Toyota 2GR-FE Manual page 230

ES–74
DTC No.
P0112
P0113
P0115
ES
P0116
P0117
P0118
P0120
P0121
P0122
P0123
P0125
P0128
2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
Detection Item Suspected Trouble
Area
Intake Air 1. Short in IAT sensor
Temperature Circuit circuit
Low Input 2. IAT sensor (built
into MAF meter)
3. ECM
Intake Air 1. Open in IAT sensor
Temperature Circuit circuit
High Input 2. IAT sensor (built
into MAF meter)
3. ECM
Engine Coolant 1. Open or short in
Temperature Circuit Engine Coolant
Malfunction Temperature (ECT)
sensor circuit
2. ECT sensor
3. ECM
Engine Coolant 1. Thermostat
Temperature Circuit 2. ECT sensor
Range / Performance
Problem
Engine Coolant 1. Short in ECT
Temperature Circuit sensor circuit
Low Input 2. ECT sensor
3. ECM
Engine Coolant 1. Open in ECT
Temperature Circuit sensor circuit
High Input 2. ECT sensor
3. ECM
Throttle / Pedal 1. Throttle Position
Position Sensor / (TP) sensor (built into
Switch "A" Circuit throttle body)
Malfunction 2. ECM
Throttle / Pedal TP sensor (built into
Position Sensor / throttle body)
Switch "A" Circuit
Range / Performance
Problem
Throttle / Pedal 1. TP sensor (built
Position Sensor / into throttle body)
Switch "A" Circuit 2. Short in VTA1
Low Input circuit
3. Open in VC circuit
4. ECM
Throttle / Pedal 1. TP sensor (built
Position Sensor / into throttle body)
Switch "A" Circuit 2. Open in VTA1
circuit
High Input
3. Open in E2 circuit
4. Short between VC
and VTA1 circuits
5. ECM
Insufficient Coolant 1. Cooling system
Temperature for 2. ECT sensor
Closed Loop Fuel 3. Thermostat
Control
Coolant Thermostat 1. Thermostat
(Coolant 2. Cooling system
Temperature Below 3. ECT sensor
Thermostat 4. ECM
Regulating
Temperature)
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
Comes on DTC stored
Comes on DTC stored
See page
ES-136
ES-136
ES-145
ES-151
ES-145
ES-145
ES-154
ES-161
ES-154
ES-154
ES-165
ES-168