heated oxygen sensor impedance (Low)
10 seconds: Output voltage (Stuck high)
9 seconds: Heated oxygen sensor voltage (During fuel cut)

MIL Operation

2 driving cycles

Sequence of Operation

None

P0016, P0018 (VVT System - Misalignment)
P0017, P0019 (Exhaust VVT System - Misalignment)
P0031, P0032, P0051, P0052 (Air Fuel Ratio Sensor Heater)
P0037, P0038, P0057, P0058 (Rear Oxygen Sensor Heater)
P2195, P2196, P2197, P2198, P2237, P2238, P2239, P2240,
P2241, P2242, P2252, P2253, P2255, P2256, P2A00, P2A03 (Air
Fuel Ratio Sensor)
P0102, P0103 (Mass Air Flow Sensor)
P0112, P0113 (Intake Air Temperature Sensor)
P0115, P0117, P0118 (Engine Coolant Temperature Sensor)

2009 Toyota Tundra

2009 ENGINE PERFORMANCE Engine Control System (3UR-FBE) - Tundra

Heated Oxygen Sensor Impedance (Low)

TYPICAL ENABLING CONDITIONS - HEATED OXYGEN SENSOR IMPEDANCE (LOW)

Monitor runs whenever following
DTCs not present

P0125 (Insufficient Coolant Temperature for Closed Loop Fuel
Control)
P0120, P0121, P0122, P0123, P0220, P0222, P0223, P2135
(Throttle Position Sensor)
P0128 (Thermostat)
P0171, P0172, P0174, P0175 (Fuel System)
P0301 - P0308 (Misfire)
P0335 (Crankshaft Position Sensor)
P1340 (Camshaft Position Sensor)
P0451, P0452, P0453 (EVAP System)
P0412, P0415, P0418, P0419, P1613, P1614 (Secondary Air
Injection System Control)
P2440, P2441, P2442, P2443, P2444, P2445, P2446, P2447
(Secondary Air Injection System)
P0500, P0722 (Vehicle Speed Sensor)

Active air-fuel ratio control

Executing

Active air-fuel ratio control begins
when all of following conditions
met:

-

Battery voltage

11 V or more

Engine coolant temperature

75°C (167°F) or more

Idling

OFF

Engine speed

Less than 3200 RPM

A/F sensor status

Activated

Fuel system status

Closed loop

Fuel cut

OFF

Engine load

10 to 75%

Transmission gear

4th or higher

Monitor runs whenever
following DTCs not present

P0016, P0018 (VVT System - Misalignment)
P0017, P0019 (Exhaust VVT System - Misalignment)
P0031, P0032, P0051, P0052 (Air Fuel Ratio Sensor Heater)
P0037, P0038, P0057, P0058 (Rear Oxygen Sensor Heater)
P2195, P2196, P2197, P2198, P2237, P2238, P2239, P2240, P2241,
P2242, P2252, P2253, P2255, P2256, P2A00, P2A03 (Air Fuel Ratio
Sensor)
P0607 (Rear Oxygen Sensor)
P0102, P0103 (Mass Air Flow Sensor)
P0112, P0113 (Intake Air Temperature Sensor)
P0115, P0117, P0118 (Engine Coolant Temperature Sensor)
P0125 (Insufficient Coolant Temperature for Closed Loop Fuel Control)
P0120, P0121, P0122, P0123, P0220, P0222, P0223, P2135 (Throttle
Position Sensor)

2009 Toyota Tundra

2009 ENGINE PERFORMANCE Engine Control System (3UR-FBE) - Tundra

Heated Oxygen Sensor Impedance (High)

TYPICAL ENABLING CONDITIONS - HEATED OXYGEN SENSOR IMPEDANCE (HIGH)

P0128 (Thermostat)
P0171, P0172, P0174, P0175 (Fuel System)
P0301 - P0308 (Misfire)
P0335 (Crankshaft Position Sensor)
P1340 (Camshaft Position Sensor)
P0451, P0452, P0453 (EVAP System)
P0412, P0415, P0418, P0419, P1613, P1614 (Secondary Air Injection
System Control)
P2440, P2441, P2442, P2443, P2444, P2445, P2446, P2447 (Secondary
Air Injection System)
P0500, P0722 (Vehicle Speed Sensor)

Battery voltage

11 V or more

Estimated rear HO2 sensor
temperature

Less than 700°C (1292°F)

