engine TOYOTA SIENNA 2007 Service Repair Manual

2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEMES–67
ES
P0110 Intake Air
Temperature Circuit1. Open or short in
IAT sensor circuit
2. IAT sensor (built
into MAF meter)
3. ECMComes on DTC storedES-124
P0111 Intake Air
Temperature Sensor
Gradient Too HighMass air flow meter
assemblyComes on DTC storedES-130
P0112 Intake Air
Temperature Circuit
Low Input1. Short in IAT sensor
circuit
2. IAT sensor (built
into MAF meter)
3. ECMComes on DTC storedES-124
P0113 Intake Air
Temperature Circuit
High Input1 . O p e n i n I AT s e n s o r
circuit
2. IAT sensor (built
into MAF meter)
3. ECMComes on DTC storedES-124
P0115 Engine Coolant
Temperature Circuit1. Open or short in
ECT sensor circuit
2. ECT sensor
3. ECMComes on DTC storedES-133
P0116 Engine Coolant
Temperature Circuit
Range / Performance
Problem1. Thermostat
2. ECT sensorComes on DTC storedES-139
P0117 Engine Coolant
Temperature Circuit
Low Input1. Short in ECT
sensor circuit
2. ECT sensor
3. ECMComes on DTC storedES-133
P0118 Engine Coolant
Temperature Circuit
High Input1. Open in ECT
sensor circuit
2. ECT sensor
3. ECMComes on DTC storedES-133
P011B Engine Coolant
Temperature / Intake
Air Temperature
Correlation1. IAT sensor
2. ECT sensor
3. ECMComes on DTC storedES-142
P0120 Throttle / Pedal
Position Sensor /
Switch "A" Circuit1. Throttle Position
(TP) sensor (built into
throttle body)
2. ECMComes on DTC storedES-145
P0121 Throttle / Pedal
Position Sensor /
Switch "A" Circuit
Range / Performance
ProblemTP sensor (built into
throttle body)Comes on DTC storedES-152
P0122 Throttle / Pedal
Position Sensor /
Switch "A" Circuit
Low Input1. TP sensor (built
into throttle body)
2. Short in VTA1
circuit
3. Open in VC circuit
4. ECMComes on DTC storedES-145
P0123 Throttle / Pedal
Position Sensor /
Switch "A" Circuit
High Input1. TP sensor (built
into throttle body)
2. Open in VTA1
circuit
3. Open in E2 circuit
4. Short between VC
and VTA1 circuits
5. ECMComes on DTC storedES-145 DTC Code Detection Item Suspected Trouble
AreaMIL Memory See page

ES–682GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES
P0125 Insufficient Coolant
Temperature for
Closed Loop Fuel
Control1. Cooling system
2. Engine coolant
temperature sensor
3. ThermostatComes on DTC storedES-154
P0128 Coolant Thermostat
(Coolant
Temperature Below
Thermostat
Regulating
Temperature)1. Thermostat
2. Cooling system
3. ECT sensor
4. ECMComes on DTC storedES-157
P0136 Oxygen Sensor
Circuit Malfunction
(Bank 1 Sensor 2)1. Open or short in
HO2 sensor (bank 1,
2 sensor 2) circuit
2. HO2 sensor (bank
1, 2 sensor 2)
3. HO2 sensor heater
(bank 1, 2 sensor 2)
4. Air-Fuel Ratio (A/
F) sensor (bank 1, 2
sensor 1)
5. EFI relay
6. Gas leakage from
exhaust systemComes on DTC storedES-160
P0137 Oxygen Sensor
Circuit Low Voltage
(Bank 1 Sensor 2)1. Open in HO2
sensor (bank 1, 2
sensor 2) circuit
2. HO2 sensor (bank
1, 2 sensor 2)
3. HO2 sensor heater
(bank 1, 2 sensor 2)
4. EFI relay
5. Gas leakage from
exhaust systemComes on DTC storedES-160
P0138 Oxygen Sensor
Circuit High Voltage
(Bank 1 Sensor 2)1. Short in HO2
sensor (bank 1, 2
sensor 2) circuit
2. HO2 sensor (bank
1, 2 sensor 2)
3. ECM internal
