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Home >> Infiniti >> 2004 >> QX56 RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1228 (Automatic Air Conditioner) >> Trouble Diagnosis >> Ambient Sensor Circuit >> Component Inspection >> Ambient Sensor

Ambient Sensor

WARNING: This page is about a different car, the 2005 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.

After disconnecting ambient sensor connector E1, measure resistance between terminals 1 and 2 at sensor component side, using the table below.

COMPONENT INSPECTION - AMBIENT SENSOR

Temperature °C (°F) Resistance kΩ
-15 (5) 12.73
-10 (14) 9.92
-5 (23) 7.80
0 (32) 6.19
5 (41) 4.95
10 (50) 3.99
15 (59) 3.24
20 (68) 2.65
25 (77) 2.19
30 (86) 1.81
35 (95) 1.51
40 (104) 1.27
45 (113) 1.07

If NG, replace ambient sensor.

Fig 1: Measuring Resistance Between Terminals 1 And 2 Of Ambient Sensor
G02385663Courtesy of NISSAN MOTOR CO., U.S.A.