P0452

Read the instructions below then start the fault diagnostic procedure.

Symptom: CHECK ENGINE comes on after two driving cycles.

P0452

Fault symptoms

CHECK ENGINE comes on after two driving cycles.

Conditions

The following conditions apply for this DTC:

•	Ignition switch in ON position.

•	Voltage below 0.1 V for more than 5 s.

Diagnostic help

Fault diagnosis concerns electrical faults in connected leads or in the sensor.

Diagnostic tool functions related to this fault are:

•	EVAP tank pressure sensor value, unit kPa.

When the fuel level is below the sensor and the filler cap has been removed, the value should be approx. 0 kPa.

Check the wiring

Jiggle the leads and in-line connectors at various points and in different directions to detect any intermittent breaks or short circuits in the wiring. Observe the multimeter, test lamp or diagnostic tool while doing this.

Diagnostic procedure