Mariner 2WD L4-2.3L VIN Z (2005)
E1-E2
Normal Operation
The parking aid module communicates with the diagnostic tool through the ISO 9141 communication network circuit 70 (LB/WH). If circuit 70
(LB/WH) becomes open or shorted to ground, communication to that module is not possible. Check circuit 70 (LB/WH) between the parking aid
module C4014 and the data link connector (DLC) C251. Total resistance values must not be more than 5 ohms. If the resistance is more than 5 ohms,
there is an open in circuit 70 (LB/WH), damage to the DLC C251, damage to the parking aid module C4014, or a problem in an in-line connector.
Possible Causes
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ISO 9141 communication network circuit 70 (LB/WH) open
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DLC C251
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C4014
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parking aid module
Test F: No International Standards Organization (ISO) 9141 Communication Network
Communication
PINPOINT TEST F: NO INTERNATIONAL STANDARDS ORGANIZATION (ISO) 9141 COMMUNICATION NETWORK
COMMUNICATION