Pinout Values and Diagnostic Parameters

WINDOW / GLASS: WINDOW DEFOGGER 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).

(b) Disconnect the A73 main body ECU (network gateway ECU) connector.

(c) Measure the voltage and resistance of the wire harness side connector.





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

2. CHECK HEATER CONTROL SUB-ASSEMBLY (for Manual Air Conditioning System)





(a) Disconnect the D22 heater control sub-assembly connector.

(b) Measure the voltage and resistance of the wire harness side connector.





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

(c) Reconnect the D22 heater control sub-assembly connector.

(d) Measure the voltage of the connector.





* If the result is not as specified, the heater control sub-assembly may have a malfunction.