Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Navigation Unit Or Audio (7-Inch Display)
2016 Subaru Legacy 2.5iSECTION Navigation Unit Or Audio (7-Inch Display)
Fig 1: Navigation Unit Or Audio Control Module I/O Signal Connector Terminal Identification (7-Inch Display)
- Power supply and speaker output terminal
Terminal No. Contents Measuring condition Measurement value Note (i35) or (i85) No. 1 FRONT-RH (+) - - - (i35) or (i85) No. 2 FRONT-LH (+) - - - (i35) or (i85) No. 3 ←→ Chassis ground ACC ACC ON 11 - 15 V - (i35) or (i85) No. 4 ←→ Chassis ground +B Always 11 - 15 V - (i35) or (i85) No. 5 FRONT-RH (-) - - - (i35) or (i85) No. 6 FRONT-LH (-) - - - (i35) or (i85) No. 7 ←→ Chassis ground GND Always 0 V - (i35) or (i85) No. 8 ANTENNA-ON - - - (i35) or (i85) No. 9 N.C. - - - (i35) or (i85) No. 10 ILLUMI (+) - - - (i36) or (i131) No. 1 REAR-RH (+)/N.C.(1) - - - (i36) or (i131) No. 2 REAR-LH (+)/INT+(1) - - - (i36) or (i131) No. 3 REAR-RH (-)/N.C.(1) - - - (i36) or (i131) No. 4 N.C./SLD2(1) - - - (i36) or (i131) No. 5 ILLUMI (-) - - - (i36) or (i131) No. 6 REAR-LH (-)/INT (-)(1) - - - (1) Model with power amplifier - Steering switch and AUX input terminal for microphone etc.
Terminal No. Contents Measuring condition Measurement value Note (i87) No. 1 ←→ Chassis ground IGN IGN ON 11 - 15 V - (i87) No. 2 REV - - - (i87) No. 3 BRIGHT - - - (i87) No. 4 MACC - - - (i87) No. 5 MIC+ - - - (i87) No. 6 MIC DET - - - (i87) No. 7 N.C./TX1+ (for brand AMP communication)(1) - - - (i87) No. 8 N.C./TX1- (for brand AMP communication)(1) - - - (i87) No. 9 CAN+ - - CAN communication line (i87) No. 10 CAN- - - CAN communication line (i87) No. 11 AC-UART (+) - - UART communication line (i87) No. 12 AC-UART (-) - - UART communication line (i87) No. 13 NC - - - (i87) No. 14 SHIELD-GND (AUX) - - - (i87) No. 15 ←→ Chassis ground PKB At parking ON 1 V or less - (i87) No. 16 MUTE - - - (i87) No. 17 ←→ Chassis ground SPD When the tire is rotating Pulse signal - (i87) No. 18 SHIELD-GND (MIC) - - - (i87) No. 19 MIC- - - - (i87) No. 20 NC - - - (i87) No. 21 SW1 - - - (i87) No. 22 SW2 - - - (i87) No. 23 SWG - - - (i87) No. 24 N.C. - - - (i87) No. 25 AUX-DET - - - (i87) No. 26 AUX-R (+) - - - (i87) No. 27 AUX-LR (-) - - - (i87) No. 28 AUX-L (+) - - - (1) Model with power amplifier - Rearview camera
Terminal No. Contents Measuring condition Measurement value Note (i146) No. 1 ←→ Chassis ground CGND Always 0 V - (i146) No. 2 CB+ - - - (i146) No. 3 CV+ - - - (i146) No. 4 CV- - - - (i146) No. 5 NC - - - - RSE
Terminal No. Contents Measuring condition Measurement value Note (i272) No. 1 ←→ Chassis ground VV+(VTR-COMP) - - - (i272) No. 2 VV--(VTR-GND) - - - (i272) No. 3 NC - - - (i272) No. 4 NC - - - (i272) No. 5 VV-(VTR-GND) - - - (i272) No. 6 VV+(VTR-COMP) - - - (i272) No. 7 SHIELD-GND - - - (i272) No. 8 MUTE(1)/NC - - - (1) Model with telematics
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.