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Pickup Mighty Max 1 Ton
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Engine Controls - Self-Diagnostics
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Checking Input & Output Signals At ECM Using Scan Tool (3.0L)
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Data Display 28 & 49: A/C Switch & Power Relay
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Data Display 28 & 49: A/C Switch & Power Relay
NOTE:
Diagnostic procedure is the same for 2.4L and 3.0L. See
Figure
and
Figure
.