circuit malfunction
4. Air-Fuel ratio (A/F)
sensor (bank 1, 2
sensor 1)Comes on DTC storedES-160
P0141 Oxygen Sensor
Heater Circuit
Malfunction (Bank 1
Sensor 2)1. HO2 sensor
2. ECMComes on DTC storedES-109
P0156 Oxygen Sensor
Circuit Malfunction
(Bank 2 Sensor 2)1. Open or short in
HO2 sensor (bank 1,
2 sensor 2) circuit
2. HO2 sensor (bank
1, 2 sensor 2)
3. HO2 sensor heater
(bank 1, 2 sensor 2)
4. Air-Fuel Ratio (A/
F) sensor (bank 1, 2
sensor 1)
5. EFI relay
6. Gas leakage from
exhaust systemComes on DTC storedES-160 DTC Code Detection Item Suspected Trouble
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2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEMES–69
ES
P0157 Oxygen Sensor
Circuit Low Voltage
(Bank 2 Sensor 2)1. Open in HO2
sensor (bank 1, 2
sensor 2) circuit
2. HO2 sensor (bank
1, 2 sensor 2)
3. HO2 sensor heater
(bank 1, 2 sensor 2)
4. EFI relay
5. Gas leakage from
exhaust systemComes on DTC storedES-160
P0158 Oxygen Sensor
Circuit High Voltage
(Bank 2 Sensor 2)1. Short in HO2
sensor (bank 1, 2
sensor 2) circuit
2. HO2 sensor (bank
1, 2 sensor 2)
3. ECM internal
circuit malfunction
4. Air-Fuel ratio (A/F)
sensor (bank 1, 2
sensor 1)Comes on DTC storedES-160
P0161 Oxygen Sensor
Heater Circuit
Malfunction (Bank 2
Sensor 2)1. HO2 sensor
2. ECMComes on DTC storedES-109
P0171 System Too Lean
(Bank 1)1. Intake system
2. Injector blockage
3. Mass Air Flow
(MAF) meter
4. Engine Coolant
Temperature (ECT)
sensor
5. Fuel pressure
6. Gas leakage from
exhaust system
7. Open or short in A/
F sensor (bank 1, 2
sensor 1) circuit
8. A/F sensor (bank
1, 2 sensor 1)
9. A/F sensor heater
(bank 1, 2 sensor 1)
10. A/F sensor heater
relay
11. A/F sensor heater
and A/F sensor
heater relay circuits
12. PCV valve and
hose
13. PCV hose
connections
14. ECMComes on DTC storedES-180 DTC Code Detection Item Suspected Trouble
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ES–702GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES
P0172 System Too Rich
(Bank 1)1. Injector leakage or
blockage
2. MAF meter
3. ECT sensor
4. Ignition system
5. Fuel pressure
6. Gas leakage from
exhaust system
7. Open or short in A/
F sensor (bank 1, 2
sensor 1) circuit
8. A/F sensor (bank
1, 2 sensor 1)
9. A/F sensor heater
(bank 1, 2 sensor 1)
10. A/F sensor heater
relay
11. A/F sensor heater
and A/F sensor
heater relay circuits
12. ECMComes on DTC storedES-180
P0174 System Too Lean
(Bank 2)1. Intake system
2. Injector blockage
3. Mass Air Flow
(MAF) meter
4. Engine Coolant
Temperature (ECT)
sensor
5. Fuel pressure
6. Gas leakage from
exhaust system
7. Open or short in A/
F sensor (bank 1, 2
sensor 1) circuit
8. A/F sensor (bank
1, 2 sensor 1)
9. A/F sensor heater
(bank 1, 2 sensor 1)
10. A/F sensor heater
relay
11. A/F sensor heater
and A/F sensor
heater relay circuits
12. PCV valve and
hose
13. PCV hose
connections
14. ECMComes on DTC storedES-180 DTC Code Detection Item Suspected Trouble
AreaMIL Memory See page

2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEMES–71
ES
P0175 System Too Rich
(Bank 2)1. Injector leakage or
blockage
2. MAF meter
3. ECT sensor
4. Ignition system
5. Fuel pressure
6. Gas leakage from
exhaust system
7. Open or short in A/
