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:

Installation
CAUTION:• For parts which are not reusable, always use new parts.• Always tighten the bushing in the state where the vehicle is at curb weight and the wheels are in full contact with the ground.1. Before installation, inspect the following items and replace any faulty part with a new one ...