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<servinfo
releasenbr="1"
update="original"
id="lb64b6763b6f4dcba6bb2836cb3b730d"
><title
>U1418-IMPLAUSIBLE RIGHT WHEEL DISTANCE SIGNAL RECEIVED</title><figure
figtype="2-column-portrait-no-fig-id"
id="f3c5ff4eba9e4e2895f9a72cfae8040e"
><graphic
graphicname="7a03392b"
></graphic></figure><para
><ptxt
>For a complete wiring diagram <emph
>Refer to Section 8W</emph>.</ptxt></para><diagnostic
type="condition"
><condition
><spec
><list1
><item
><ptxt
><emph
>When Monitored:</emph></ptxt><para
><ptxt
>Ignition on.</ptxt></para></item><item
><ptxt
><emph
>Set Condition:</emph></ptxt><para
><ptxt
>The PCM gets an implausible signal over the CAN C circuit from the ABS Module. The circuit is continuously monitored. One Trip fault.</ptxt></para></item></list1><table
><tgroup
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border-style="solid"
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><table-column
column-number="1"
column-width="proportional-column-width(396)"
></table-column><thead
><row
><entry
valign="bottom"
align="center"
><ptxt
><emph
>Possible Causes</emph></ptxt></entry></row></thead><tbody
><row
><entry
valign="top"
align="left"
><ptxt
>VEHICLE SPEED SENSOR FAULT ACTIVE IN ANTI-LOCK BRAKE MODULE</ptxt></entry></row><row
><entry
valign="top"
align="left"
><ptxt
>CAN C BUS CIRCUIT SHORTED</ptxt></entry></row><row
><entry
valign="top"
align="left"
><ptxt
>CAN C BUS CIRCUIT OPEN</ptxt></entry></row><row
><entry
valign="top"
align="left"
><ptxt
>ABS MODULE</ptxt></entry></row><row
><entry
valign="top"
align="left"
><ptxt
>PCM</ptxt></entry></row></tbody></tgroup></table></spec><para
><ptxt
><emph
>Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. <extxref
document="SOFTLINK"
extrefid="0900000030"
>(Refer to 9 - ENGINE - DIAGNOSIS AND TESTING)</extxref>.</emph></ptxt></para></condition></diagnostic><diagnostic
type="condition"
><title
>Theory of Operation</title><condition
><para
><ptxt
>The ABS Module sends an implausible distance signal over the CAN C Bus circuit to the PCM.</ptxt></para></condition></diagnostic><diagnostic
type="test"
><?STEP 1------------------------------------------------------------------------------------------------------------------------------------------------------------------------------?><testgrp
><title
>Diagnostic Test</title><spec
><ptxt
><testno><emph>1.</emph></testno> <emph
>ACTIVE DTC</emph></ptxt></spec><test1
><ptxt
>Ignition on, engine not running.</ptxt></test1><test1
><ptxt
>With a scan tool, select View DTCs.</ptxt></test1><question
>Is the U1418-IMPLAUSIBLE RIGHT WHEEL DISTANCE SIGNAL RECEIVED active at this time?</question><result
>Yes</result><action
><list1
><item
><ptxt
>Go To <intxref
refid="c0a88cb3831a40beadb7c7bc47ac4f00"
>2</intxref> </ptxt></item></list1></action><result
>No</result><action
><list1
><item
><ptxt
>Refer to the INTERMITTENT CONDITION Diagnostic Procedure. <symbol
name="skip"
></symbol></ptxt></item></list1></action></testgrp><?STEP 2------------------------------------------------------------------------------------------------------------------------------------------------------------------------------?><testgrp
id="c0a88cb3831a40beadb7c7bc47ac4f00"
><spec
><ptxt
><testno><emph>2.</emph></testno> <emph
>ABS MODULE IS ACTIVE ON THE CAN C BUS</emph></ptxt></spec><test1
><ptxt
>With the scan tool, select ECU View.</ptxt></test1><test1
><ptxt
>Verify that the ABS Module active on the bus.</ptxt></test1><question
>Is the ABS Module active on the bus?</question><result
>Yes</result><action
><list1
><item
><ptxt
>Go To <intxref
refid="j7a556bc7f2a4eb88c90ce6e45a59137"
>3</intxref></ptxt></item></list1></action><result
>No</result><action
><list1
><item
><ptxt
>(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING) for No Response diagnostic procedures.</ptxt></item><item
><ptxt
>Perform BODY VERIFICATION TEST – VER 1. <extxref
document="SOFTLINK"
extrefid="0857000360"
>(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)</extxref><symbol
name="skip"
></symbol></ptxt></item></list1></action></testgrp><?STEP 3------------------------------------------------------------------------------------------------------------------------------------------------------------------------------?><testgrp
id="j7a556bc7f2a4eb88c90ce6e45a59137"
><spec
><ptxt
><testno><emph>3.</emph></testno> <emph
>DTCS STORED OR ACTIVE IN THE ABS MODULE</emph></ptxt></spec><test1
><ptxt
>Check for DTCs in the ABS Module.</ptxt></test1><question
>Are any DTCs active or stored in the ABS Module?</question><result
>Yes</result><action
><list1
><item
><ptxt
>Refer to section 5 - BRAKES - ABS ELECTRICAL DIAGNOSTICS and perform the diagnostics for the DTCs in the ABS Module.</ptxt></item><item
><ptxt
>Perform ABS VERIFICATION TEST – VER 1</ptxt></item></list1></action><result
>No</result><action
><list1
><item
><ptxt
>Go to <intxref
refid="n5381ff57f324dac9a88e5be01f69917"
>4</intxref><symbol
name="skip"
></symbol></ptxt></item></list1></action></testgrp><?STEP 4------------------------------------------------------------------------------------------------------------------------------------------------------------------------------?><testgrp
id="n5381ff57f324dac9a88e5be01f69917"
><spec
><ptxt
><testno><emph>4.</emph></testno> <emph
>ACTIVE DTCS IN THE TIPM</emph></ptxt></spec><test1
><ptxt
>With the scan tool, select ECU View and select TIPM.</ptxt></test1><test1
><ptxt
>With the scan tool, read active DTCs.</ptxt></test1><question
>Are any Communication DTCs active in the TIPM relating to the ABS System?</question><result
>Yes</result><action
><list1
><item
><ptxt
>Replace the ABS Module per Service Information.</ptxt></item><item
><ptxt
>Perform the POWERTRAIN VERIFICATION TEST. <extxref
document="SOFTLINK"
extrefid="0900000360"
>(Refer to 9 - ENGINE - STANDARD PROCEDURE)</extxref></ptxt></item></list1></action><result
>No</result><action
><list1
><item
><ptxt
>Replace and program the Powertrain Control Module per Service Information.</ptxt></item><item
><ptxt
>Perform the POWERTRAIN VERIFICATION TEST. <extxref
document="SOFTLINK"
extrefid="0900000360"
>(Refer to 9 - ENGINE - STANDARD PROCEDURE)</extxref><symbol
name="SKIP"
></symbol></ptxt></item></list1></action></testgrp></diagnostic></servinfo>