Subaru Legacy BN/BS (2015-2019) Service Manual: Electrical specification

Subaru Legacy BN/BS (2015-2019) Service Manual / Tire pressure monitoring system (diagnostics) / Control module i o signal / Electrical specification

Terminal No.	Content	Measured value and measuring conditions	Remarks
1	—	—	—
2	—	—	—
3	—	—	—
4	Ignition power supply	10 — 13 V (when the ignition switch is ON)	—
5	GND	0 V (always)	—
6	Battery power supply	10 — 13 V (always)	Without push button start system
7	—	—	—
8	—	—	—
9	—	—	—
10	—	—	—
11	Body integrated unit communication line	—	—
12	—	—	—

Wiring diagram

Refer to “Tire Pressure Monitoring System” in the wiring diagram. Tire Pressure Monitoring System > WIRING DIAGRAM ...

Diagnostic procedure with diagnostic trouble code (dtc)

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Other materials:

Removal
1. Disconnect the ground terminal from battery sensor. NOTE2. While pressing the section (A) shown in the figure, move the lock lever (B) in the direction of the arrow to disconnect the connectors from the ECM in numerical order as shown in the figure.3. Remove the ECM from the ECM bracket.4. Disco ...