Toyota 2GR-FE Manual page 228

ES–72
DTC No.
P0020
P0021
P0022
ES
P0023
P0024
P0025
P0031
P0032
P0037
P0038
2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
Detection Item Suspected Trouble
Area
Camshaft Position 1. Open or short in
"A" Actuator Circuit Oil Control Valve
(Bank 2) (OCV) for intake
camshaft circuit
2. OCV for intake
camshaft (bank 2)
3. ECM
Camshaft Position Same as DTC P0011
"A" - Timing Over-
Advanced or System
Performance (Bank
2)
Camshaft Position Same as DTC P0011
"A" - Timing Over-
Retarded (Bank 2)
Camshaft Position 1. Open or short in
"B" Actuator Circuit / Oil Control Valve
Open (Bank 2) (OCV) for exhaust
camshaft circuit
2. OCV for exhaust
camshaft (bank 2)
3. ECM
Camshaft Position Same as DTC P0014
"B" - Timing Over-
Advanced or System
Performance (Bank
2)
Camshaft Position Same as DTC P0014
"B" - Timing Over-
Retarded (Bank 2)
Oxygen (A/F) Sensor 1. Open in Air-Fuel
Heater Control Circuit Ratio (A/F) sensor
heater circuit
Low (Bank 1 Sensor
1) 2. A/F sensor heater
(bank 1 sensor 1)
3. A/F sensor heater
relay
4. ECM
Oxygen (A/F) Sensor 1. Short in A/F sensor
Heater Control Circuit heater circuit
High (Bank 1 Sensor 2. A/F sensor heater
1) (bank 1 sensor 1)
3. A/F sensor heater
relay
4. ECM
Oxygen Sensor 1. Open in Heated
Heater Control Circuit Oxygen (HO2)
Low (Bank 1 Sensor sensor heater circuit
2) 2. HO2 sensor heater
(bank 1 sensor 2)
3. Engine room
junction block (EFI
relay)
4. ECM
Oxygen Sensor 1. Short in HO2
Heater Control Circuit sensor heater circuit
High (Bank 1 Sensor 2. HO2 sensor heater
2) (bank 1 sensor 2)
3. Engine room
junction block (EFI
relay)
4. ECM
MIL Memory
Comes on DTC stored
Comes on DTC stored
Comes on DTC stored
Comes on DTC stored
Comes on DTC stored
Comes on DTC stored
Comes on DTC stored
Comes on DTC stored
Comes on DTC stored
Comes on DTC stored
See page
ES-79
ES-84
ES-84
ES-91
ES-96
ES-96
ES-107
ES-107
ES-115
ES-115