RAB Control Module

Courtesy of SUBARU OF AMERICA, INC.

Terminal No.	Contents	Measuring condition	Standard
(L81) No. 1 ←→ Chassis ground	Ignition power supply	Ignition switch ON	Battery voltage
(L81) No. 2 ←→ Chassis ground	GND	Always	Must be continuity to chassis ground.
(L81) No. 3	-	-	-
(L81) No. 4	-	-	-
(L81) No. 5	(H)_Advanced security CAN H	Ignition switch ON	Pulse (2.5 V or 3.5 V)
(L81) No. 6	-	-	-
(L81) No. 7	-	-	-
(L81) No. 8	Sonar sensor communication line (left corner -)	Ignition switch ON	-
(L81) No. 9	Sonar sensor communication line (right inner -)	Ignition switch ON	-
(L81) No. 10	-	-	-
(L81) No. 11	Sonar sensor communication line (left inner +)	Ignition switch ON	-
(L81) No. 12	Sonar sensor communication line (right corner +)	Ignition switch ON	-
(L81) No. 13 ←→ Chassis ground	Battery power supply	Always	Battery voltage
(L81) No. 14	-	-	-
(L81) No. 15	-	-	-
(L81) No. 16	-	-	-
(L81) No. 17	-	-	-
(L81) No. 18	(H)_Advanced security CAN L	Ignition switch ON	Pulse (1.5 V or 2.5 V)
(L81) No. 19	-	-	-
(L81) No. 20	-	-	-
(L81) No. 21	Sonar sensor communication line (left inner -)	Ignition switch ON	-
(L81) No. 22	Sonar sensor communication line (right corner -)	Ignition switch ON	-
(L81) No. 23	Sonar sensor communication line (left corner +)	Ignition switch ON	-
(L81) No. 24	Sonar sensor communication line (right inner +)	Ignition switch ON	-