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Terminals And Reference Value For Dual Mode Muffler Control Unit

TERMINAL VOLTAGE SPECIFICATION

Terminal No. Item condition Voltage (V)
(Wire color) Ignition switch Operation or condition
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 (Open) ON CLOSE 0-1
OPEN Battery voltage
5 (G/R) Exhaust control valve signal (Close) 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