Subject	Testing Coolant Temperature Sensor Circuit
Posted by	njz on March 14, 2011 at 8:07 AM
	This message has been viewed 1368 times.
In Reply To	What I ended up doing was disconnect the coolant posted by Worm Boy on March 13, 2011 at 10:05 PM
Message	1. Unplug Coolant Temp Connector 2. Unplug ECU Connector 3. Unplug TPS connector 4. Set meter to 10-200 ohms 5. Place Red lead to pin 28 of the ECU connector 6. Place Black lead to pin 30 of the ECU connector You should see an open condition (go to 7) 7. Keep Red lead on pin 28 and place the Black lead to a body ground You should see an open condition. Repeat the same for pin 30 8. Test Continuity between pin 30 and TPS (black wire) Continuity = YES Loop Test (Short) 9. Place Red lead to pin 28 of the ECU connector 10. Place Black lead to pin 30 of the ECU connector Place Jumper across Temp sensor connector pins Continuity = YES
Follow Ups	I'm trying to figure out my problem with my coolant temp. - Worm Boy 18:32:53 03/13/11 Re: I'm trying to figure out my problem with my coolant temp. - njz 19:19:06 03/13/11 What I ended up doing was disconnect the coolant - Worm Boy 22:05:45 03/13/11 Testing Coolant Temperature Sensor Circuit - njz 08:07:03 03/14/11 Ok, what I did prior to writing this, was place red lead - Worm Boy 01:27:58 03/15/11 I meant to say towards the end that I still need to - Worm Boy 01:33:51 03/15/11 I Don't know where your coming up with Pin 60? - njz 08:15:01 03/15/11 Ok, it makes sense. I'm getting pin 60 from this ECU pic - Worm Boy 00:21:51 03/16/11 Your Curcuit is Grounded, find it. - njz 20:16:16 03/16/11
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