9046246

1.

ignition Switch "OFF"

2.

Refer to "Shop Manual" and remove boost pressure sensor.

3.

Inspect for corrosion and contamination on connector terminal of boost pressure sensor.

4.

Check for proper installation of boost pressure sensor and inspect for leakage of O-ring, excessive carbon on sensing area.

Specification : Refer to Fig

5.

Have any problems been found?

▶ Carefully re-do this troubleshooting guide steps.

▶ If no problems were found with the circuits or connectors, replace the BPS and go to "Verification of Vehicle Repair" procedure.

▶Go to "Boost Pressure Sensor Output Signal Inspection" procedure.

6.

Ignition Switch "OFF"

7.

Connect VMI to GDS and set up the Oscilloscope.(2 Channel):

Channel A (+) : Pin No. 1 (Signal) terminal (BPS Harness Connector)

Channel A (-) : Ground

8.

Ignition switch "ON" & Engine "OFF"

9.

Inspection condition : Ignition switch "ON"

Specification : Approx. 1.0V

10.

Is the measured value within spcification?

▶ Fault is intermittent caused by poor contact in the sensor’s and/or ECM’s connector or was repaired and ECM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "Verification of vehicle Repair" procedure.

▶ Carefully re-do this troubleshooting guide steps.

▶ If no problems were found with the circuits or connectors, replace the BPS and go to "Verification of Vehicle Repair" procedure.