Milan FWD L4-2.5L (2010)
Y2 CHECK THE DCSM VOLTAGE SUPPLY CIRCUITS FOR AN OPEN
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Ignition OFF.
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For vehicles with seat side air bags, carry out the following:
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Depower the SRS. Refer to Restraint Systems.
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Disconnect the driver seat side air bag module C3226.
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Connect the restraint system diagnostic tool (418-133) to the driver seat side air bag module C3226.
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Disconnect the passenger seat side air bag module C3227.
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Connect the restraint system diagnostic tool (418-133) to the passenger seat side air bag module C3227.
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Connect the negative battery cable.
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Disconnect: DCSM C3305a .
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Ignition ON.
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Measure the voltage between the DCSM C3305a-E, circuit SBB12 (GN/RD) harness side and ground; and between the DCSM C3305a-F, circuit
SBB12 (GN/RD) harness side and ground.
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Are the voltages greater than 10 volts?
Yes
GO to Y4.
No
VERIFY the Battery Junction Box (BJB) fuse 12 (30A) is OK. If OK, REPAIR the circuit in question. CLEAR the DTCs. REPEAT the network test
with the scan tool. If not OK, REFER to the Wiring Diagrams to identify the possible causes of the circuit short See: Diagrams/Electrical
Diagrams/Diagrams By Number.
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Y3 CHECK THE DCSM VOLTAGE SUPPLY CIRCUITS FOR AN OPEN
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Ignition OFF.
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Disconnect: DCSM C3305a .
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Ignition ON.
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Measure the voltage between the DCSM C3305a-E, circuit SBB12 (GN/RD) harness side and ground; and between the DCSM C3305a-F, circuit
SBB12 (GN/RD) harness side and ground.
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Are the voltages greater than 10 volts?
Yes
GO to Y4.
No
VERIFY the Battery Junction Box (BJB) fuse 12 (30A) is OK. If OK, REPAIR the circuit in question. CLEAR the DTCs. REPEAT the network test