Bendix Commercial Vehicle Systems EC-17 ANTILOCK TRACTION CONTROL4/10 - Manual (Page 22)

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SECTION V - TESTING FOR POWER TO THE EC-17 ™ CONTROLLER
VOLTAGE SAME AS BATTERY
VOLTAGE. MUST BE
BETWEEN 11 AND 17 VOLTS.
NO
YES
RECONNECT CONNECTOR TO EC-17 ™
CONTROLLER. CHECK THE VEHICLE
WIRING FOR CONTINUITY. REFER TO
THE VEHICLE SERVICE MANUAL AND
CHECK THE BATTERY VOLTAGE.
REPAIR OR REPLACE WIRING AS
NECESSARY AND RETEST.
REPEAT THE “INITIAL
START-UP PROCEDURE”
START HERE
TURN IGNITION OFF, DISCONNECT 30 PIN
CONNECTOR FROM EC-17 ™ CONTROLLER
REPLACE EC-17 ™
CONTROLLER
A1
A2
A3
K2
K3
30 PIN CONNECTOR
B1
TURN IGNITION ON AND MEASURE
VOLTAGE BETWEEN BATTERY PINS
B1, K2, K3 AND GROUND PINS A1, A2,
A3 ON WIRE HARNESS CONNECTOR
USING A LAMP (1157 STOP LAMP BULB)
PLACE A LOAD BETWEEN PINS B1 AND A1.
MEASURE THE VOLTAGE ACROSS THE TWO
BULB LEADS.
IS VOLTAGE 11 VOLTS OR
GREATER?
YES
NO
ELECTRICAL SYSTEM (WIRING,
CONNECTORS ETC.) MAY BE
LIMITING CURRENT FLOW
1157 STOP
LAMP BULB
TEST ACROSS BULB
LEADS AND READ 11
VOLTS OR MORE ON
VOLT/OHMMETER