Audio-navigation Unit Inputs and Outputs for Connector A (24P)
AUDIO-NAVIGATION UNIT CONNECTOR A (24P)
| Terminal Number | Wire Color | Terminal Name | Description | Voltage (about) | Symptom |
|---|---|---|---|---|---|
| 1 | RED | ILL(-) | Ground for illumination light | With full dash lights brightness, 0 V | If open: When brightness = Auto, night mode for the display is inoperative when lights on. If short to ground: No change to display. |
| 12 | BLK | RADIO GND (Ground) | Ground for display unit | 0 V | If open: When brightness = Auto, night mode for the display is inoperative when lights on. If short to ground: No change to display. |
| 13 | GRY | ILL(+) (Illumination positive) | Parking light on signal from dash and console lights, under-dash fuse/relay box | Light on = battery voltage, Lights off = 0V | If open: When brightness = Auto, night mode for the display is inoperative when lights on. If short to ground: Blows fuse No. 29 (10 A) in under-dash fuse/relay box. |
| 14 | ORN | ACC (Accessory) | Power source for accessories | Battery voltage at ACCESSORY (I) | If open: Display picture goes out (display back light still on). If short to ground: Blows fuse No. 14 (7.5 A) in the under-dash fuse/relay box. |
| 15 | BLU | VSP (Vehicle speed pulse) | Vehicle speed pulse signal from ECM/PCM | Pulses: 0-5 V: Average 2.5 V, when moving | If open: No vehicle speed pulses. Diagnostic screen Car Status, VSP Navi = 0. If short to ground: No vehicle speed pulses. Diagnostic screen Car Status, VSP Navi = 0. |
| 24 | PNK | + B(+ B power source) | Continuous power source | Battery voltage | If open: Screen completely off (no backlight visible). If short to ground: Blows fuse No. 1 (10 A) in the under-dash fuse/relay box. |