Racelogic USER GUIDE Manual do Utilizador descarregar pdf (Página 12)

RACELOGIC Traction Control Manual V3.0

Page 12

1.5.2 Locating Sensor Wires

The wires can be found using a number of methods.

• Twisted Pairs and 2 core wire – The sensor wires will be fed back to the controller

and are normally then identified as a twisted pair or 2 core cable.

• Wiring Diagrams - If you have a wiring diagram of the vehicle, trace each of the

sensor wires to the ABS unit, the wiring diagram will normally indicate colour

codes. If you have books such as the “Autodata - Anti Lock Braking Systems”

series these can help in identifying the wiring. (Contact Racelogic if you do not

have one).

• Multimeter Resistance Setting – Switch a meter to “Resistance” and test each of

the wires leading to the ABS unit, Diagram 8. Ensure the connector is plugged in

when you are doing this. Wheel speed sensors will generally have a resistance of

between 800 – 1.2 K ohms.

Diagram 8 Testing for wheel speed sensors

Having completed the test, write down the wiring colours corresponding to each

wheel speed in the table below.

ABS Wheel Speed Inputs

ABS Wire (Pin No) ABS Wire (Colour)

Ω

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 66 67

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