Signal Circuit Inspection

Ignition "OFF"
Disconnect IAT sensor connector.
Measure resistance between terminal 1 of the sensor harness connector and chassis ground.
1. Specification: Infinite
  
  Fig 1: Measuring Resistance Between Terminal 1 Of Sensor Harness Connector And Chassis Ground
Is resistance within the specification?
YES
1. Go to "TERMINAL AND CONNECTOR INSPECTION " procedure.
NO
1. Repair short to ground in harness and go to "VERIFICATION OF VEHICLE REPAIR " procedure.