Toyota 2GR-FE Manual page 233

2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
DTC No. Detection Item
P0174 System Too Lean
(Bank 2)
P0175 System Too Rich
(Bank 2)
P0220 Throttle / Pedal
Position Sensor /
Switch "B" Circuit
P0222 Throttle / Pedal
Position Sensor /
Switch "B" Circuit
Low Input
P0223 Throttle / Pedal
Position Sensor /
Switch "B" Circuit
High Input
Suspected Trouble
Area
1. Air induction Comes on
system
2. Injector blockage
3. MAF meter
4. ECT sensor
5. Fuel pressure
6. Gas leakage from
exhaust system
7. Open or short in A/
F sensor (bank 2
sensor 1) circuit
8. A/F sensor (bank 2
sensor 1)
9. A/F sensor heater
(bank 2 sensor 1)
10. A/F sensor heater
relay
11. A/F sensor heater
and A/F sensor
heater relay circuits
12. PCV hose
connections
13. PCV valve and
hose
14. ECM
1. Injector leakage or Comes on
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 2
sensor 1) circuit
8. A/F sensor (bank 2
sensor 1)
9. A/F sensor heater
(bank 2 sensor 1)
10. A/F sensor heater
relay
11. A/F sensor heater
and A/F sensor
heater relay circuits
12. ECM
1. TP sensor (built Comes on
into throttle body)
2. ECM
1. TP sensor (built Comes on
into throttle body)
2. Short in VTA2
circuit
3. Open in VC circuit
4. ECM
1. TP sensor (built Comes on
into throttle body)
2. Open in VTA2
circuit
3. Open in E2 circuit
4. Short between VC
and VTA2 circuits
5. ECM
MIL Memory
DTC stored
DTC stored
DTC stored
DTC stored
DTC stored
ES–77
See page
ES-191
ES
ES-191
ES-154
ES-154
ES-154