Abs Control Relay Test

Disconnect ABS control relay connectors. Check for continuity (or resistance) between specified terminals. See appropriate ABS CONTROL RELAY TEST table. See Fig 1. If continuity or resistance is not as specified, replace control relay.

ABS CONTROL RELAY TEST (SOLENOID RELAY)

Terminals ⁽¹⁾

Specification

A1 & B3

80 Ohms

A5 & A6

Continuity

A2 & A5

No Continuity

A5 (+) & A4 (-)

⁽²⁾ Apply 12 Volts Between A1 & B3

A5 & A6

No Continuity

A2 & A5

Continuity

⁽¹⁾	See Fig 1.

⁽²⁾	Continuity in one direction (polarity), but not in both directions (circuit contains a diode).

ABS CONTROL RELAY TEST (PUMP MOTOR RELAY)

Terminals ⁽¹⁾

Specification

B3 & B4

62 Ohms

B1 & B2

No Continuity Apply 12 Volts Between B3 & B4

B1 & B2

Continuity

⁽¹⁾	See Fig 1.

Fig 1: Identifying ABS Control Relay Terminals