Component Inspection

Engine Control
P0071 Ambient Air Temperature Circuit Range / Performance - Inspection/Repair:_:Component Inspection

Component Inspection

AAT Visually Inspect
1. Was a problem found?





AAT Simulation Inspect
1. IG KEY OFF.
2. Disconnect AAT connector.
3. IG KEY ON.
4. Perform voltage simulation to signal circuit of AAT.








5. Does the simulation frequency make AAT value change?





Resistance Inspection
1. Ignition "OFF".
2. Measure resistance between power terminal and control terminal of the sensor connector (Component side)
Specification :









3. Is resistance within the specification?