Navigator 4WD V8-5.4L (2010)
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Is the resistance less than 5 ohms?
Yes
REPAIR the circuit. CONNECT all modules. CONNECT the negative battery cable. CLEAR the DTCs. REPEAT the network test with the scan tool.
No
CONNECT the negative battery cable. GO to Y34.
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Y19 CHECK THE HS-CAN (+) AND HS-CAN (-) CIRCUITS FOR A SHORT TO GROUND WITH THE PCM DISCONNECTED
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Disconnect: PCM C175b.
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Measure the resistance between the DLC C251-6, circuit VDB04 (WH/BU), harness side and ground; and between the DLC C251-14, circuit
VDB05 (WH), harness side and ground.
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Is the resistance less than 5 ohms?
Yes
CONNECT the negative battery cable. GO to Y27.
No
If the vehicle is equipped with a Vehicle Dynamics Module (VDM), GO to Y20.
If the vehicle is not equipped with a VDM, GO to Y21.
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Y20 CHECK THE HS-CAN (+) AND HS-CAN (-) CIRCUITS FOR A SHORT TO GROUND WITH THE VDM DISCONNECTED
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Disconnect: VDM C2131a.
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Measure the resistance between the DLC C251-6, circuit VDB04 (WH/BU), harness side and ground; and between the DLC C251-14, circuit
VDB05 (WH), harness side and ground.
-
Is the resistance less than 5 ohms?
Yes
CONNECT the negative battery cable. GO to Y28.
No
