Taurus V6-182 3.0L VIN 1 FI Flex Fuel (1997)
Information Bus: Description and Operation
ISO 9141 Communication Link
ISO 9141 Communication Link
The ISO 9141 communication link:
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Consists of a single wire, Circuit 70 (LB/W).
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Provides a common link for communication to an off-board tester through the Data Link Connector (DLC) located under the instrument panel to
the right of the steering column.
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Does not allow module-to-module communications. The micro-processor based subsystems included on this network are:
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Anti-lock brake
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Supplemental air bag restraints
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Active anti-theft
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Keyless entry
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Windshield wiper
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Power locks and windows
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Power steering
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Interior lighting control
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Semi-automatic ride control
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Warning indicator control
Fault Tolerance
The ISO 9141 communication link will fail if any of the following occur:
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Circuit 70 (LB/W) shorted to ground.
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Circuit 70 (LB/W) shorted to battery positive voltage (B+).
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The module loses power or ground supply.
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A module failure shorts the ISO 9141 communication network internally.
Purpose
The information within this section is designed to diagnose ISO 9141 communication link concerns. These concerns may:
