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Electrical Specification

WARNING: This page is about a different car, the 2019 Subaru Ascent. However, it is still accessible from the selected car via links, so may be relevant.
G13203450Courtesy of SUBARU OF AMERICA, INC.
Terminal No. Contents Measuring condition Standard
(i122) No. 1 (+) ↔ Chassis ground (-) Front camera GND Always 0 V
(i122) No. 2 (+) ↔ Chassis ground (-) Front camera image (-) Ignition switch ON When connected: 1.5 V or less When not connected: Battery voltage
(i122) No. 3 (+) ↔ Chassis ground (-) Front camera image (+) Ignition switch ON When connected: Waveform
(i122) No. 4 (+) ↔ Chassis ground (-) Power supply for front camera image Ignition switch ON 6 V ±0.5 V
(i122) No. 5 - - -
(i122) No. 6 - - -
(i122) No. 7 - - -
(i122) No. 8 - - -
(i122) No. 9 - - -
(i122) No. 10 - - -
(i122) No. 11 - - -
(i122) No. 12 U-ART communication - -
(i122) No. 13 - - -
(i122) No. 14 - - -
(i122) No. 15 MFD SW + When the battery is connected MFD SW UP: 0 - 0.42 V
MFD SW ENTER: 0.42 - 1.3 V MFD SW DOWN: 1.3 - 2.52 V
KEY OFF: 2.52 - 3.3 V
(i122) No. 16 MFD SW -
(i122) No. 17 - - -
(i122) No. 18 - - -
(i122) No. 19 CAN H - -
(i122) No. 20 CAN-L - -
(i122) No. 21 (+) ↔ Chassis ground (-) GND Always 0 V
(i122) No. 22 - - -
(i122) No. 23 (+) ↔ Chassis ground (-) Ignition power supply Ignition switch ON Battery voltage
(i122) No. 24 (+) ↔ Chassis ground (-) Battery power supply When the battery is connected Battery voltage