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6E–36 4JH1 ENGINE DRIVEABILITY AND EMISSIONS ECM CONNECTOR PIN ASSIGNMENT & OUTPUT SIGNAL View Looking Into ECM Case Pin B/Box No. Pin Function Wire Color Signal or Continuity ECM Connection Tester Position Key SW Off Key SW On Engine Idle Engine 2000rpm Range (+) (-) 1 1 ECM Ground BLK Continuity with ground - - - Disconnect Ω 1 GND 2 2 ECM Ground BLK Continuity with ground - - - Disconnect Ω 2 GND 3 3 Battery Power Supply BLU/RED Less than 1V Battery voltage Connect DC V 3 GND 25 25 No Connection - - - - - - - - - 26 26 No Connection - - - - - - - - - 27 27 Engine Speed Output BLU/RED - - Approx. 23Hz by wave form or approx. 7.2V Approx. 68Hz by wave form or approx. 7.5V Connect AC V 27 GND 28 28 No Connection - - - - - - - - - 29 29 Throttle Position RED/ WHT - Approx. 140Hz by wave form (Idle: Off duty 10% WOT: Off duty 90%) - - - - 30 30 Brake Switch 1 Signal RED Less than 1V Battery voltage when pedal is stepped on Connect DC V 30 GND 31 31 Clutch Switch Signal YEL Less than 1V Battery voltage when pedal is not stepped on Connect DC V 31 GND 32 32 No Connection - - - - - - - - - 33 33 A/C Thermo Relay GRN Less than 1V Battery voltage when A/C request switch is turned on Connect DC V 33 GND 34 34 No Connection - - - - - - - - - 35 35 Immobiliser Control WHT - Wave form - - - - 36 36 No Connection - - - - - - - - - 37 37 No Connection - - - - - - - - - 38 38 Throttle Position WHT Less than 1V Less than 1V Approx. 1V Connect DC V 38 49 39 39 Key Switch Input BLU/YEL Less than 1V Battery voltage Connect DC V 39 GND 40 40 No Connection - - - - - - - - - 41 41 A/C Compressor BRN/RED Less than 1V Battery Battery voltage when A/C compressor is not activated Connect DC V 41 GND |