Bendix Commercial Vehicle Systems ACom Diagnostics V.5.9 - Manual (Page 15)

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Tractor
Confi g 4S/4M 6S/4M 6S/6M
Left Str X X X
Right Str X X X
Left Drv X X X
Right Drv X X X
Left Add X
Right Add X
Additional components supported under the modulators
are ATC valve if the ECU supports ATC, and hill start
solenoid if the ECU supports Hill Start Aid (HSA).
Figure 46
Indicator Lamp Test
The indicator lamps are testable. During the lamp test,
the desired lamp will be turned on and off. The user will
be asked to verify that the selected lamp behaved in
the described manner. Lamps listed will be based on
the ECU model and confi guration, including Hill Start
Aid if enabled on EC-60
™ ECU Only.
Figure 47
Switch Test
The purpose of a given switch test is to determine if the
circuit for that switch is operational. Once the test has
begun, the user will be prompted to toggle the given
switch to a requested position and verify the status of
the switch. Switch tests listed will be based on ECU
model and confi guration, including Hill Start Aid if
enabled on EC-60
™ ECU Only.
Figure 48
Sensor Test
The purpose of the sensor test is to determine if the
sensor gap is correct by outputting voltage. Once
the test has begun, the user will be prompted by the
instructions on how to perform the test. A particular
wheel will need to be spun, the tool will provide the
MPH reading, the user will need to press start/next,
the instructions will state test complete, and fi nally the
program asks the user to acknowledge whether or not
the ECU responded correctly.
Figure 49