Terminals And Reference Value For Dual Mode Muffler Control Unit
WARNING: This page is about a different car, the 2004 Infiniti Q45. However, it is still accessible from the selected car via links, so may be relevant.
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 | |||