2009-2010 Suzuki DF70A DF80A DF90A Outboard Service Manual, Page 87Get this manual
Engine General Information and Diagnosis:
Self-Diagnostic Code "1 1" RectifierRegulator (Over Charging)
Z9J0111104015
This self-diagnostic code indication may be canceled when turning the ignition switch "ON" (engine not running), because ECM detects battery voltage It is difficult to thoroughly check the rectifierregulatorBefore replacing it with new one, check that the ground point has good electrical contactTroubleshooting Step Action 1) Check the RectifierRegulator resistanceRefer to "RectifierRegulator Inspection" in Section 1K (Page 1K-8)2 Yes Go to step 2No Faulty Rectifier Regulator
Is the result OK? 1) With the engine running, check charging voltage at idle Faulty Rectifier speedRegulatorIs the result 16 or higher?
Faulty ECM or wire continuityconnection failure
Self-Diagnostic Code "5 3" Oil Pressure Switch