Meritor WABCO
Vehicle Control Systems
3331 West Big Beaver Road, Suite 300
Troy, MI 48084 USA
800-535-5560
meritorwabco.com
Information contained in this publication was in effect at the time the publication was approved for
printing and is subject to change without notice or liability. Meritor WABCO reserves the right to revise
the information presented or discontinue the production of parts described at any time.
Copyright 2002 TP-0139
ArvinMeritor, Inc. Revised 01-02
All Rights Reserved Printed in the USA 16579/24240
5. Send the Blink Code J1922 engine torque
reduction command, as follows:
A. Step on the accelerator. Bring the engine
to 1000 RPM. Leave your foot on the
accelerator during the entire test.
B. While the engine is at 1000 RPM, press the
blink code switch twice, as follows:
O
Press and hold for one second.
O
Release for one second.
O
Press and hold for one second.
O
Release for one second.
The engine will alternate between 1000 RPM
and idle indefinitely. Click the Stop button on
the TOOLBOX™ screen. This stops the test
and returns the RPM to accelerator control.
NOTE:
To retest, begin at Step 4.
6. Click the Close button to exit the screen.
7. Take your foot off the accelerator. Turn the
ignition OFF.
Engine torque reduction command verified.
Using the Pro-Link for J1922
Datalink Verification
1. With the Pro-Link connected to the vehicle,
turn ignition ON.
A. Press the ABS blink code switch — hold for
3 seconds. The ATC lamp will come on and
stay on for the entire test. If vehicle is not
equipped with ATC, the ATC lamp will not
come on.
B. ABS lamp will come on and blink eight
times. If the lamp does not blink eight
times, there are faults that must be cleared
before
you continue with this test. The
eight quick flashes will be followed by the
system identification code. This indicates
the ECU is in the Datalink Verification
mode. The system identification code will
continue during the entire test.
2. Select the Pro-Link Engine Datalink choice,
as follows:
A. Press the arrow key(s) to find the
Component Test choice.
B. Press the Enter key to enter Component
Test.
C. Press the arrow key(s) to find the Engine
Datalink choice.
3. Prepare the Pro-Link Engine Datalink
command, as follows:
A. Press the Enter key once to enter the first
stage of the Datalink setup. The Pro-Link
screen will display the following message:
“run engine 1000 RPM/engine torque will
change during test/[ENTER] to continue.”
B.
DO NOT
press Enter at this time.
4. Prepare the Blink Code J1922 Engine Datalink
command, as follows:
A. Step on the accelerator.
B. Bring the engine to 1000 RPM. Leave your
foot on the accelerator during the entire test.
C. While engine is at 1000 RPM, press the
blink code switch twice, as follows:
O
Press and hold for one second.
O
Release for one second.
O
Press and hold for one second.
O
Release for one second.
This mode remains active for 10 seconds,
which means you must start Step 5 within
10 seconds.
5. Send the Pro-Link J1922 engine torque
reduction, as follows:
Press the Enter key on the Pro-Link. The
engine will alternate between 1000 RPM and
idle for approximately 10 seconds, then return
to 1000 RPM.
NOTE:
To repeat the test, start with Step 3.
6. Take your foot off the accelerator. Turn ignition
OFF.
Engine torque reduction command verified.
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