41Service Manual – SC6000 04 - Control SystemMain Control Board J1 Connector (Black)Pin Wire Color Circuit Description Value/Condition14 W165 GRN-BRN H2 Back-up alarm control 32.87V off0.014V on1516 W171 GRN-RED M8 Detergent pump control +or -12.4V off11.5V A0.38V B17 W172 ORN-GRY M8 Detergent pump control +or -12.4V off0.37V A11.5V B18 W173 BLU-YEL M9 Detergent pump control +or -12.4V off11.5V A0.38V B19 W174 RED-WHT M9 Detergent pump control +or -12.4V off0.38V A11.5V B20 W167 GRY K1 KSI relay power supply 37.04V Relay energized0.06V Relay off21 W168 GRY K1 KSI relay power supply 37.04V Relay energized0.06V Relay off22 W166 VIO-BRN H1 Horn control 37.04V off0.073V on23Main Control Board J2 Connector (Gray)Pin Wire Color Circuit Description Value/Condition1 W232 YEL CAN 0 High 2.51V2 W233 GRN CAN 0 Low 2.51V34 W185 BRN B- supply for A10 smart keyreader0.001V Powered on5 W220 WHT A10 Smart key reader input 3.4V Powered off or on with or without keypresent6 W148 BLK B- power supply 0.006V Powered on78 W191 WHT-ORN S6 Recovery tank float switchinput4.83V Float down0.001 Float up9 W186 BLU-BRN S8 Side sweep proximity switchinput4.81V Broom Down0.001V Broom Up10 W187 BLU S7 Solution level sensor Lvl 1input4.83V Float down0.001 Float up11 W195 GRN CAN 1 Low 2.446V12 W192 YEL CAN 1 High 2.578V13 W188 WHT S7 Solution level sensor Lvl 2input4.83V Float down0.001 Float up