ECM monitor

Completed

DTC P0607

Not set

Monitor runs whenever
following DTCs not present

P0016, P0018 (VVT System - Misalignment)
P0017, P0019 (Exhaust VVT System - Misalignment)
P0031, P0032, P0051, P0052 (Air Fuel Ratio Sensor Heater)
P0037, P0038, P0057, P0058 (Rear Oxygen Sensor Heater)
P2195, P2196, P2197, P2198, P2237, P2238, P2239, P2240, P2241,
P2242, P2252, P2253, P2255, P2256, P2A00, P2A03 (Air Fuel Ratio
Sensor)
P0607 (Rear Oxygen Sensor)
P0102, P0103 (Mass Air Flow Sensor)
P0112, P0113 (Intake Air Temperature Sensor)
P0115, P0117, P0118 (Engine Coolant Temperature Sensor)
P0125 (Insufficient Coolant Temperature for Closed Loop Fuel Control)
P0120, P0121, P0122, P0123, P0220, P0222, P0223, P2135 (Throttle
Position Sensor)
P0128 (Thermostat)
P0171, P0172, P0174, P0175 (Fuel System)
P0301 - P0308 (Misfire)
P0335 (Crankshaft Position Sensor)
P1340 (Camshaft Position Sensor)
P0451, P0452, P0453 (EVAP System)
P0412, P0415, P0418, P0419, P1613, P1614 (Secondary Air Injection
System Control)
P2440, P2441, P2442, P2443, P2444, P2445, P2446, P2447 (Secondary
Air Injection System)
P0500, P0722 (Vehicle Speed Sensor)

Battery voltage

11 V or more

2009 Toyota Tundra

2009 ENGINE PERFORMANCE Engine Control System (3UR-FBE) - Tundra

Heated Oxygen Sensor Output Voltage (Extremely High)

TYPICAL ENABLING CONDITIONS - HEATED OXYGEN SENSOR OUTPUT VOLTAGE
(EXTREMELY HIGH)

Heated Oxygen Sensor Output Voltage During Fuel Cut

TYPICAL ENABLING CONDITIONS - HEATED OXYGEN SENSOR OUTPUT VOLTAGE DURING
FUEL CUT

Estimated rear HO2 sensor
temperature

450 to 750°C (842 to 1382°F)

ECM monitor

Completed

DTC P0607

Not set

Monitor runs whenever
following DTCs not present

P0016, P0018 (VVT System - Misalignment)
P0017, P0019 (Exhaust VVT System - Misalignment)
P0031, P0032, P0051, P0052 (Air Fuel Ratio Sensor Heater)
P0037, P0038, P0057, P0058 (Rear Oxygen Sensor Heater)
P2195, P2196, P2197, P2198, P2237, P2238, P2239, P2240, P2241, P2242,
P2252, P2253, P2255, P2256, P2A00, P2A03 (Air Fuel Ratio Sensor)
P0102, P0103 (Mass Air Flow Sensor)
P0112, P0113 (Intake Air Temperature Sensor)
P0115, P0117, P0118 (Engine Coolant Temperature Sensor)
P0125 (Insufficient Coolant Temperature for Closed Loop Fuel Control)
P0120, P0121, P0122, P0123, P0220, P0222, P0223, P2135 (Throttle
Position Sensor)
P0128 (Thermostat)
P0171, P0172, P0174, P0175 (Fuel System)
P0301 - P0308 (Misfire)
P0335 (Crankshaft Position Sensor)
P1340 (Camshaft Position Sensor)
P0451, P0452, P0453 (EVAP System)
P0412, P0415, P0418, P0419, P1613, P1614 (Secondary Air Injection
System Control)
P2440, P2441, P2442, P2443, P2444, P2445, P2446, P2447 (Secondary Air
Injection System)
P0500, P0722 (Vehicle Speed Sensor)

Battery voltage

11 V or more

Time after engine start

2 seconds or more

P0016, P0018 (VVT System - Misalignment)
P0017, P0019 (Exhaust VVT System - Misalignment)
P0031, P0032, P0051, P0052 (Air Fuel Ratio Sensor Heater)
P0037, P0038, P0057, P0058 (Rear Oxygen Sensor Heater)
P2195, P2196, P2197, P2198, P2237, P2238, P2239, P2240, P2241,
P2242, P2252, P2253, P2255, P2256, P2A00, P2A03 (Air Fuel Ratio
Sensor)

2009 Toyota Tundra

2009 ENGINE PERFORMANCE Engine Control System (3UR-FBE) - Tundra