Milan FWD L4-2.5L (2010)
This pinpoint test is intended to diagnose the following:
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DC/DC B+ cable mounting
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B+ cable fuse (200A)
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12-volt battery cables
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Wiring, terminals or connectors
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DC/DC
PINPOINT TEST J: DTC U3003:62
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J1 CHECK THE PCM MODULE SUPPLY VOLTAGE (VPWR) PID
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Measure and record the voltage of the battery.
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Connect the scan tool.
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Enter the following diagnostic mode on the scan tool: DataLogger - PCM.
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Monitor the VPWR PID.
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Does the VPWR PID match battery voltage?
Yes
GO to J2.
No
CARRY OUT a self-test of the PCM. RECORD any DTCs and REFER to Computers and Control Systems Information.
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J2 CHECK THE B+ CABLE
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Measure the voltage between DC/DC C1457B, circuit SDC02 (RD), and DC/DC C1457C, circuit GD108 (BK/VT), harness side.
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Does the DC/DC voltage match battery voltage?
Yes
GO to J3.
No
VERIFY the B+ cable fuse (200A) is OK. If OK, REPAIR the affected circuit(s). If not OK, REFER to the Wiring Diagrams to identify the possible
causes of the circuit short See: Diagrams/Electrical Diagrams/Diagrams By Number. CLEAR the DTC. REPEAT the self-test. TEST the system for