A/C Does Not Cut Off Under Wide Open Throttle Conditions - Mazda B-Series 1997 Workshop Manual

TROUBLESHOOTlNG GUIDE
FT
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AIC DOES NOT CUT OFF UNDER WIDE OPEN THROTTLE CONDITIONS
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DESCRIPTION
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N C compressor magnetic clutch does not disengage under wide open throttle
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STEP
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INSPECTION
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ACTlOhl
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Remove the wide open throttle
NC
cutout relay.
Is voltage at terminal (R) of the wide open throttle
N C cutout relay connector greater than 10.5 volts
with the ignition switch ON?
Yes GO to next step
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2
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Refer to the 1997 B-series BETlW to check the wide
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Yes Go to next steo
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No
open throttle N C cutout relay.
Is the wide open throttle A/C cutout relay OK?
F - F p ~ c e
wide bpen throttle NC
Go to step 4
Repair wide open throttle N C c:utout power circuit
Go to step 4
Is voltage at WAC test pin 69 ( P N ) correct?
=
page FT-167,173,179
Yes
No
Check wiring harness between wide open throttle N C
cutout relay and PCM for open or short circuit
Go to next step
Replace PCM
=
page FT-164
Go lo next step
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4
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Verify test results. If OK, return to diagnostic index to service any additional symptoms
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MF4083-E 6BUOFT-035