F sensor (bank 1, 2
sensor 1) circuit
8. A/F sensor (bank
1, 2 sensor 1)
9. A/F sensor heater
(bank 1, 2 sensor 1)
10. A/F sensor heater
relay
11. A/F sensor heater
and A/F sensor
heater relay circuits
12. ECMComes on DTC storedES-180
P0220 Throttle / Pedal
Position Sensor /
Switch "B" Circuit1. TP sensor (built
into throttle body)
2. ECMComes on DTC storedES-145
P0222 Throttle / Pedal
Position Sensor /
Switch "B" Circuit
Low Input1. TP sensor (built
into throttle body)
2. Short in VTA2
circuit
3. Open in VC circuit
4. ECMComes on DTC storedES-145
P0223 Throttle / Pedal
Position Sensor /
Switch "B" Circuit
High Input1. TP sensor (built
into throttle body)
2. Open in VTA2
circuit
3. Open in E2 circuit
4. Short between VC
and VTA2 circuits
5. ECMComes on DTC storedES-145
P0230 Fuel Pump Primary
Circuit1. Open or short in
FUEL PUMP relay
circuit
2. FUEL PUMP relay
3. ECMDoes not come on DTC storedES-192 DTC Code Detection Item Suspected Trouble
AreaMIL Memory See page

ES–722GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES
P0300 Random / Multiple
Cylinder Misfire
Detected1. Open or short in
engine wire harness
2. Connector
connection
3. Vacuum hose
connections
4. Ignition system
5. Injector
6. Fuel pressure
7. Mass Air Flow
(MAF) meter
8. Engine Coolant
Temperature (ECT)
sensor
9. Compression
pressure
10. Valve timing
11. Valve clearance
12. PCV valve and
hose
13. PCV hose
connections
14. Intake system
15. ECMComes on DTC storedES-196
P0301 Cylinder 1 Misfire
DetectedSame as DTC P0300 Comes on DTC storedES-196
P0302 Cylinder 2 Misfire
DetectedSame as DTC P0300 Comes on DTC storedES-196
P0303 Cylinder 3 Misfire
DetectedSame as DTC P0300 Comes on DTC storedES-196
P0304 Cylinder 4 Misfire
DetectedSame as DTC P0300 Comes on DTC storedES-196
P0305 Cylinder 5 Misfire
DetectedSame as DTC P0300 Comes on DTC storedES-196
P0306 Cylinder 6 Misfire
DetectedSame as DTC P0300 Comes on DTC storedES-196
P0327 Knock Sensor 1
Circuit Low Input
(Bank 1 or Single
Sensor)1. Short in knock
sensor 1 or 2 circuit
2. Knock sensor 1 or
2
3. ECMComes on DTC storedES-213
P0328 Knock Sensor 1
Circuit High Input
(Bank 1 or Single
Sensor)1. Open in knock
sensor 1 or 2 circuit
2. Knock sensor 1 or
2
3. ECMComes on DTC storedES-213
P0332 Knock Sensor 2
Circuit Low Input
(Bank 2)1. Short in knock
sensor 1 or 2 circuit
2. Knock sensor 1 or
2
3. ECMComes on DTC storedES-213
P0333 Knock Sensor 2
Circuit High Input
(Bank 2)1. Open in knock
sensor 1 or 2 circuit
2. Knock sensor 1 or
2
3. ECMComes on DTC storedES-213
P0335 Crankshaft Position
Sensor "A" Circuit1. Open or short in
CKP sensor circuit
2. CKP sensor
3. Sensor plate (CKP
sensor plate)
4. ECMComes on DTC storedES-220 DTC Code Detection Item Suspected Trouble
AreaMIL Memory See page

2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEMES–73
ES
P0339 Crankshaft Position
Sensor "A" Circuit
Intermittent1. Open or short in
CKP sensor circuit
2. CKP sensor
3. Sensor plate (CKP
sensor plate)
4. ECMDoes not come on DTC storedES-220
P0340 Camshaft Position
Sensor "A" Circuit
(Bank 1 or Single
Sensor)1. Open or short in
VVT sensor circuit for
intake camshaft
2. VVT sensor for
intake camshaft
3. Camshaft timing
gear for intake
