Interior Lighting System

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

1. CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (NETWORK GATEWAY ECU)









(a) Disconnect the 3A, 3C, 3E, A73 and D6 instrument panel junction block assembly and main body ECU (network gateway ECU) connectors.

(b) Measure the 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.

(c) Measure the resistance 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 3A, 3C, 3E, A73 and D6 instrument panel junction block assembly and main body ECU (network gateway ECU) connectors.

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





If the result is not as specified, the main body ECU (network gateway ECU) or instrument panel junction block assembly may have a malfunction.