Honda Civic manuals

Subaru Legacy Service Manual: 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 p0101 mass or volume air flow sensor "a" circuit range/performance
DTC DETECTING CONDITION:Detected when two consecutive driving cycles with fault occur.TROUBLE SYMPTOM:• Improper idling• Engine stalls.• Poor driving performanceCAUTION:After servici ...

Dtc p0072 ambient air temperature sensor circuit "a" low
DTC DETECTING CONDITION:Immediately at fault recognitionSTEPCHECKYESNO1.CHECK DTC.Check for DTC. Read Diagnostic Trouble Code (DTC)Is P0072 or P0073 displayed in «Present fault»- Diagnostic Procedu ...

Other materials:

Removal
1. Disconnect the ground terminal from battery sensor. NOTE2. While pressing the shift lock release button, shift the select lever to the “N” range.3. Lift up the vehicle.4. Remove the center exhaust pipe. Center Exhaust Pipe > REMOVAL5. Remove the snap pin and washer.(A)Shifter arm(B) ...

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