Terminals and Reference Value for NAVI Control Unit
TERMINALS AND REFERENCE VALUE FOR NAVI CONTROL UNIT
| Terminal No. (Wire color) | Item | Signal input/output | Condition | Voltage (Approx.) | Example of symptom | ||
|---|---|---|---|---|---|---|---|
| + | - | Ignition switch | Operation | ||||
| 1 (B) | Ground | Ground | - | ON | - | 0V | - |
| 2 (Y/R) | Ground | Battery power | Input | OFF | - | Battery voltage | System does not work properly. |
| 5 (V) | Ground | ACC signal | Input | ACC | - | Battery voltage | System does not work properly. |
| 12 (L) | 14 (P) | Voice guide signal | Output | ON | Press the "GUIDE/VOICE" button. | Only route guide and operation guide are not heard. | |
| 13 | - | Shield ground | - | - | - | - | Audio noise interference. |
| 44 (R) | 47 | RGB signal (R: red) | Output | ON | Select "Display Diagnosis (NAVI)" of CONFIRMATION/ADJUSTMENT function. | NAVI screen looks bluish. | |
| 45 (W) | 47 | RGB signal (G: green) | Output | ON | Select "Display Diagnosis (NAVI)" of CONFIRMATION/ADJUSTMENT function. | NAVI screen looks reddish. | |
| 46 (B) | 47 | RGB signal (B: blue) | Output | ON | Select "Display Diagnosis (NAVI)" of CONFIRMATION/ADJUSTMENT function. | NAVI screen looks yellowish. | |
| 47 | - | Shield ground | - | - | - | - | Video display interference. |
| 48 (Y) | 49 | RGB synchronizing signal | Output | ON | Press the "MAP" button. | NAVI screen is rolling. | |
| 49 | - | Shield ground | - | - | - | - | Video display interference. |
| 61 (R/L) | Ground | Illumination signal | Input | ON | Lighting switch in 1st position | Battery voltage | Display unit illumination does not change when lighting switch is turned to 1st position.- |
| Lighting switch is OFF | 3V or less | ||||||
| 63 (G) | Ground | Ignition signal | Input | ON | - | Battery voltage | Navigation current location mark does not indicate the correct position. |
| 65 (G/W) | Ground | Reverse signal | Input | ON | A/T selector lever in R position | Battery voltage | The navigation current-location mark moves strangely when the vehicle is moving backwards. |
| A/T selector lever not in R position | 0V | ||||||
| 66 (P/L) | Ground | Vehicle speed signal (8-pulse) | Input | ON | When vehicle speed is approx. 40 km/h (25 MPH) | Navigation current location mark does not indicate the correct position. | |
| 68 | - | Shield ground | - | - | - | - | - |
| 69 (G) | Ground | Communication signal (+) | Input/output | ON | - | System does not work properly. | |
| 70 (R) | Ground | Communication signal (-) | Input/output | ON | - | System does not work properly. | |
| 73 | 74 | GPS signal | Input | ON | Connector is not connected. | 5V | Navigation system GPS correction is not possible. |