Auto Headlight Beam Leveler Control Module

Fig 1: Auto Headlight Beam Leveler Control Module Connector End View

Courtesy of SUBARU OF AMERICA, INC.

Terminal No.	Content	Measuring condition	Standard
1 ←→ Chassis ground	Ignition power supply	Ignition switch ON	8 - 16 V
2 ←→ Chassis ground	GND	Always	Less than 1 Ω
3 ←→ Chassis ground	Rr vehicle height sensor GND	Always	Less than 1 Ω
4	-	-	-
5	-	-	-
6	-	-	-
7	-	-	-
8	-	-	-
9	-	-	-
10 ←→ Chassis ground	Leveling actuator power supply	Ignition switch ON	8 - 16 V
11 ←→ Chassis ground	Leveling actuator GND	Always	Less than 1 Ω
12 ←→ 3	Rr vehicle height sensor power supply	Ignition switch ON	4.75 - 5.25 V
13	-	-	-
14	-	-	-
15	-	-	-
16	-	-	-
17 ←→ Chassis ground	Leveling actuator signal	Headlight off → on	Less than 1 V → 1.0 - 14.4 V (for 17 seconds)
17 ←→ Chassis ground	Leveling actuator signal	Headlight on, no vehicle height change → change and hold vehicle height for 3 seconds or more	Less than 1 V → 1.0 - 14.4 V (for 17 seconds)
18	-	-	-
19 ←→ Chassis ground	Rr sensor signal	IG ON (with no passenger, no load and vehicle stopped)	Approx. 2.5 V (changes according to vehicle condition)
20	-	-	-
21	-	-	-
22	-	-	-
23	CAN-H	Cannot be measured (CAN communication line)	-
24	CAN-L	Cannot be measured (CAN communication line)	-