Troubleshooting, Controller – Bendix Commercial Vehicle Systems EC-14 ANTILOCK CONTROLLER 5/04 User Manual

Page 17

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17

Is voltage same as battery

voltage? Must be between

11 and 17 volts.

Turn ignition off, disconnect wire
harness connector from EC-14

controller

YES

1A & 2A

GROUND

TROUBLESHOOTING

SECTION V

TESTING FOR POWER TO THE EC-14

CONTROLLER

EC-14

Controller Wire

Harness Connector

1K, 2K

POWER

YES

Turn ignition off, reconnect wire harness to

EC-14

controller, turn ignition on

Turn ignition on and measure voltage between

power and ground pins on wire harness

connector:

1A to 1K.
1A to 2K.
2A to 1 K.
2A to 2 K.

Reconnect connector to EC-14

controller. Check the vehicle wiring

for continuity. Refer to the vehicle

service manual and check the

battery voltage. Repair or replace

as necessary and repeat the “Initial

Start-up Procedure.”

NO

Perform a magnetic reset by passing a magnet

over the “RESET” in EC-14

controller

diagnostic window then remove magnet

Replace the EC-14

controller. Repeat the

“Initial Start-up Procedure.”

Is green “VOLT” LED still flashing or red

“ECU” LED still on?

NO

Repeat the “Initial Start-up

Procedure.”

START HERE

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