Subject	I seem to remember reading in the FSM that the TCA
Posted by	JMartz on January 02, 2014 at 3:03 PM
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In Reply To	slight correction posted by aliaZ on January 02, 2014 at 01:24 PM
Message	sends a voltage signal to the ECU. I did hunt that pin down and connected it to ground using a DVM. The voltage did go up but less than 12VDC. Been a while so I don't remember excatly the value. Every time the clutch cycled off and the a/c stopped cooling, the line went hot. Using a digital thermometer this occured at 44F. No wonder cooling is poor. I did notice the lower price of the XTerra TCA. The Z32 is $120 (minus shipping). Is it possible that the grounding function is a modern feature? I have no idea how the XTerra controls its a/c, and I am still puzzled why, the Z32 involves the ECU when the a/c has its own "box".
Follow Ups	Evaporator Freeze control 1994-96 cars. - JMartz 09:21:33 01/02/14 slight correction - aliaZ 13:24:46 01/02/14 I seem to remember reading in the FSM that the TCA - JMartz 15:03:48 01/02/14 no offense, but you remember incorrectly - aliaZ 16:03:23 01/02/14 No argument here. Just want my car to cool. (n/m) - JMartz 16:06:30 01/02/14 Dealer cost for replacing the TCA. - JMartz 08:53:34 01/03/14 that is crazy - aliaZ 11:13:56 01/03/14 ^^^--I agree - 1bad300t.t. 15:22:22 01/03/14
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