Toyota 2GR-FE Manual page 229

2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
DTC No. Detection Item
P0051 Oxygen (A/F) Sensor
Heater Control Circuit
Low (Bank 2 Sensor
1)
P0052 Oxygen (A/F) Sensor
Heater Control Circuit
High (Bank 2 Sensor
1)
P0057 Oxygen Sensor
Heater Control Circuit
Low (Bank 2 Sensor
2)
P0058 Oxygen Sensor
Heater Control Circuit
High (Bank 2 Sensor
2)
P0100 Mass or Volume Air
Flow Circuit
P0101 Mass Air Flow Circuit
Range / Performance
Problem
P0102 Mass or Volume Air
Flow Circuit Low
Input
P0103 Mass or Volume Air
Flow Circuit High
Input
P0110 Intake Air
Temperature Circuit
Malfunction
P0111 Intake Air
Temperature Sensor
Gradient Too High
Suspected Trouble
Area
1. Open in A/F sensor Comes on
heater circuit
2. A/F sensor heater
(bank 2 sensor 1)
3. A/F sensor heater
relay
4. ECM
1. Short in A/F sensor Comes on
heater circuit
2. A/F sensor heater
(bank 2 sensor 1)
3. A/F sensor heater
relay
4. ECM
1. Open in HO2 Comes on
sensor heater circuit
2. HO2 sensor heater
(bank 2 sensor 2)
3. Engine room
junction block (EFI
relay)
4. ECM
1. Short in HO2 Comes on
sensor heater circuit
2. HO2 sensor heater
(bank 2 sensor 2)
3. Engine room
junction block (EFI
relay)
4. ECM
1. Open or short in Comes on
Mass Air Flow (MAF)
meter circuit
2. MAF meter
3. ECM
MAF meter Comes on
1. Open in MAF Comes on
meter circuit
2. Short in MAF
meter circuit
3. MAF meter
4. ECM
1. Short in MAF Comes on
meter circuit (+B
circuit)
2. MAF meter
3. ECM
1. Open or short in Comes on
Intake Air
Temperature (IAT)
sensor circuit
2. IAT sensor (built
into Mass Air Flow
[MAF] meter)
3. ECM
MAF meter Comes on
MIL Memory
DTC stored
DTC stored
DTC stored
DTC stored
DTC stored
DTC stored
DTC stored
DTC stored
DTC stored
DTC stored
ES–73
See page
ES-107
ES-107
ES-115
ES
ES-115
ES-125
ES-133
ES-125
ES-125
ES-136
ES-142