Unknown Sensor
1 Attachment(s)
Hey everybody, I found a broken wire on the driver side engine harness. I found the wire goes to a sensor that is located in the middle of the engine right above the oil pan. It's a single wire green/black in color with a spade style connector. What sensor is this so I can buy a replacement?
Attachment 626112 |
oil level sensor i think.
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1 Attachment(s)
Originally Posted by SirCygnus
(Post 11906387)
oil level sensor i think.
Sensor side of the wire is green/black where as the engine harness wire is red/black. Also the red/black engine harness wire goes into the loom with a red/white wire that goes to the sensor directly to the right of the broken wire sensor if that helps: Attachment 626110 |
The wire colors for the connector shown are Black/Red and Black/Green. The stripe color comes second and the primary color comes first in the wire color designation. Oil level sensor is Red/White. The sub zero sensor has a B/R wire to it but the wiring diagram makes no mention of the B/G wire, though. A continuity test on the B/R wire found at the sub zero motor would tell if this is it. And the motor has two wires which are both B/R so you would have to check both and if one rings out then it goes to the sub zero sensor.
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Originally Posted by satch
(Post 11906462)
The wire colors for the connector shown are Black/Red and Black/Green. The stripe color comes second and the primary color comes first in the wire color designation. Oil level sensor is Red/White. The sub zero sensor has a B/R wire to it but the wiring diagram makes no mention of the B/G wire, though. A continuity test on the B/R wire found at the sub zero motor would tell if this is it. And the motor has two wires which are both B/R so you would have to check both and if one rings out then it goes to the sub zero sensor.
Why would there be a subzero sensor down by the oil pan? To take a rough estimated temperature of the oil at start-up? If I no longer have the subzero motor, then chances are I don't need this sensor either, which means I don't need to worry about replacing it and keeping it connected... The car still runs fine as it is. |
OK nevermind, finally found a REALLY old thread that explained what it is. And it is for the subzero system, it does nothing at all what so ever and is not needed. Even Mazda recremended deleting it... Thanks for all the help guys!
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There are B/G wires in the car it's just that the 88 diagram does not indicate one for the sub zero sensor but that doesn't mean the same stands for 86 or 87 cars. I also noticed you never stated your year, and the S4 cars only had the sub zero start, so it could depend on whether you have an 86, for example, which could help explain why the wire colors differ from the 88 wiring diagram. Again, a continuity test would prove whether the wire is for that sensor or not. And the reason for that particular sensor location is exactly as you postulated, for the system needs to know the correct temp to either activate it or not.
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Originally Posted by satch
(Post 11906493)
There are B/G wires in the car it's just that the 88 diagram does not indicate one for the sub zero sensor but that doesn't mean the same stands for 86 or 87 cars. I also noticed you never stated your year, and the S4 cars only had the sub zero start, so it could depend on whether you have an 86, for example, which could help explain why the wire colors differ from the 88 wiring diagram. Again, a continuity test would prove whether the wire is for that sensor or not. And the reason for that particular sensor location is exactly as you postulated, for the system needs to know the correct temp to either activate it or not.
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