LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Subaru >> 2023 >> Ascent Base >> Repair and Diagnosis (Single Page) >> Body & Frame >> Mirrors >> Door Mirror (Diagnostics) >> Control Module I/O Signal >> Electrical Specification >> Outer Mirror Control Module RH
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Outer Mirror Control Module RH

G16447504Courtesy of SUBARU OF AMERICA, INC.
Terminal No. Contents Measuring condition Standard Note
(D171) No. 1 ←→ Chassis ground - - - -
(D171) No. 2 ←→ Chassis ground Memory sensor power supply Always 5.0 V -
(D171) No. 3 ←→ Chassis ground Memory sensor input (horizontal) Always 0 -5.0 V Changes when the right side mirror surface is operated in the left/right direction Left direction (inward): 0 V - Right direction (outward): 5.0 V
(D171) No. 4 ←→ Chassis ground Memory sensor input (vertical) Always 0 -5.0 V Changes when the mirror surface is operated in the up/down direction
Up direction: 0 V - Down direction: 5.0 V
(D171) No. 5 ←→ Chassis ground - - - -
(D171) No. 6 ←→ Chassis ground GND Always 1 Ω or less -
(D171) No. 7 ←→ Chassis ground CAN communication Hi - Cannot be measured -
(D171) No. 8 ←→ Chassis ground CAN communication Low - Cannot be measured -
(D171) No. 9 ←→ Chassis ground - - - -
(D171) No. 10 ←→ Chassis ground Mirror surface motor output (vertical) When the mirror surface is operated (up) 1.0 V or less -
When the mirror surface is operated (down) (+B voltage) -0.6 V or more -
When the mirror surface is operated (right) 10 kΩ or more -
When the mirror surface is operated (left) 10 kΩ or more -
(D171) No. 11 ←→ Chassis ground Mirror surface motor output (horizontal) When the mirror surface is operated (up) 10 kΩ or more -
When the mirror surface is operated (down) 10 kΩ or more -
When the mirror surface is operated (right) 1.0 V or less -
When the mirror surface is operated (left) (+B voltage) -0.6 V or more -
(D171) No. 12 ←→ Chassis ground Mirror surface motor output (common) When the mirror surface is operated (up) (+B voltage) -0.6 V or more -
When the mirror surface is operated (down) 1.0 V or less -
When the mirror surface is operated (right) (+B voltage) -0.6 V or more -
When the mirror surface is operated (left) 1.0 V or less -
(D171) No. 13 ←→ Chassis ground - - - -
(D171) No. 14 ←→ Chassis ground - - - -
(D171) No. 15 ←→ Chassis ground - - - -
(D171) No. 16 ←→ Chassis ground - - - -
(D171) No. 17 ←→ Chassis ground Memory sensor GND Always 1 Ω or less -
(D171) No. 18 ←→ Chassis ground ECM power supply Always 9.0 - 16 V -
(D171) No. 19 ←→ Chassis ground IGN SW input IG ON 9.0 - 16 V -
(D171) No. 20 ←→ Chassis ground ACC SW input ACC ON 9.0 - 16 V -
(D171) No. 21 ←→ Chassis ground - - - -
(D171) No. 22 ←→ Chassis ground Heater output Defogger ON (+B voltage) -0.8 V or more -
(D171) No. 23 ←→ Chassis ground Electric retraction motor output (-) During the extension operation by the electric retraction system (+B voltage) -1.1 V or more -
During the retracting operation by the electric retraction system 0.9 V or less -
(D171) No. 24 ←→ Chassis ground Electric retraction motor output (+) During the extension operation by the electric retraction system 0.9 V or less -
During the retracting operation by the electric retraction system (+B voltage) -1.1 V or more -