DTC P0070-15: Ambient Temperature Sensor Circuit Short to Battery or Open [11/2021 - ]: Procedure
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- READ VALUE USING GTS (AMBIENT TEMPERATURE SENSOR)
- Read the Data List according to the display on the GTS.
Body Electrical > Air Conditioner > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note Ambient Temperature Sensor Ambient temp. sensor (thermistor assembly) -327.68 to 327.67°C Actual ambient temperature displayed Ambient temp. sensor (thermistor assembly) circuit malfunction Body Electrical > Air Conditioner > Data List
Tester Display Ambient Temperature Sensor OK
The display is as specified in the normal condition column.
Result
Proceed to OK NG
Result:
OK
REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Refer to REMOVAL [11/2021 - ]
Result:
NG
See step 2
- Read the Data List according to the display on the GTS.
- INSPECT AMBIENT TEMP. SENSOR (THERMISTOR ASSEMBLY)
Refer to INSPECTION [11/2021 - ]
Result
Proceed to OK NG Result:
NG
REPLACE AMBIENT TEMP. SENSOR (THERMISTOR ASSEMBLY). Refer to REMOVAL [11/2021 - ]
Result:
OK
See step 3
- CHECK HARNESS AND CONNECTOR (AIR CONDITIONING AMPLIFIER ASSEMBLY - AMBIENT TEMP. SENSOR (THERMISTOR ASSEMBLY))
- Disconnect the A14 ambient temp. sensor (thermistor assembly) connector.
- Disconnect the D53 air conditioning amplifier assembly connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition A14-2 - D53-1 (TAM) Always Below 1 Ω A14-1 - D53-14 (SG-2) Always Below 1 Ω - Measure the voltage according to the value(s) in the table below.
Standard Voltage
Tester Connection Condition Specified Condition D53-1 (TAM) - Body ground Ignition switch ON Below 1 V D53-14 (SG-2) - Body ground Ignition switch ON Below 1 V Result
Proceed to OK NG
Result:
OK
REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Refer to REMOVAL [11/2021 - ]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR