Engine Coolant Temperature Sensor

1. Check resistance between engine coolant temperature sensor terminals 1 and 2 as shown in the figure. Refer to , "COMPONENT ".
   Fig 1: Checking Resistance Between Engine Coolant Temperature Sensor Terminals 1 And 2

   Courtesy of NISSAN NORTH AMERICA, INC.

   <Reference data> 

   Engine coolant temperature [°C (°F)]	Resistance (kΩ)
   20 (68)	2.10 - 2.90
   50 (122)	0.68 - 1.00
   90 (194)	0.236 - 0.260

2. If NG, replace engine coolant temperature sensor. Refer to , "COMPONENT ".

Fig 2: Resistance And Temperature Graph

Courtesy of NISSAN NORTH AMERICA, INC.