IG KEY "OFF", ENGINE "OFF".

Disconnect BPS connector.

Check if corrosion and damage in BPS terminal is detected.

Check BPS mounting state, leakage at O′ring, clogged carbon at pressure detecting hall.

Are the problems relevant to BPS found?

	▶ Replace BPS if necessary and go to "Verification of Vehicle Repair".
	▶ Go to "2. Check BPS output voltage at IG KEY ON" as follows.

IG KEY "ON", ENGINE "ON".

Connect GDS to Data Link Connector (DLC).

IG KEY "ON"

Monitor "ATMOSPHERIC PRESSURE" and "BOOST PRESSURE SENSOR" parameters on GDS.

Check if both "ATMOSPHERIC PRESSURE" and "BOOST PRESSURE SENSOR" indicates similar value at IG KEY "ON".

Is any BPS related problem is detedcted?

	▶ Go to "Verification of Vehicle Repair".
	▶ Replace BPS and go to "Verification of Vehicle Repair".