Bendix Commercial Vehicle Systems EC-14 ANTILOCK CONTROLLER 5/04 - Manual (Page 16)

16
Go to Section V
“Testing for Power
to the EC-14 ™
controller”
If any other red LEDs are
illuminated, replace the EC-14 ™
controller and repeat the “Initial
Start-up Procedure”
Is red “MOD” LED
illuminated?
Is this LED illuminated?
NO (OFF)
Is red “SENS” LED
illuminated?
YES
Note red “ECU” LED in
EC-14 ™ controller
diagnostics window
Is the red “RIGHT” or
“LEFT” LED illuminated?
See Note 1 below
Is the red “RIGHT” or
“LEFT” LED illuminated?
SEE NOTE 1
SEE NOTE 1
TESTING
“MOD” LED
SEE NOTE 1
SEE NOTE 1
TESTING
“SENS” LED
CHECK
“ECU” LED
NO
Is the red “FRONT” or
“REAR” LED illuminated?
See Note 1 below
Is the red “FRONT” or
“REAR” LED illuminated?
See Note 1 below
NO
YES
“REAR” LED
“FRONT” LED
Go to Section VII
“Testing the Rear
Modulator”
ON?
ON?
ON?
YES
TROUBLESHOOTING
SECTION IV
INSPECTION FOR ILLUMINATED LEDs
NO
NO
YES (ON)
YES
YES
Go to Section VI
“Testing the Front
Modulator”
Replace EC-14 ™
controller.
Repeat the “Initial
Start-up Procedure.”
Replace EC-14 ™
controller.
Repeat the “Initial
Start-up Procedure.”
NO
Replace the EC-14 ™
controller and repeat the
“Initial Start-up
Procedure”
NO
YES
Note the three
illuminated LEDs and
go to Section VIII
“Testing the Wheel
Speed Sensor”
1. If both of these LEDs are illuminated, replace the EC-14 ™ controller.
NOTE
START HERE