Honda Civic/CRX/del Sol 1984-1995 Repair Guide

Air Conditioning Relay

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TESTING



1984-91 Models

See Figure 1

  1. Disconnect the negative battery cable.
  2.  
  3. Check that there is no continuity between terminals 3 or 4 or A or B.
  4.  
  5. Apply 12 volts between terminals 1 and 2 or C and D terminals.
  6.  
  7. Check that there is no continuity between terminals 3 or 4 or A or B.
  8.  
  9. If not as specified, replace the relay.
  10.  



Click image to see an enlarged view

Fig. Fig. 1: Testing climate control relays

1992-95 Models

See Figure 2

  1. Check that there is continuity between terminals C and D.
  2.  
  3. Check that there is continuity between terminals A and B when power and ground are connected to the C and D terminals.
  4.  
  5. There should be no continuity when power is disconnected.
  6.  
  7. If not as specified, replace the relay.
  8.  



Click image to see an enlarged view

Fig. Fig. 2: Testing climate control relays-1992-95

REMOVAL & INSTALLATION



  1. Disconnect negative battery cable.
  2.  
  3. Locate the relay and unplug the wire connectors.
  4.  
  5. If required, remove the attaching bolt and remove the relay.
  6.  
  7. To install, reverse the installation procedures.
  8.  

 
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