Perform Evap System Check Step To

Purge VSV

Vent Valve

Leak Detection Pump

EVAP Pressure Positive k

Negative \

First Reference Pressure \

Steps

Time (Reference)

Negative \

First Reference Pressure \

Steps

Time (Reference)

ON

ON: Open

OFF: Closed ON: Closed

ON

OFF: Vent

ON

\

if

k Detection Pump Stuck ON

/

1/5

2/5

10 seconds

seconds

(a) Check the EVAP pressure in steps 1/5 and 2/5.

Result

DTCs*

Test Results

Suspected Trouble Area

Proceed to

-

Virtually no variation in EVAP pressure during step 1/5. Then decreases to reference pressure

Not yet determined

A

P2402

Small difference between EVAP pressures during steps 1/5 and 2/5

Leak detection pump stuck ON

B

*: These DTCs are already present in the ECM when the vehicle arrives and are confirmed in the "CONFIRM DTC" procedures above. HINT:

The first reference pressure is the value determined in step 2/5.

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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Responses

  • Jessica
    How long between each step of a 2003 toyota camery evap test?
    7 months ago

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