BENDIX SD-13-4788 Instrukcja Użytkownika Pobierz pdf (Strona 15)

2. If the vehicle is to be conﬁ gured with traction control, it

must have a traction control dash lamp and a traction

control enable/disable switch. Both the lamp and switch

must be functional.

3. Turn the ignition ON, toggle the traction control enable/

disable switch back and forth then hold a magnet

on the RESET position of the EC-17

™

controller

diagnostic display until the LEDs begin to ﬂ ash then

remove the magnet. If the magnet is not removed

during the LED ﬂ ashing a second self conﬁ guration

may be initiated. The magnet may have to be held on

the RESET for as long as 20 seconds. When the self

conﬁ guration process is complete the EC-17

™

controller

will automatically go through a self test. During the

self test the diagnostic display will indicate the new

conﬁ guration as described under the section entitled

EC-17

™

Controller Conﬁ guration Display. Note: If the

EC-17

™

controller is being conﬁ gured with traction

control (either torque limiting, differential braking or

both), the traction control condition dash lamp, will

be illuminated as well as the appropriate LEDs on the

EC-17

™

controller diagnostic display. The traction

control dash lamp will be illuminated until the traction

control enable/disable switch is placed in the traction

control enabled position (traction control operative).

4. Place the traction control enable/disable switch in

the traction control enabled position (traction control

operative), the traction control dash lamp should be off.

5. Before placing the vehicle in service, verify the

configuration and the system condition by turning

the ignition OFF then ON while observing the EC-

™

controller diagnostic display. The diagnostic

display should indicate the desired conﬁ guration as

described under the section entitled EC-17

™

Controller

Conﬁ guration Display and no red LEDs should be

illuminated at the end of the self test.

6. If the conﬁ guration appears correct but the diagnostic

LEDs indicate a failure somewhere in the system, refer

to the General Conﬁ guration Information section and

use the Troubleshooting section of this manual to locate

and repair the diagnostic trouble code.

7. If the conﬁ guration is incorrect, the process can be

repeated as required. One common error is performing

the self conﬁ guration without toggling the traction

control enable/disable switch. This will prevent any

traction features from being activated. Note: The

traction switch must be toggled to conﬁ gure traction,

but must be placed in the enable position to allow the

traction lamp to ﬂ ash.

TROUBLESHOOTING

IMPORTANT BEFORE TROUBLESHOOTING:

1. Determine if the vehicle is equipped with traction

control. The presence of a traction condition lamp on

the dash can be used.

2. Some vehicles are equipped with a traction control

“disabling switch.” If so equipped, ENABLE THE

TRACTION SYSTEM BEFORE BEGINNING THE

TROUBLESHOOTING. THE TRACTION CONTROL

MUST BE DISABLED FOR DYNAMIC TESTING.

3. If the vehicle is equipped with traction control and is a

tandem axle unit, note the number of drive axles. The

“MID” diagnostic LED is used only on 6x4 vehicles.

GENERAL

While the EC-17

™

controller diagnostic display locates a

speciﬁ c diagnostic trouble code area, it is still necessary to

conﬁ rm whether the problem may reside in the component

itself or the wiring. The following troubleshooting procedure

is devoted to narrowing the diagnostic trouble code to either

the wiring or a speciﬁ c antilock or traction component. It

should be noted that ALL TROUBLESHOOTING BEGINS

BY OBSERVING THE ANTILOCK AND TRACTION

CONDITION LAMPS ON THE DASH. All troubleshooting

should begin by first performing the “Initial Start up

Procedure” and following the directions contained in it.

TROUBLESHOOTING TIPS

1. Begin by observing the dash condition lamp(s) and

performing the “Initial Start Up Procedure.”

2. The troubleshooting technician should record all ﬁ ndings

and the action taken during the troubleshooting process.

3. No voltage or resistance tests are performed into the

EC-17

™

controller. All voltage and resistance tests

are performed by beginning at the wire harness half

of the connector and moving AWAY from the EC-17

™

controller toward an antilock traction system component

(modulator, wheel speed sensor, etc.)

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