<?xml version="1.0"?>
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<servinfo
releasenbr="1"
update="original"
id="k861136784f241c4b3b05e65147cc27e"
><title
>B1471-CHANNEL 4 AUDIO SPEAKER OUTPUT CIRCUIT HIGH</title><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></item><item
><ptxt
>With the ignition on.</ptxt></item><item
><ptxt
><emph
>Set Condition:</emph></ptxt></item><item
><ptxt
>The amplifier detects a short to battery condition on the output circuit.</ptxt></item></list1><table
><tgroup
xmlns:fo="http://www.w3.org/1999/XSL/Format"
xmlns:saxon="http://icl.com/saxon"
border-width.conditionality="retain"
font-size="7pt"
width="100%"
border-collapse="collapse-with-precedence"
table-omit-header-at-break="false"
border-width="1pt"
border-color="black"
border-style="solid"
space-after="6pt"
table-layout="fixed"
><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
>(X208) AMPLIFIED RIGHT FRONT SPEAKER (+) CIRCUIT SHORT TO VOLTAGE</ptxt></entry></row><row
><entry
valign="top"
align="left"
><ptxt
>(X298) AMPLIFIED RIGHT FRONT SPEAKER (-) CIRCUIT SHORT TO VOLTAGE</ptxt></entry></row><row
><entry
valign="top"
align="left"
><ptxt
>AMPLIFIER</ptxt></entry></row></tbody></tgroup></table></spec></condition></diagnostic><diagnostic
type="test"
id="o9b5af6069e94fa5a45b4bb2691a7b21"
><?STEP 1------------------------------------------------------------------------------------------------------------------------------------------------------------------------------?><testgrp
id="j0b4db9eb7d74893a608265aebc705d1"
><title
>Diagnostic Test</title><spec
><ptxt
><testno><emph>1.</emph></testno> <emph
>CHECK FOR AN INTERMITTENT CONDITION</emph></ptxt></spec><test1
><ptxt
>Turn the ignition on, then off, and then on again.</ptxt></test1><test1
><ptxt
>With the scan tool, read Amplifier DTCs.</ptxt></test1><question
>Does the scan tool display active: B1471-CHANNEL 4 AUDIO SPEAKER OUTPUT CIRCUIT HIGH?</question><result
>Yes</result><action
><list1
><item
><ptxt
>Go To <intxref
refid="edd4c4f5f5704b68a1650265f73cf5e7"
>2</intxref></ptxt></item></list1></action><result
>No</result><action
><list1
><item
><ptxt
>The condition that caused this symptom is currently not present. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced,
pinched, and partially broken wires. Also, inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals. Repair as necessary.</ptxt></item><item
><ptxt
>Perform the 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 2------------------------------------------------------------------------------------------------------------------------------------------------------------------------------?><testgrp
id="edd4c4f5f5704b68a1650265f73cf5e7"
><spec
><ptxt
><testno><emph>2.</emph></testno> <emph
>CHECK FOR VOLTAGE ON THE (X208) AMPLIFIED RIGHT FRONT SPEAKER (+) CIRCUIT</emph></ptxt></spec><figure
figtype="1-column-portrait-no-fig-id"
id="d9d0a81a526b43beb2301359ec3140ba"
><graphic
graphicname="7a033ba6"
></graphic></figure><test1
><ptxt
>Turn the ignition off.</ptxt></test1><test1
><ptxt
>Disconnect the Amplifier C1 harness connector.</ptxt></test1><test1
><ptxt
>Disconnect the Amplified Right Front Speaker harness connector.</ptxt></test1><test1
><ptxt
>Turn the ignition on.</ptxt></test1><test1
><ptxt
>Measure for voltage on the (X208) Amplified Right Front Speaker (+) circuit.</ptxt></test1><question
>Is the voltage above 10.0 volts?</question><result
>Yes</result><action
><list1
><item
><ptxt
>Repair the (X208) Amplified Right Front Speaker (+) circuit for a short to voltage.</ptxt></item><item
><ptxt
>Perform the BODY VERIFICATION TEST - VER 1. <extxref
document="SOFTLINK"
extrefid="0857000360"
>(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)</extxref></ptxt></item></list1></action><result
>No</result><action
><list1
><item
><ptxt
>Go To <intxref
refid="if746b42a9544600afaa0d63bcad7eef"
>3</intxref><symbol
name="SKIP"
></symbol></ptxt></item></list1></action></testgrp><?STEP 3------------------------------------------------------------------------------------------------------------------------------------------------------------------------------?><testgrp
id="if746b42a9544600afaa0d63bcad7eef"
><spec
><ptxt
><testno><emph>3.</emph></testno> <emph
>CHECK FOR VOLTAGE ON THE (X298) AMPLIFIED RIGHT FRONT SPEAKER (-) CIRCUIT</emph></ptxt></spec><figure
figtype="1-column-portrait-no-fig-id"
id="d09e998b49554f03bf8cb2bb8e7abe5a"
><graphic
graphicname="7a033ba7"
></graphic></figure><test1
><ptxt
>Measure for voltage on the (X298) Amplified Right Front Speaker (-) circuit.</ptxt></test1><question
>Is the voltage above 10.0 volts?</question><result
>Yes</result><action
><list1
><item
><ptxt
>Repair the (X298) Amplified Right Front Speaker (-) circuit for a short to voltage.</ptxt></item><item
><ptxt
>Perform the BODY VERIFICATION TEST - VER 1. <extxref
document="SOFTLINK"
extrefid="0857000360"
>(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)</extxref></ptxt></item></list1></action><result
>No</result><action
><list1
><item
><ptxt
>Replace the amplifier in accordance with the service information.</ptxt></item><item
><ptxt
>Perform the 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></diagnostic></servinfo>