Bendix Commercial Vehicle Systems EC-16 ANTILOCK CONTROLLER 4/08 - Manual (Page 26)

26
SECTION VIII - TESTING FOR FALSE INDICATION CAUSED BY DASH LIGHT RELAY
IS CONTINUITY DETECTED?
REPAIR OR REPLACE WIRE HARNESS,
RECONNECT EC-16 ™ CONTROLLER
WIRE HARNESS AND REPEAT THE
“INITIAL START-UP PROCEDURE”
NO
YES
CHECK DASH WIRING AND CONNECTORS,
AND CONSULT THE VEHICLE MANUAL FOR
TROUBLE SHOOTING INFORMATION. REPAIR
OR REPLACE AS NECESSARY AND REPEAT
THE “INITIAL START-UP
PROCEDURE”
YES
CONNECT THE OPPOSITE END OF
RELAY COIL TO VEHICLE GROUND
AND NOTE REACTION OF DASH
LAMP.
START HERE
ARE ALL LEDs ILLUMINATED?
NO
REPLACE THE EC-16 ™
CONTROLLER
YES
WITH IGNITION ON, HOLD MAGNET
ON EC-16 ™ CONTROLLER RESET AND
NOTE ALL LEDs ILLUMINATED.
RECONNECT THE 30 PIN
CONNECTOR TO THE EC-16 ™
CONTROLLER, TURN IGNITION ON
AND CHECK FOR VEHICLE POWER
AT THE LAMP RELAY COIL.
YES
NO
IS POWER DETECTED?
REPLACE THE RELAY AND
REPEAT “INITIAL START-UP
PROCEDURE”
IS DASH LAMP ON?
SECOND TIME
TO THIS POINT?
NO NO
YES
REPLACE THE EC-16 ™
CONTROLLER
AND RETEST.
REPEAT “INITIAL
START-UP
PROCEDURE”
EC-16 ™
Controller
AntiLock
Dash Lamp
Vehicle
Power
E3
from 30 pin
connector
AntiLock Dash
Lamp Relay
Wiring
Relay
EC-16 ™
Controller
AntiLock
Dash Lamp
Ground this
terminal or wire
on relay
AntiLock Dash
Lamp Relay
Wiring
Coil
Relay
Vehicle
Power
Here
1
2
3
K J H G F E D C B A
E3 TO DASH
LAMP RELAY
30 PIN CONNECTOR
REMOVE MAGNET FROM EC-16 ™ CONTROLLER,
TURN IGNITION OFF AND DISCONNECT THE 30 PIN
CONNECTOR FROM EC-16 ™ CONTROLLER. CHECK
CONTINUITY OF WARNING LAMP WIRE BETWEEN
PIN E3, ON THE 30 PIN CONNECTOR AND THE
TERMINAL ON THE LAMP RELAY