Es

HINT:

Make a note of the pressures checked in steps (a) and (b) below.

(a) Check the EVAP pressure 4 seconds after the leak

detection pump is activated .

(b) Check the EVAP pressure again when it has stabilized.

This pressure is the 0.02 inch leak criterion.

: The leak detection pump begins to operate as step 1/5 is proceeded to step 2/5.

Result

DTCs*

Test Results

Suspected Trouble Areas

Proceed To

-

EVAP pressure in step (b) between -4.85 kPa and -1.06 kPa (-36.38 mmHg and -7.95 mmHg)

Not yet determined

A

P043F and P2401

EVAP pressure in step (b) -1.06 kPa (-7.95 mmHg) or more

• Reference orifice high-flow

• Leak detection pump stuck OFF

B

P043E

EVAP pressure in step (b) below -4.85 kPa (-36.38 mmHg)

Reference orifice clogged

C

P2419

EVAP pressure in step (a) more than -1.06 kPa (-7.95 mmHg)

Vent valve stuck closed

D

: These DTCs are already present in the ECM when the vehicle arrives and are confirmed in step 1.

Go to step 11

Go to step 30

Go to step 19

PERFORM EVAP SYSTEM CHECK (STEP 2/5 TO 3/5)

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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