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DUAL MODE MUFFLER EX-9 C D E F G H I J K L M A EX Terminals and Reference Value for Dual Mode Muffler Control Unit NBS0028S Components Inspection NBS0028T EXHAUST CONTROL VALVE Check operation of valve and actuator by revving engine. DUAL MODE MUFFLER ACTUATOR Check voltage between terminals 4 and 5 of dual mode muffler con- Terminal No. Item Condition Voltage (V) (Wire color) Ignition switch Operation or con- 1 (W/G) Ignition switch OFF 0 ON Battery voltage 2 (B) Ground ON 0 3 (L) Engine speed signal — Idling Approx. 4 - 6 4 (G/Y) Exhaust control valve signal ON CLOSE 0 - 1 OPEN Battery voltage 5 (G/R) Exhaust control valve signal CLOSE Battery voltage OPEN 0 - 1 6 (R/Y) Accelerator pedal position signal ON Over half More than approx. 2.4 Below half Approx. 0 - 2.4 Condition Exhaust control valve Accelerator pedal Engine rpm Below half (no-load) Above approximate 4,830 rpm Open Below approximate 4,730 rpm Close Over half (loaded) — Open PBIZ0004J Terminals Exhaust control valve (+) (-) Connector Terminal (Wire color) Ground Open Close B73 4 (G/Y) Battery voltage 0 - 1V 5 (G/R) 0 - 1V Battery voltage PBIC4626E |