Mountaineer AWD V8-4.6L SOHC VIN W (2002)
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Turn ignition to "ON" position, engine off.
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With one lead of voltmeter connected to known good ground, check pins 32 and 33 on bottom PCM connector as shown on Figure 1.
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If measured power supply is lower than battery voltage by 1 volt or more, diagnose and repair power supply circuit.
e.
If PCM power and ground are within specification, perform PCM Quick Test to confirm communication status with PCM.
f.
PCM should be replaced only under the following conditions:
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PCM power supply and ground is within specification, and
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Symptoms of both no-crank and dashes in odometer display continues, and
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Quick Test confirms no-communication with PCM
3.
CUSTOMER COMPLAINT DUPLICATED - NO-CRANK AND NORMAL ODOMETER DISPLAY
Assure good battery charge condition.
a.
Perform PCM Quick Test:
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If PATS DTC's exist, go to PATS diagnostic in Explorer/Mountaineer/Aviator Workshop Manual Section 419-01.
b.
Perform starting system circuit test:
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Remove bottom PCM connector (C175A-Explorer/Mountaineer, C175B-Aviator) from PCM.