RX7 2RTR-1308cc 1.3L MFI (1991)
Compressor Clutch Relay: Testing and Inspection
Turbo
A/C RELAY
A/C Relay Testing
1.
Disconnect relay connector and remove relay from vehicle.
2.
Check that there is no continuity between relay terminals "c" and "d."
3.
If not as specified, replace relay.
4.
If okay, proceed to next step.
5.
Apply 12V to terminal "b" and ground terminal "a."
6.
Check that continuity exists between terminals "c" and "d."
7.
If not as specified, replace relay.
A/C relay output voltage can be checked at ECU terminal 1L. With ignition and blower switches "ON," voltage should be below 2.5V. With A/C switch
"OFF," voltage should be approximately 12V.
CUT-OFF SYSTEM
A/C Cut-Off Control System
