Confirm Dtc And Evap Pressure

Connect an intelligent tester to the DLC3.

Turn the ignition switch ON (do not start the engine).

Turn the tester ON.

Select the following menu items: DIAGNOSIS / ENHANCED OBD II / DTC INFO / CURRENT CODES. Read DTCs.

Select the following menu items: DIAGNOSIS / ENHANCED OBD II / DATA LIST / PRIMARY / VAPOR PRESS.

Read the EVAP (Evaporative Emission) pressure displayed on the tester.

Result

Display (DTC Output)

Test Results

Suspected Trouble Areas

Proceed to

P0451

-

• Canister pressure sensor

C

P0452

Less than 45 kPa (430 mmHg)

• Wire harness/connector (ECM -canister pressure sensor)

• Canister pressure sensor

• Short in ECM circuit

A

P0453

More than 120 kPa (900 mmHg)

• Wire harness/connector (ECM -canister pressure sensor)

• Canister pressure sensor

• Open in ECM circuit

Go to step 4

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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