Mazda MX-6 1998, Workshop Manual

Page: 191 / 1282

TROUBLESHOOTING [ENGINE CONTROL FS]
25
A/C DOES NOT CUT OFF UNDER WIDE OPEN THROTTLE CONDITIONS
DESCRIPTION
A/C compressor magnetic clutch does not disengage under wide open throttle
POSSIBLE
CAUSE
• Throttle position (TP) sensor malfunction
• Throttle position (TP) sensor misadjustment
• Throttle position (TP) sensor loosely installed
STEP
INSPECTION
ACTION
1
Does A/C turn off when A/C switch is turned
off?
Yes
Go to next step.
No Go to flowchart 24 for “A/C ALWAYS ON/A/C
COMPRESSOR RUNS CONTINUOUSLY”.
2 Retrieve and record any continuous memory,
KOEO and KOER DTCs.
Are there any DTCs displayed?
Yes Go to appropriate DTC test.
No Check TP sensor for proper adjustment.
Readjust TP sensor as necessary.
3
Verify test results. If okay, return to diagnostic index to service any additional symptoms.
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