Subaru Crosstrek Service Manual: Dtc p0073 ambient air temperature sensor circuit "a" high

Subaru Crosstrek Service Manual / Engine (diagnostics)(h4do) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc p0073 ambient air temperature sensor circuit "a" high

ENGINE (DIAGNOSTICS)(H4DO) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)

DTC P0073 AMBIENT AIR TEMPERATURE SENSOR CIRCUIT "A" HIGH

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.

(1)

Ambient sensor

(2)

Resistance value (k?)

(3)

Ambient air temperature (°C (°F))

3. EXECUTION CONDITION

Secondary Parameters	Execution condition
Battery voltage	≥ 10.9 V

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.

Judgment Value

Malfunction Criteria	Threshold Value
Output voltage	> 4.88 V

Time Needed for Diagnosis: 2500 ms

Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.

Dtc p0072 ambient air temperature sensor circuit "a" low

ENGINE (DIAGNOSTICS)(H4DO) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC P0072 AMBIENT AIR TEMPERATURE SENSOR CIRCUIT "A" LOWDTC detecting condition:Immediately at fault re ...

Dtc p0101 mass or volume air flow sensor "a" circuit range/performance

ENGINE (DIAGNOSTICS)(H4DO) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC P0101 MASS OR VOLUME AIR FLOW SENSOR "A" CIRCUIT RANGE/PERFORMANCEDTC DETECTING CONDITION:Detected ...

Other materials:

Selection screen
When the button is pushed and held, the setting screen for each menu can be displayed. Select the preferred menu by operating the " " or " " switch. Top menu Menu option Description Time/Date Time/Date Set and adjust the time and date. 12h or 24h f ...

Note
ENGINE (DIAGNOSTICS)(H4DO) > General DescriptionNOTE• The on-board diagnostic (OBD) system detects and indicates a fault in various inputs and outputs of the complex electronic control. Malfunction indicator light in the combination meter indicates occurrence of a fault or trouble.• F ...

List of diagnostic trouble code (dtc) List
OCCUPANT DETECTION SYSTEM (DIAGNOSTICS) > List of Diagnostic Trouble Code (DTC)LISTDTCItemContent of diagnosisReferenceB1650OCCUPANT DETECTION SYSTEM MALFUNCTION• Occupant detection sensor is faulty.• Occupant detection control module is faulty.• Occupant detection harness is fa ...