Navigation unit connector C (8P) ('08-10 models)
NAVIGATION UNIT CONNECTOR C (8P) ('08-10 models)
| Terminal Number | Wire Color | Terminal Name | Description | Voltage (about) | Symptom |
|---|---|---|---|---|---|
| C1 | WHT/RED | +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. 7 (7.5 A) in the driver's under-dash fuse/relay box.
|
| C2 | YEL/RED | ACC (Accessory) | Power source for accessories | Battery voltage at ACC (I) | If open: Display picture goes out (display back light still on).
NOTE:
When re-connected the system will reboot to enter code screen. If short to ground: Blows fuse No. 32 (10 A) in the driver's under-dash fuse/relay box.
|
| C4 | BLK | GND (Ground) | Ground for navigation unit | 0 V | If open: No effect on system. If short to ground: No effect on system. |
| C5 | GRN | BACK LT (Back light) | Reverse signal of select lever from Multiplex Integrated Control Unit | In reverse, battery voltage: Otherwise 0 V | If open: Navigation never sees the reverse signal and back-up camera does not come on when in reverse. Diagnostic screen Car Status, Back = 0. If short to ground: Blows fuse No. 21 (7.5 A) in the driver's under-dash fuse/relay box. |
| C6 | BLU/WHT | VSP (Vehicle speed pulse) | Vehicle speed pulse signal from PCM | Pulses 0-5 V: Average 2.5 V, when moving | If open: No vehicle speed signal pulse. Diagnostic screen Car Status, VSP Navi = 0. If short to ground: No vehicle speed pulses. Diagnostic screen Car Status, VSP Navi = 0. |
| C7 | GRY | DIAG P (Diagnostic positive) | Service check signal for navigation system | 5-6 V | If open: No effect on system. If short to ground: System goes into diagnostic mode. |
| C8 | GRN/YEL | DIAG N (Diagnostic negative) | Ground for service check signal | 0 V | If open: No effect on system. If short to ground: No effect on system. |