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 (KQ model).

If short to ground: Blows fuse No. 15 (10 A) in the under-hood 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. 18 (7.5 A) in the driver's under-dash fuse/relay box.

4

BLK

GND (Ground) (G651)

Ground for navigation unit

0 V

If open: No effect on system.

If short to ground: No effect on system.

5

LT BLU

BACK LT (Back light or reverse signal)

Reverse signal of select lever from Multiplex Integrated Control Unit (A/T) or backup light switch (M/T)

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. 5 (7.5 A) in the driver's under-dash fuse/relay box.

6

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 pulses.

Diagnostic screen Car Status, VSP Navi = 0.

If short to ground: No vehicle speed pulses.

Diagnostic screen Car Status, VSP Navi = 0.

7

RED

DIAG+ (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 at key ON (I) and (II).

8

YEL

DIAG− (Diagnostic negative)

Ground for service check signal

0 V

If open: The system will not go into diagnostic mode when using the SCS jumper.

If short to ground: No effect on system.