Service manual

Group 59 Anti-Lock Brake System (Bendix) Design and Function

Electrical

Fuses

The ABS circuit is fused through a 30–amp fuse on the

main fuse panel which is located behind the fuse panel

cover. The power to operate the ABS comes from the

ignition. The ABS Warning Lamp Relay (R3) is also pow-

ered through this same 30–amp fuse.

(For connection details, refer to “ABS System Diagram,

VOLVO Engine” page 75 or “ABS System Diagram,

Vendor Engine” page 76.)

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Relays

When the ignition key is switched to ON, the ignition bus

supplies power to the ABS ECU. Power is also supplied

to the ABS Warning Lamp Relay (R3) from the ignition

bus.

(For connection details, refer to “ABS System Diagram,

VOLVO Engine” page 75 or “ABS System Diagram,

Vendor Engine” page 76.)

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Wiring

The wiring for the ABS is incorporated into the main cab

and chassis wiring harnesses. Refer to the Electrical

Schematics manual for further information on routing

and location of ABS wiring.

(For connection details, refer to “ABS System Diagram,

VOLVO Engine” page 75 or “ABS System Diagram,

Vendor Engine” page 76.)

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