MKZ AWD V6-3.5L (2008)
D4-D5
Test E: The 4X4 Control Module Does Not Respond To The Scan Tool
PINPOINT TEST E: THE 4X4 CONTROL MODULE DOES NOT RESPOND TO THE SCAN TOOL
Normal Operation
The 4X4 control module communicates with the scan tool through the high speed controller area network (HS-CAN). Circuits VDB04 (WH/BU)
(HS-CAN +) and VDB05 (WH) (HS-CAN -) provide the network connection to the 4X4 control module. Voltage to the 4X4 control module is
supplied by circuits CBP19 (BN/WH) and SBP15 (WH/RD). Ground is supplied by circuit GD126 (BK/WH).
The 4X4 control module shares the HS-CAN with the following modules:
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ABS module
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Accessory protocol interface module (APIM) (if equipped)
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Instrument cluster (IC)
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Occupant classification system module (OCSM)
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PCM
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Restraints control module (RCM)
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Transmission control module (TCM) (if equipped)