Navigation Unit Connector A (8P)
TERMINAL NUMBER AND WIRE COLOR DESCRIPTION
| Terminal Number | Wire Color | Terminal Name | Description | Voltage (about) | Symptom |
|---|---|---|---|---|---|
| 1 | WHT | + B (+B Power source) | Continuous power source | Battery voltage | If open: Display picture goes out (display back light still on).
NOTE:
System will reboot to enter code screen. If short to ground: Blows fuse No. 5 (7.5 A) in the driver's under-dash fuse/relay box.
|
| 2 | PUR | ACC (Accessory) | Power source for accessories | Battery voltage at ACC (I) | If open: Display picture goes out (display back light still on). If short to ground: Blows fuse No. 32 (10 A) in the driver's under-dash fuse/relay box. |
| 4 | BLK | GND (Ground) (G602) | Ground for navigation unit | 0 V | If open: No effect on system. If short to ground: No effect on system. |
| 5 | BRN | BACK LT (Back light or reverse signal) | Reverse signal of select lever from Multiplex Integrated Control Unit | In reverse, battery voltage: Otherwise 0 V | If open: Navigation never sees reverse. Diagnostic screen Car Status, Back=0. If short to ground: Blows fuse No. 21 (10 A) in the driver's under-dash fuse/relay box. |
| 6 | BLU | VSP (Vehicle speed pulse) | Vehicle speed pulse signal from PCM | 0-5 V pulses average 2.5 V (Depending on bus traffic) | 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. |
| 7 | GRN | DIAG + (Diagnostic positive) | Service check signal for navigation system | 5-6V | If open: No effect on system. If short to ground: System goes into diagnostic mode at key ON (I) and (II). |
| 8 | YEL | DIAG-(Diagnostic negative) | Ground for service check signal | 0V | If open: The system will not go into diagnostic mode when using the SCS jumper. If short to ground: No effect on system. |