Intake Air Temperature Sensor

INTAKE AIR TEMPERATURE (IAT) SENSOR RESISTANCE (EXCEPT B2300, B3000, B4000 & TRIBUTE)

Temperature - °F (°C)

Ohms

Mazda6 ⁽¹⁾

-4 (-20)

13,600-18,400

68 (20)

2210-2690

140 (60)

493-667

Miata

68 (20)

2210-2690

176 (80)

290-354

MPV ⁽²⁾

50 (10)

3300-4100

68 (20)

2200-2700

86 (30)

1400-1900

Protege

68 (20)

2000-2900

176 (80)

270-370

⁽¹⁾	Measure resistance between IAT sensor terminals "D" and "E". See Fig 1 .

⁽²⁾	Measure resistance between IAT/MAF sensor terminals "A" and "F". See Fig 3 .

Fig 1: Identifying IAT Sensor Terminals (Mazda6)

Courtesy of MAZDA MOTORS CORP.

Fig 2: Identifying IAT Sensor Terminals (Miata)

Courtesy of MAZDA MOTORS CORP.

Fig 3: Identifying IAT/MAF Sensor Terminals (MPV)

Courtesy of MAZDA MOTORS CORP.

Fig 4: Identifying IAT Sensor Terminals (Protege)

Courtesy of MAZDA MOTORS CORP.

INTAKE AIR TEMPERATURE (IAT) SENSOR SPECIFICATIONS (B2300, B3000, B4000 & TRIBUTE)

Temperature - °F (°C)

⁽¹⁾ PID Volts

⁽²⁾ Ohms

50 (10)

3.52

58,750

68 (20)

3.06

37,300

86 (30)

2.62

24,270

104 (40)

2.16

16,150

122 (50)

1.70

10,970

140 (60)

1.35

7700

158 (70)

1.04

5370

176 (80)

0.78

3840

194 (90

0.60

2800

212 (100

0.46

2070

230 (110

0.35

1550

248 (120)

0.27

1180

⁽¹⁾	Check sensor voltage using New Generation Star (49-T088-0A0) scan tool connected to Data Link Connector (DLC) 2. DLC is located under left side of instrument panel, right of steering column.

⁽²⁾	Measure resistance between IAT sensor terminals.

Fig 5: Identifying IAT/MAF Sensor Terminals (B2300, B3000, B4000 & Tribute)

Courtesy of MAZDA MOTORS CORP.