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Home >> Nissan-Datsun >> 2004 >> Altima S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 999 (Heater & Air Conditioning Control System) >> With Monochrome Display >> Component Diagnosis >> B257B, B257C Ambient Sensor >> Component Inspection

Component Inspection

WARNING: This page is about a different car, the 2009 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK AMBIENT SENSOR
  1. Turn ignition switch OFF.
  2. Disconnect ambient sensor connector.
  3. Check resistance between ambient sensor terminals.
TERMINAL RESISTANCE CHART

Terminal Condition Resistance kΩ
Temperature °C (°F)
1 2 -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

Is the inspection result normal? 

YES: Inspection End.

NO: Replace ambient sensor. Refer to "REMOVAL AND INSTALLATION ".