camshaft
4. Jumped tooth of
timing chain for
intake camshaft
5. ECMComes on DTC storedES-226
P0342 Camshaft Position
Sensor "A" Circuit
Low Input (Bank 1 or
Single Sensor)1. Open or short in
VVT sensor circuit for
intake camshaft
2. VVT sensor for
intake camshaft
3. Camshaft timing
gear for intake
camshaft
4. Jumped tooth of
timing chain for
intake camshaft
5. ECMComes on DTC storedES-226
P0343 Camshaft Position
Sensor "A" Circuit
High Input (Bank 1 or
Single Sensor)1. Open or short in
VVT sensor circuit for
intake camshaft
2. VVT sensor for
intake camshaft
3. Camshaft timing
gear for intake
camshaft
4. Jumped tooth of
timing chain for
intake camshaft
5. ECMComes on DTC storedES-226
P0345 Camshaft Position
Sensor "A" Circuit
(Bank 2)1. Open or short in
VVT sensor circuit for
intake camshaft
2. VVT sensor for
intake camshaft
3. Camshaft timing
gear for intake
camshaft
4. Jumped tooth of
timing chain for
intake camshaft
5. ECMComes on DTC storedES-226
P0347 Camshaft Position
Sensor "A" Circuit
Low Input (Bank 2)1. Open or short in
VVT sensor circuit for
intake camshaft
2. VVT sensor for
intake camshaft
3. Camshaft timing
gear for intake
camshaft
4. Jumped tooth of
timing chain for
intake camshaft
5. ECMComes on DTC storedES-226 DTC Code Detection Item Suspected Trouble
AreaMIL Memory See page

ES–742GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES
P0348 Camshaft Position
Sensor "A" Circuit
High Input (Bank 2)1. Open or short in
VVT sensor circuit for
intake camshaft
2. VVT sensor for
intake camshaft
3. Camshaft timing
gear for intake
camshaft
4. Jumped tooth of
timing chain for
intake camshaft
5. ECMComes on DTC storedES-226
P0351 Ignition Coil "A"
Primary / Secondary
Circuit1. Ignition system
2. Open or short in
IGF1 or IGT circuit (1
to 6) between ignition
coil with igniter and
ECM
3. No. 1 to No. 6
ignition coils with
igniters
4. ECMComes on DTC storedES-233
P0352 Ignition Coil "B"
Primary / Secondary
CircuitSame as DTC P0351 Comes on DTC storedES-233
P0353 Ignition Coil "C"
Primary / Secondary
CircuitSame as DTC P0351 Comes on DTC storedES-233
P0354 Ignition Coil "D"
Primary / Secondary
CircuitSame as DTC P0351 Comes on DTC storedES-233
P0355 Ignition Coil "E"
Primary / Secondary
CircuitSame as DTC P0351 Comes on DTC storedES-233
P0356 Ignition Coil "F"
Primary / Secondary
CircuitSame as DTC P0351 Comes on DTC storedES-233
P0365 Camshaft Position
Sensor "B" Circuit
(Bank 1)1. Open or short in
VVT sensor for
exhaust camshaft
circuit
2. VVT sensor for
exhaust camshaft
3. Exhaust camshaft
4. ECMComes on DTC storedES-244
P0367 Camshaft Position
Sensor "B" Circuit
Low Input (Bank 1)1. Open or short in
VVT sensor for
exhaust camshaft
circuit
2. VVT sensor for
exhaust camshaft
3. Exhaust camshaft
4. Jumped teeth of
timing chain
5. ECMComes on DTC storedES-244 DTC Code Detection Item Suspected Trouble
AreaMIL Memory See page

2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEMES–75
ES
P0368 Camshaft Position
Sensor "B" Circuit
High Input (Bank 1)1. Open or short in
VVT sensor for
exhaust camshaft
circuit
2. VVT sensor for
exhaust camshaft
3. Exhaust camshaft
4. Jumped teeth of
timing chain
5. ECMComes on DTC storedES-244
P0390 Camshaft Position
