Service Hints

A20 (A), A21 (B), A22 (C) ABS AND TRACTION ECU
(A) 3, (A) 9, (A)10, (C) 24-GROUND : Always continuity
(B) 6-GROUND : 10-14 Volts with traction cut SW released
(B)11-GROUND : 10-14 Volts with ignition SW at ON position
(B)16-GROUND : 10-14 Volts with stop light SW ON
(B) 4-GROUND : Continuity volts with parking brake lever pulled up (Parking brake SW ON)

A4 (A), A5 (B) [1][2]ABS ACTUATOR
(A) 1, (A) 2, (A) 4, (A) 5, (A) 6, (A) 7, (A) 8, (A) 9, (A)10, (A)11, (A)12-GROUND : Approx. 1.2 Ohms (Ignition SW OFF)
(B) 1-GROUND : Always continuity
(B) 5-GROUND : 4-6 Ohms (Ignition SW OFF)

S13 STOP LIGHT SW
2-1 : Closed with brake pedal depressed

A8, A9, A31, A32 ABS SPEED SENSOR FRONT LH, RH, REAR LH, RH
1-2 : 0.9-1.3 K Ohms (20° C, 68° F)

P4 PARKING BRAKE SW
1-GROUND : Closed with parking brake lever pulled up