BENDIX SD-13-4788 Manual de usuario descargar pdf (Pagina 14)

EC-17

™

CONTROLLER SELF CONFIGURING

PROCESS

Important General Information:

1. Three aspects of the antilock and traction system are

inﬂ uenced by the self conﬁ guring feature of the EC-17

™

controller.

A. Speed Sensors: The number of speed sensors

connected to the EC-17

™

controller will be detected

during the self conﬁ guration process. The EC-17

™

controller will check the MID SEN (mid axle speed

sensor) locations on its connector to determine if

a sensor is connected to it and will default to a six

sensor conﬁ guration if it detects even one sensor

connected. If mid axle speed sensors are not

detected, the EC-17

™

controller will default to a four

sensor conﬁ guration. (Two front and two rear)

B. Electronic Engine Control: On units manufactured

prior to mid-year 2000, if the EC-17

™

controller is

connected to the control module of an electronic

engine, the torque limiting and differential braking

feature of ATC will be activated when the traction

enable/disable switch is toggled prior to self

conﬁ guration. After mid-year 2000, the electronic

engine must transmit the throttle position via the

J1922 or J1939 serial link for ATC to be activated

during wheel spin.

C. Antilock Traction Relay Valve: If the solenoid

assembly in the ATR

™

valve is connected to the

EC-17

™

controller, the differential braking feature

of traction control will be activated during the self

conﬁ guring process.

D. Traction Disable Switch: The traction disable

switch must be toggled prior the self conﬁ guration

process.

2. No method is available to disable the self conﬁ guration

feature.

3. Due to the extended period of time the magnet must

be held on the RESET to initiate the self conﬁ guration

process (20 seconds), it is unlikely that a self

conﬁ guration would occur accidentally.

4. Basic, four speed sensor, antilock operation can not be

removed during the self conﬁ guration process. This is

a minimum conﬁ guration for all EC-17

™

controllers.

5. If a speed sensor is connected to either wheel on the

mid axle, the EC-17

™

controllers will conﬁ gure for six

sensors. If no mid axle speed sensor is detected, the

EC-17

™

controller will conﬁ gure for four sensors. Any

disconnected speed sensor(s) will register as a failure

on the diagnostic display at the end of the EC-17

™

controller self test.

6. All or part of traction control can be lost during self

conﬁ guration by;

A. Not connecting one of the wire harnesses (engine

control module for torque limiting and ATR

™

valve

solenoid for differential braking).

B. A missing or inoperative traction control enable

disable switch.

C. Not toggling the traction control enable/disable

switch in the “traction enabled” after power up,

but prior to the self conﬁ guration. The operator

can tell that the traction features are lost by noting

the absence of the traction lamp ﬂ ash upon power

up. The operator should note the ﬂ ashing of the

antilock condition lamp, and the traction lamp if

traction equipped, upon every power up. Observing

the dash lamps is one method the operator has to

verify the system operation.

7. The EC-17

™

controller can be reprogrammed up to

10,000 times.

8. When a replacement EC-17

™

controller is installed

on a vehicle that does not have one or more of the

preprogrammed features, a failure will be registered

on the dash lamp(s) and on the EC-17

™

controller

diagnostic display. For this reason it is necessary to

perform the self conﬁ guring procedure.

9. Some configuration information is available by

observing the reaction of the dash condition lamps on

vehicles conﬁ gured with traction control and equipped

with the self conﬁ guring EC-17

™

controller. When the

ignition is switched ON, the EC-17

™

controller self test

is begun. During the self test the dash lamps will ﬂ ash

on and off together as indicated in the chart, depending

upon the type and amount of traction control conﬁ gured

into the EC-17

™

controller. Note: For more information

on this subject see the TROUBLESHOOTING section

of this document.

Self Conﬁ guration Process

In order to successfully complete the self conﬁ guring

process follow the steps presented.

1. Connect all antilock and traction control wire harnesses.

Refer to the schematic in Figure 5. Make certain that

all the speed sensors present on the vehicle are

connected (H2, H3, J1, J2 on the 30 pin connector

and E2, E3, F2, F3, B2, B3, C2, C3 on the 18 pin

connector). If the vehicle has an electronic engine

and traction control torque limiting is desired the

engine control module must be connected (B2 and

B3 on the 30 pin connector for J1922 or C3, D2,

and D3 on the 30 pin connector for J1939). If the

vehicle is equipped with either an ATR-1

™

or ATR-2

™

valve, the solenoid connection must be made to the

EC-17

™

controller (D2 and D3 on the 18 pin connector)

in order to obtain traction control differential braking.

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BENDIX SD-13-4788 Manual de usuario Pagina 14

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