mazda Workshop Repair Guides

Mazda Workshop Service and Repair Manuals

Compressor Control (A/C Relay Signal) Inspection|Page 4448 > < Compressor Control (A/C Relay Signal) Inspection|Page 4446
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Step 3

A/C relay connector terminal voltage inspection

1.  Remove the A/C relay.
2.  Turn the ignition switch ON and press the AUTO switch ON.

3.  Measure voltage at terminal wires (R) and (R/W) of the A/C relay connector in the relay box.

Step 4

A/C relay inspection
1.  Remove the A/C relay.

2.  Connect battery positive voltage to the terminal b and ground the terminal c of the relay.

3.  Check continuity between terminals a and b of the relay.

Step 5

A/C relay operation inspection

Compressor Control (A/C Relay Signal) Inspection|Page 4448 > < Compressor Control (A/C Relay Signal) Inspection|Page 4446