Trouble Codes - Check Engine Light

[fiveofakind]

I have a '96 Q45 - the check engine light is on. I took the car to a local gas station & it was hook up to an OBD II diagnostic scan tool.

Trouble codes are as follows:

P0115 - ECT circuit malfunctionP0125B - Insul coolant temp circuit malfunction

Can someone steer me in the right direction for correcting these problems. Car seems to run fine otherwise.

Jeff

[Q451990]

Both are coolant temp. sensor code failures. I'd first check the sensor connection and it's harness for corrosion. You can download the service manual for your car at http://www.nissan-techinfo.com/infiniti/ for $19.99 (one day viewing subscription) - just have plenty of time and a good high speed connection. Grab the TSBs while you're there.

Heath

[fiveofakind]

Q451990 - thank you for your response. I will take your suggestion & d/l TSB's from website & troubleshoot from there.

Thanks again,

Jeff