Toyota 3 Wire Coolant Temperature Sensor Wiring Diagram
The end result is a nice clean install with no clutter. 1 wire or 2 wire to three wire coolant temp sensor conversion info i came across this problem with my my05 lgt swap that the coolant temp sensor is two wire and only gives the ecu the temp and then the gauge cluster gets it s temp info via the can system from the ecu.
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Connector joining wire harness and wire harness.
Toyota 3 wire coolant temperature sensor wiring diagram. Indicates a shielded cable. New t stat ect sensor coolant temp gauge still stays in the cold size. Disconnect the engine coolant temperature sensor connector.
In this video i show what sender sensor to use for your ls swap to run your gauge without a separate sender. Coolant temp input to ecm sensor signal c green coolant temp input for cluster mounted temp gauge. Wire colors are indicated by an alphabetical code.
3 wire ect diagram. Hard to tell the difference from the original 2 wire sensor. 800 x 600 px source.
3 wire ect sensor pn 12551708 and connector pn 12102748. The 2 pin wetherpack is the ecm s side and the 1 pin is for the gauge cluster. Nevada 545 said the coolant temp sender for the gauge has one wire dark green.
Ia1 gray europe ia2 gray general ib1 green ib2 green ic1 gray ic2 ie1 ig1 in1 yellow. Y yellow blue red pink orange. This method uses a sender from a 1998 camaro o.
Here i have made up a harness and plugged it into the 3 wire sensor. Reconnect the engine coolant temperature sensor connector. Indicates the wiring color.
That one is in the left cylinder head between the first two spark plus the coolant temp sensor for the pcm has two wires and is located near the thermostat we haven t heard from the bambino since november. If it does not check the fuses cooling fan relays ecm and cooling fan and then check for an open circuit between the cooling fan relay and engine coolant temperature sensor. The first letter indicates the basic wire color and the second letter indicates the color of the stripe.
If this is your first visit be sure to check out the faq by clicking the link above. Indicates the pin number of the. 3c indicates that it is inside junction block no 3.
This is the new 3 wire unit showing the connector and the plug for it. Check that the cooling fan rotates. Also see for hilux.
Or you are a pupil or maybe even you that simply want to know about engine coolant temperature sensor wiring. Owner s manual 540 pages manual 540. Toyota hilux electrical wiring diagram.
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