mazda Workshop Repair Guides

Mazda MX-3 Workshop Service and Repair Manuals

ABS Control Unit <--> [Electronic Brake Control Module] > < Brake Fluid Pump|Testing and Inspection
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Brake Fluid Pump Relay: Testing and Inspection

Fig. 69  ABS Fail Safe Relay Terminal Identification

    When testing ABS Motor relay refer to Fig. 69 for terminal identification of ABS connector.

1.

Measure resistance between terminals E and H or between A and H of relay box connector, resistance should be between 50-90 ohms.

2.

Check between terminals B and F, continuity should not exist.

3.

Apply 12 Volts to terminals G and H. When applying voltage connect battery positive to terminal H. Check between terminals B and F,
continuity should exist.

4.

If relay is not as specified, replace.

ABS Control Unit <--> [Electronic Brake Control Module] > < Brake Fluid Pump|Testing and Inspection