ECM Terminal Arrangement
WARNING: This page is about a different car, the 2018 Subaru BRZ. However, it is still accessible from the selected car via links, so may be relevant.
- Headlight leveling computer ASSYSTANDARD VALUE SPECIFICATION
Inspection terminals (Terminal symbol) Measuring conditions Standard value A16-1 (IG) ←→A16-9 (SHR) IG ON 11 to 14 V A16-3 (HDLP) ←→A16-9 (SHR) Headlights off →on 5 V or more →1.5 V or less A16-5 (INIT) ←→A16-9 (SHR) Always (Initialization signal input terminal) Approx. 5 V A16-6 (WNG) ←→A16-9 (SHR) After IG ON, 3 seconds (warning light on)→ After 3 seconds (warning light off) Less than 1 V →11 to 14 V A16-9 (SHR) ←→Chassis ground Always Less than 1 Ω A16-10 (RH1) ←→A16-9 (SHR) IG ON 11 to 14 V A16-11 (LH1) ←→A16-9 (SHR) IG ON 11 to 14 V A16-12 (SBR) ←→A16-21 (SGR) IG ON 4.75 to 5.25 V A16-16 (SPDR) ←→ A16-9 (SHR) Driving at approx. 20 km/h Pulse generation (Waveform 1) A16-17 (RH2) ←→A16-9 (SHR) Headlights off →on Less than 1 V →1.0 to 14.4 V (17 seconds) Headlights on with no change in vehicle height →Change the vehicle height and maintain for 3 seconds or more A16-18 (LH2) ←→A16-9 (SHR) Headlights off →on, Less than 1 V →1.0 to 14.4 V (17 seconds) Headlights on with no change in vehicle height →Change the vehicle height and maintain for 3 seconds or more A16-19 (SHR) ←→A16-21 (SGR) IG ON (No passengers, no luggage, vehicle is stationary) Approx. 2.5 V(1) A16-21 (SGR) ←→ A16-9 (SHR) Always Less than 1 Ω A16-23 (RH3) ←→A16-9 (SHR) Always Less than 1 Ω A16-24 (LH3) ←→A16-9 (SHR) Always Less than 1 Ω (1) Values change depending on the vehicle status.