Ignition Switch "OFF"
Connect VMI to GDS and perform oscilloscope.(2 Chennel):
Channel A (+) : Pin No.3(Intake Air Temperature
Is the measured voltage within specification?
![]() | ▶ 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. |
![]() | ▶ If no problems were found with the circuits or connectors, Replace the intake air temperature sensor and go to "Verification of Vehicle Repair" procedure. |