Audio-Navigation Unit Connector A (24P)
NOTE:
Refer to the audio system information for the terminals inputs and outputs not shown (see
AUDIO-NAVIGATION UNIT CONNECTOR A (24P)
).
AUDIO-NAVIGATION UNIT CONNECTOR A (24P)
| Cavity | Wire Color | Terminal Name | Description | Voltage (about) | Symptom |
|---|---|---|---|---|---|
| A4 | WHT | SCTY2 | Security signal from navigation display unit | 0 V | If open: The security system sets, and does not trip when screen is removed. If short to ground: The security system sets, and does not trip when screen is removed. |
| A12 | BLK | GND (Ground) | Ground for audio-navigation unit(G502) | 0 V | If open: No effect on system. If short to ground: No effect on system. |
| A13 | PNK | NAVI ILL+ (Illumination positive) | Parking light on signal | Lights on: battery voltage, Lights off: 0 V | If open: When brightness=Auto, night mode for the display is inoperative when lights on. If short to ground: No effect on system. |
| A14 | PUR | ACC (Accessory) | Power source for accessories | Battery voltage at ACCESSORY (I) or ACC mode | If open: Display picture goes out (display back light still on). If short to ground: Blows fuse No. 18 (7.5 A) in the driver's under-dash fuse/relay box. |
| A15 | BLU | VSP (Vehicle speed pulse) | Vehicle speed pulse signal from ECM/PCM | 0- 5 V pulses average 2.5 V (Depending on bus traffic) | If open: No vehicle speed pulse. Diagnostic screen Car Status, VSP=0. If short to ground: No vehicle speed pulses. Diagnostic screen Car Status, VSP=0. |
| A24 | WHT | + B (+ B Power source) | Continuous power source | Battery voltage | If open: Display picture goes out (display back light still on).
NOTE:
System reboots to enter code screen. If short to ground: Blows fuse No. 15(10 A) in the under-hood fuse/relay box.
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