Terminals And Reference Value For Sonar Control Unit
| Terminal (Wire color) | Item | Condition | Reference value (V) (Approx.) | ||
|---|---|---|---|---|---|
| Ignition switch | Operation | ||||
| 3 (R/Y) | Sonar buzzer return | ON | 0 | ||
| 4 (O/B) | Rear sonar system OFF indicator output | ON | Rear sonar system OFF switch | ON | 0 |
| OFF | Battery voltage | ||||
| 5 (G/W) | Reverse signal | ON | Selector lever | R position | Battery voltage |
| Selector lever | Not R position | 0 | |||
| 6 (B) | Sonar control unit ground | OFF | 0 | ||
| 7 (W/G) | Sonar buzzer drive signal | ON | Rear sonar system OFF switch ON Selector lever in R position No obstacles | Battery voltage | |
| Rear sonar system OFF switch ON Selector lever in R position Distance between rear sonar sensor and obstacle is < 0.25 m (0.82 ft) or less. | 0 | ||||
| Rear sonar system OFF switch ON Selector lever in R position Distance between rear sonar sensor and obstacle is 0.25 to 1.8 m (0.82 to 5.9 ft). | Cycles between 0.001 and 12 | ||||
| 8 (G) | Sonar control unit power | ON | Battery voltage | ||
| 9 (L) | Rear sonar sensor signal - RH outer | ON | Rear sonar system OFF switch ON Selector lever in R position No obstacles | Battery voltage | |
| 10 (R) | Rear sonar sensor signal - LH outer | ON | Rear sonar system OFF switch ON Selector lever in R position No obstacles | Battery voltage | |
| 11 (G/O) | Rear sonar sensor signal - LH inner | ON | Rear sonar system OFF switch ON Selector lever in R position Distance obstacles | Battery voltage | |
| 12 (W) | Rear sonar sensor signal - RH inner | ON | Rear sonar system OFF switch ON Selector lever in R position Distance obstacles | Battery voltage | |
| 13 (GR/L) | Rear sonar system OFF switch signal | ON | Rear sonar system OFF switch | ON | 0 |
| OFF | 9 | ||||
| 15 (G/Y) | Rear sonar sensor ground | ON | 0 | ||
| 16 (Y) | Rear sonar sensor power | ON | Ignition switch ON | Battery voltage | |
SONAR CONTROL UNIT - TERMINALS AND REFERENCE VALUE TABLE