Tank Pressure Sensor - Short to Ground

P0452

Tank Pressure Sensor - Short to Ground

Function
The pressure sensor transmits the signal indicating tank pressure during the fuel tank leak test.

Diagnosis conditions
- Ignition on

P0450-P0453:

Wiring Diagram







Diagnosis Procedure

DTC P0450







DTC P0452







DTC P0453







1 Check wiring from pressure sensor to DME control module for short to ground.

1. Connect special tool 9616 to wiring harness (DME control module connector).
2. Remove connector of pressure sensor.
3. Connect ohmmeter to special tool 9616, pin 72, and ground.
Display: Infinity ohm

If 0 - 5 ohms is displayed, check wiring harness for chafing and pinching damage.

2 Check wiring from pressure sensor to DME control module for short to B+.

1. Connect special tool 9616 to wiring harness (DME control module connector).
2. Remove connector of pressure sensor.
3. Connect voltmeter to special tool 9616, pin 72, and ground.
Display: 0 V

If battery voltage is displayed, check wiring harness for chafing and pinching damage.