Operation CHARM: Car repair manuals for everyone.
Home >> Mazda >> 2006 >> 6 V6-3.0L DOHC >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Air Temperature Sensor ( Ambient / Intake ) >> Testing and Inspection
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Air Temperature Sensor ( Ambient / Intake ): Testing and Inspection

INTAKE AIR TEMPERATURE (IAT) SENSOR INSPECTION [AJ]

NOTE: Perform the following inspection only when directed.

Resistance Inspection

1. Disconnect the negative battery cable,
2. Disconnect the MAF/IAT sensor connector.
3. Measure the resistance between the MAF/IAT sensor terminals D and E using an ohmmeter.




- If the IAT sensor is okay, but the PID value is out of specification, perform the "Circuit Open/ Short Inspection".
- If not as specified, replace the MAF/IAT sensor.

Circuit Open/Short Inspection

1. Disconnect the PCM connector.




2. Inspect the following harnesses for open or short circuit. (Continuity check)

Open circuit
- MAF/IAT sensor terminal D and PCM terminal 1AT
- MAF/IAT sensor terminal E and PCM terminal 1BH

Short circuit
- MAF/IAT sensor terminal D and power supply
- MAF/IAT sensor terminal D and body ground
- MAF/IAT sensor terminal E and power supply
pro multis · About Operation CHARM