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DUAL MODE MUFFLER EX-9 C D E F G H I J K L M A EX INSPECTION OF DUAL MODE MUFFLER CONTROL UNIT OUTPUT SIGNAL Check voltage between terminals 4 and 5 of dual mode muffler con- INSPECTION OF DUAL MODE MUFFLER CONTROL UNIT INPUT SIGNAL Check voltage between terminals 1, 2, 3 and 6 of dual mode muffler INSPECTION OF ECM OUTPUT SIGNAL ● Check that tachometer operates normally. ● Check voltage between ECM terminals 38, 113 and ground at INSPECTION OF HARNESS CONTINUITY Disconnect connectors of ECM, dual mode muffler control unit and Terminals Input signal (Exhaust control valve) Condition Voltage V (+) (-) Terminal (Wire color) 4 (G/Y) GND Open ING ON Battery voltage (11 - 14) 0 - 1 5 (G/R) Close 0 - 1 Battery voltage (11 - 14) PBIC0179E Terminals Input signal Condition Voltage V (+) (-) Terminal (Wire color) 1 (W/G) GND Battery ING ON Battery voltage (11 - 14) 3 (L) Revolution Idling Approx. 4 - 6 2 (B) Earth IGN OFF 0 6 (R/Y) Accelerator pedal position sensor opening Over half ING ON More than approx. 2.4 Below half Approx. 0 - 2.4 PBIC0180E Terminals Output signal Condition Voltage V (+) (-) Terminal (Wire color) 38 (W/G) GND Revolution Idling Approx. 4 - 6 113 (R/Y) Accelerator pedal position sensor opening Over half IGN ON More than approx. 2.4 Below half Approx. 0 - 2.4 PBIC0181E Terminals (Wire color) Resistance Ω Actuator terminal 1 (G/Y) and muffler control unit terminal 4 (G/Y) 0 Actuator terminal 2 (G/R) and muffler control unit terminal 5 (G/R) ECM terminal 38 (W/G) and muffler control unit terminal 3 (L) ECM terminal 113 (R/Y) and muffler control unit terminal 6 (R/Y) PBIC0182E |