The sensor must be hot in order to operate normally. To keep it hot, the sensor has a heater which is controlled by the ECM via a duty cycle signal. When the exhaust gas temperature is lower than the specified value, the heater warms the sensor tip.
ETC (Electronic Throttle Control) System. Troubleshooting
Fail-Safe Mode
Item
Fail-Safe
ETC Motor
Throttle valve stuck at 5°
TPS
TPS 1 fault
ECM looks at TPS2
...
Ambient Sensor. Description and Operation
Description
1.
The ambient temperature sensor
is located at the front of the condenser and detects ambient air temperature.
It is a negative type thermistor; resistance will increas ...
Finish Maintenance Washing
To help protect your vehicle’s finish from rust and deterioration, wash it thoroughly
at least once a month with lukewarm or cold water.
Pay special attention to the removal of any accumulation of ...