169
Troubleshooting
Condition
Experienced
Action to Take
Troubleshooting Detail
s
Integrated
Speed
Switch
Function Will
Not Activate
Cycle trailer power.
ECU valve should audibly click during its power-
up self-test. ABS warning light will illuminate and
extinguish as a light test. If warning light remains on,
begin diagnostics with TOOLBOX PLUS™ Software. If
the ECU fails to click, ensure that the sensor extension
cables are securely attached to the ECU.
Ensure that Door Ajar system is
connected correctly.
Refer to Figures 9.30 and 9.31 for correct installation.
Verify the correct cable is used.
Ensure that Door Ajar Cable, P/N 449 827 XXX 0 is
used.
Check the Door Ajar Cable
connection at ECU.
Check if Door Ajar Cable, P/N 449 827 XXX 0 is
connected at GIO port 1. Refer to Figures 9.30 and
9.31 for correct installation
Make sure that cable is fully seated and secured at
GIO port 1.
Retrieve diagnostic information
via TOOLBOX PLUS™
Software.
Check for active faults with TOOLBOX PLUS™
Software and repair all faults found.
Door Ajar
is not
Functioning
Ensure that Door Ajar function
is activated.
From the main screen of Trailer ABS diagnostics,
select the Modify pull-down. Select GIO con
fi
gurations
and active settings will be displayed. If it is not
activated then follow the procedures to activate the
function.
Check the plumbing and
electrical connections.
Refer to Figures 9.30 and 9.31 for correct installation.
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Страница 148: ...148 Troubleshooting Fig 9 9 4017182a...
Страница 149: ...149 Troubleshooting Fig 9 10 4017180a...
Страница 150: ...150 Troubleshooting Fig 9 11 4017173a...
Страница 156: ...156 Troubleshooting Fig 9 15 4017183a...
Страница 157: ...157 Troubleshooting Fig 9 16 4017187a Fig 9 17 4012475b 3 2 SOLENOID VALVE CABLE P N 472 170 997 0 1 2...
Страница 174: ...174 Troubleshooting Fig 9 35 4017186a...
Страница 187: ...187 Notes Notes...