NOTE: For the diagnostic procedure, refer to DTC P0072. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P0072 AMBIENT AIR TEMPERATURE SENSOR CIRCUIT "A" LOW 1. OUTLINE OF DIAGNOSIS Detect the open or short circuit of ambient temperature sensor. Judge as NG if out of specification. 2. COMPONENT DESCRIPTION Ambient temperature sensor is connected to combination meter. ECM receives the data of ambient temperature sensor via CAN communication with combination meter.
3. EXECUTION CONDITION
4. GENERAL DRIVING CYCLE Always perform the diagnosis continuously. 5. DIAGNOSTIC METHOD If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.
Time Needed for Diagnosis: 2500 ms Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs. |
Inspection
Check the removed parts for damage, wear, corrosion etc. If faulty, repair or replace.• PTJ (pillow tripod joint)Check for seizure, corrosion, damage, wear and excessive play.• EBJ (high-efficiency compact ball fixed joint)Check for seizure, corrosion, damage and excessive play.• S ...