Sensor "B" Circuit
(Bank 2)1. Open or short in
VVT sensor for
exhaust camshaft
circuit
2. VVT sensor for
exhaust camshaft
3. Exhaust camshaft
4. ECMComes on DTC storedES-244
P0392 Camshaft Position
Sensor "B" Circuit
Low Input (Bank 2)1. Open or short in
VVT sensor for
exhaust camshaft
circuit
2. VVT sensor for
exhaust camshaft
3. Exhaust camshaft
4. Jumped teeth of
timing chain
5. ECMComes on DTC storedES-244
P0393 Camshaft Position
Sensor "B" Circuit
High Input (Bank 2)1. Open or short in
VVT sensor for
exhaust camshaft
circuit
2. VVT sensor for
exhaust camshaft
3. Exhaust camshaft
4. Jumped teeth of
timing chain
5. ECMComes on DTC storedES-244
P0420 Catalyst System
Efficiency Below
Threshold (Bank 1)1. Gas leakage from
exhaust system
2. A/F sensor (bank 1
sensor 1)
3. HO2 sensor (bank
1 sensor 2)
4. Exhaust manifold
(TWC)Comes on DTC storedES-250
P0430 Catalyst System
Efficiency Below
Threshold (Bank 2)1. Gas leakage from
exhaust system
2. A/F sensor (bank 2
sensor 1)
3. HO2 sensor (bank
2 sensor 2)
4. Exhaust manifold
(TWC)Comes on DTC storedES-250
P043E Evaporative Emission
System Reference
Orifice Clog Up1. Pump module
2. Connector/wire
harness (Pump
module - ECM)
3. ECMComes on DTC storedES-257
P043F Evaporative Emission
System Reference
Orifice High Flow1. Pump module
2. Connector/wire
harness (Pump
module - ECM)
3. ECMComes on DTC storedES-257 DTC Code Detection Item Suspected Trouble
AreaMIL Memory See page

ES–762GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES
P0441 Evaporative Emission
Control System
Incorrect Purge Flow1. Purge VSV
2. Purge VSV circuit
(between purge VSV
and ECM)
3. Leakage from
EVAP line (between
purge VSV and
intake manifold)
4. EVAP line clogged
(between purge VSV
and canister)
5. ECMComes on DTC storedES-262
P0450 Evaporative Emission
Control System
Pressure Sensor /
Switch1. Pump module
2. ECMComes on DTC storedES-269
P0451 Evaporative Emission
Control System
Pressure Sensor
Range / Performance1. Pump module
2. Connector/wire
harness (Pump
module - ECM)
3. ECMComes on DTC storedES-269
P0452 Evaporative Emission
Control System
Pressure Sensor /
Switch Low Input1. Pump module
2. Connector/wire
harness (Pump
module - ECM)
3. ECMComes on DTC storedES-269
P0453 Evaporative Emission
Control System
Pressure Sensor /
Switch High Input1. Pump module
2. Connector/wire
harness (Pump
module - ECM)
3. ECMComes on DTC storedES-269
P0455 Evaporative Emission
Control System Leak
Detected (Gross
Leak)1. Fuel tank cap
(loose)
2. Leakage from
EVAP line (Canister -
Fuel tank)
3. Leakage from
EVAP line (Purge
VSV - Canister)
4. Leakage from
pump module
5. Leakage from fuel
tank
6. Leakage from
canisterComes on DTC storedES-278
P0456 Evaporative Emission
Control System Leak
Detected (Very Small
Leak)Same as DTC P0455 Comes on DTC storedES-278
P0500 Vehicle Speed
Sensor "A"1. Open or short in
speed sensor circuit
2. Speed sensor
3. Combination meter
4. ECM
5. Skid control ECUComes on DTC storedES-283
P0504 Brake Switch "A" / "B"
Correlation1. Short in stop light
switch signal circuit
2. STOP fuse
3. Stop light switch
4. ECMDoes not come on DTC storedES-288 DTC Code Detection Item Suspected Trouble
AreaMIL Memory See page