Toyota Tundra. Manual — part 1498



OCV for
exhaust
camshaft (for
Bank 2)



ECM

P0024

Camshaft Position
"B" - Timing Over-
Advanced or System
Performance (Bank 2)



Valve timing



Oil control
valve (OCV) for
exhaust
camshaft



OCV filter



Camshaft timing
exhaust gear



ECM

Comes on

DTC stored

P0025

Camshaft Position
"B" - Timing Over-
Retarded (Bank 2)



Valve timing



OCV for
exhaust
camshaft



OCV filter



Camshaft timing
exhaust gear



ECM

Comes on

DTC stored

P0031

Oxygen (A/F) Sensor
Heater Control Circuit
Low (Bank 1 Sensor
1)



Open in A/F
sensor heater
circuit



A/F sensor
heater (for
Sensor 1)



Integration relay



ECM

Comes on

DTC stored

P0032

Oxygen (A/F) Sensor
Heater Control Circuit
High (Bank 1 Sensor
1)



Short in A/F
sensor heater
circuit



A/F sensor
heater (for
Sensor 1)



Integration relay



ECM

Comes on

DTC stored

P0037

Oxygen Sensor
Heater Control Circuit
Low (Bank 1 Sensor



Open in HO2
sensor heater
circuit

Comes on

DTC stored

2009 Toyota Tundra

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

2)



HO2 sensor
heater (for
Sensor 2)



Integration relay



ECM

P0038

Oxygen Sensor
Heater Control Circuit
High (Bank 1 Sensor
2)



Short in HO2
sensor heater
circuit



HO2 sensor
heater (for
Sensor 2)



Integration relay



ECM

Comes on

DTC stored

P0051

Oxygen (A/F) Sensor
Heater Control Circuit
Low (Bank 2 Sensor
1)



Open in A/F
sensor heater
circuit



A/F sensor
heater (for
Sensor 1)



Integration relay



ECM

Comes on

DTC stored

P0052

Oxygen (A/F) Sensor
Heater Control Circuit
High (Bank 2 Sensor
1)



Short in A/F
sensor heater
circuit



A/F sensor
heater (for
Sensor 1)



Integration relay



ECM

Comes on

DTC stored

P0057

Oxygen Sensor
Heater Control Circuit
Low (Bank 2 Sensor
2)



Open in HO2
sensor heater
circuit



HO2 sensor
heater (for
Sensor 2)



Integration relay



ECM

Comes on

DTC stored

P0058

Oxygen Sensor
Heater Control Circuit
High (Bank 2 Sensor
2)



Short in HO2
sensor heater
circuit



HO2 sensor

Comes on

DTC stored

2009 Toyota Tundra

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

heater (for
Sensor 2)



Integration relay



ECM

P0101

Mass Air Flow
Circuit
Range/Performance
Problem



Mass Air Flow
(MAF) meter



Air induction
system



PCV hose
connections

Comes on

DTC stored

P0102

Mass or Volume Air
Flow Circuit Low
Input



Open or short in
MAF meter
circuit



MAF meter



ECM

Comes on

DTC stored

P0103

Mass or Volume Air
Flow Circuit High
Input



Open or short in
MAF meter
circuit



MAF meter



ECM

Comes on

DTC stored

P0111

Intake Air
Temperature Sensor 1
Circuit
Range/Performance

Mass air flow meter
assembly

Comes on

DTC stored

P0112

Intake Air
Temperature Circuit
Low Input



Short in IAT
sensor circuit



IAT sensor
(built into MAF
meter)



ECM

Comes on

DTC stored

P0113

Intake Air
Temperature Circuit
High Input



Open in IAT
sensor circuit



IAT sensor
(built into MAF
meter)



ECM

Comes on

DTC stored

P0115

Engine Coolant
Temperature Circuit
Malfunction



Open or short in
ECT sensor
circuit



ECT sensor



ECM

Comes on

DTC stored

2009 Toyota Tundra

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

P0116

Engine Coolant
Temperature Circuit
Range/Performance
Problem



Thermostat



ECT sensor

Comes on

DTC stored

P0117

Engine Coolant
Temperature Circuit
Low Input



Short in ECT
sensor



ECT sensor



ECM

Comes on

DTC stored

P0118

Engine Coolant
Temperature Circuit
High Input



Open in ECT
sensor circuit



ECT sensor



ECM

Comes on

DTC stored

P011B

Engine Coolant
Temperature/Intake
Air Temperature
Correlation



IAT sensor



ECT sensor



ECM

Comes on

DTC stored

P0120

Throttle/Pedal
Position
Sensor/Switch "A"
Circuit Malfunction



Throttle
Position (TP)
sensor (built
into throttle
body)



ECM

Comes on

DTC stored

P0121

Throttle/Pedal
Position
Sensor/Switch "A"
Circuit
Range/Performance
Problem

TP sensor (built into
throttle body)

Comes on

DTC stored

P0122

Throttle/Pedal
Position
Sensor/Switch "A"
Circuit Low Input



TP sensor (built
into throttle
body)



Short in VTA1
circuit



Open in VC
circuit



ECM

Comes on

DTC stored

P0123

Throttle/Pedal
Position
Sensor/Switch "A"
Circuit High Input



TP sensor (built
into throttle
body)



Open in VTA1
circuit



Open in E2
circuit

Comes on

DTC stored

2009 Toyota Tundra

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