Mazda 6 manuals

Mazda 6 Service Manual: Intake air temperature (iat) sensor inspection

Mazda 6 Service Manual / Fuel and emission control systems / Control system / Intake air temperature (iat) sensor inspection

Resistance Inspection

Note

1. Disconnect MAF/IAT sensor.

2. Measure the resistance between the MAF/IAT sensor terminals D and E using an ohmmeter.


Specification


Circuit Open/Short Inspection

1. Disconnect the PCM connector. (See PCM REMOVAL/INSTALLATION.)


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

Open circuit

- MAF/IAT sensor terminal D (harness-side) and PCM terminal 2E (harness-side)

- MAF/IAT sensor terminal E (harness-side) and PCM terminal 2H (harness-side)

Short circuit

- MAF/IAT sensor terminal E (harness-side) and power supply

- MAF/IAT sensor terminal D (harness-side) and power supply

- MAF/IAT sensor terminal D (harness-side) and body GND

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