- Answered by a verified Nissan Mechanic. The modified signal returns to the ECM as the engine coolant temperature input. I have a 2005 Nissan Pathfinder with a 4.0L V6 3 questions. The sensor modifies a voltage signal from the Engine Control Module . Labor costs are estimated between $57 and $73 while parts are priced between $24 and $33. 180K Miles I've traced the problem to the Engine Coolant Temperature sensor. 1987 Nissan Pathfinder E 4 Cyl 2.4L FI, Naturally Aspirated, Full Service Kit, Includes Sensor, Pigtail, Butt Connectors and Heat Shrink 1990 - 1995 Nissan Pathfinder SE 6 Cyl 3.0L 1990 - 1995 Nissan Pathfinder XE 6 Cyl 3.0L The sensor modifies a voltage signal from the Engine Control Module . P0125 2005 NISSAN PATHFINDER Description The Engine Coolant Temperature sensor is used to detect the engine coolant temperature. The sensor modifies a voltage signal from the Engine Control Module . Coolant Temperature Sensor Location. Where is the camshaft sensor located on a 2004 Nissan Pathfinder? We use cookies to give you the best possible experience on our website. Different brands and car manufacturers have different ways of placing the coolant temperature sensor depending on the car design. The sensor uses a thermistor which is sensitive to the change in temperature. The engine coolant temperature sensor is usually located on the engine block or cylinder head. Any CarIn this video we will demonstrate how to test coolant temperature sensor on any car. If I immediately try to restart it cranks but won't start. The video above shows you where the coolant reservoir, hoses and connections on your 2002 Pathfinder LE are located and the steps needed to fix minor leaks. When the car is warmed up and I shut it off. HOW TO TEST COOLANT TEMPERATURE SENSOR. 1993-2004 Nissan part # 25080-89907 - Engine Coolant Temperature Sender New to the forum and I've been having problems with my 2003 Nissan Pathfinder starting when it's warmed up. The modified signal returns to the ECM as the engine coolant temperature input. P0118 2005 NISSAN PATHFINDER Description The Engine Coolant Temperature sensor is used to detect the engine coolant temperature. It is often installed on a plastic hose on the coolants inlet. Coolant can leak from the reservoir or from the hoses, in 2002 Pathfinders with the 3.5 liter engine, coolant leaks are most likely to occur where the hoses connect to the engine. 1. where is the coolant temp sensor for the computer - Answered by a verified Auto Mechanic SOURCE: crankshaft sensor location The diagram shows it to be to the right of the oil fill cap down in the bellhousing when viewed from overhead,two wire connector.Looks like it might be right next to or under the motor grab hook..look for black/yellow and light green wire at connector..Good luck. The average cost for a Nissan Pathfinder engine coolant temperature sensor replacement is between $81 and $106. P0118 NISSAN Meaning The Engine Coolant Temperature sensor is used to detect the engine coolant temperature. The modified signal returns to the ECM as the engine coolant temperature input. ... 1999 nissan pathfinder: air charge temperature sensor located.