DTC Summary
WARNING: This page is about a different car, the 2016 Toyota Highlander, 2015 Toyota Highlander, and 2014 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
| DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
MIL |
Memory |
| P1451 |
Fuel Tank Pressure Sensor Range/Performance |
Either of the following conditions is met:
- Fuel tank pressure sensor output voltage fluctuates frequently in certain time period.
- Fuel tank pressure sensor output voltage does not vary in certain time period.
|
- Fuel tank pressure sensor
- Connector/wire harness (fuel tank pressure sensor - ECM)
- ECM
|
Comes on |
DTC stored |
| P1452 |
Fuel Tank Pressure Sensor Low Input |
Fuel tank pressure is less than -17.1875 kPa(gauge) [-128.92 mmHg(gauge)] for 0.5 seconds. |
- Fuel tank pressure sensor
- Connector/wire harness (fuel tank pressure sensor - ECM)
- ECM
|
Comes on |
DTC stored |
| P1453 |
Fuel Tank Pressure Sensor High Input |
Fuel tank pressure is higher than 23.9375 kPa(gauge) [179.55 mmHg(gauge)] for 0.5 seconds. |
- Fuel tank pressure sensor
- Connector/wire harness (fuel tank pressure sensor - ECM)
- ECM
|
Comes on |
DTC stored |
| DTC No. |
Monitoring Item |
Detection Timing |
Detection Logic |
| P1451 |
Fuel tank pressure sensor abnormal voltage fluctuation |
EVAP monitoring (power switch off) |
2 trip |
| Fuel tank pressure sensor constant voltage |
| P1452 |
Fuel tank pressure sensor voltage low |
- EVAP monitoring (power switch off)
- Power switch on (IG)
|
1 trip |
| P1453 |
Fuel tank pressure sensor voltage high |