Exterior Lighting System

LIGHTING (EXT): LIGHTING SYSTEM: TERMINALS OF ECU; 2013 MY FR-S [03/2012 -]

1. CHECK MAIN BODY ECU (NETWORK GATEWAY ECU)









(a) Remove the main body ECU (network gateway ECU) from the instrument panel junction block assembly.

(b) Disconnect the A73 and D6 main body ECU (network gateway ECU) connectors.

(c) Measure the resistance and voltage according to the value(s) in the table below.





If the result is not as specified, there may be a malfunction in the wire harness.

(d) Reconnect the instrument panel junction block assembly and main body ECU (network gateway ECU) connectors.

(e) Measure the voltage or check for pulses according to the value(s) in the table below.





HINT
If the result is not as specified, the main body ECU (network gateway ECU) may have a malfunction.