Infiniti M45 (Y34). Manual - part 188

NAVIGATION SYSTEM

AV-85

C

D

E

F

G

H

I

J

L

M

A

B

AV

Ignition Signal Check

AKS003XQ

1. 

IGNITION SIGNAL CHECK

1.

Turn ignition switch ON.

2.

Check voltage between AV and NAVI control unit harness con-
nector B29 terminal 26 (W/G) and ground.

OK or NG

OK

>> Replace AV and NAVI control unit.

NG

>> Check harness for open or short between AV and NAVI

control unit and fuse.

26 (W/G) - Ground 

: Battery voltage should exist.

SKIA9208E

AV-86

NAVIGATION SYSTEM

Reverse Signal Check

AKS003XR

1. 

REVERSE LAMP CHECK

1.

Turn ignition switch ON.

2.

A/T shift selector lever into R-position. Does “R” in the shift position indicator come on?

YES or NO

YES

>> GO TO 2.

NO

>> Check back-up lump system. Refer to 

LT-106, "BACK-UP LAMP"

 .

2. 

REVERSE SIGNAL CHECK

With the selector lever in R-position, Check voltage between AV and
NAVI control unit and ground.

OK or NG

OK

>> Replace AV and NAVI control unit.

NG

>> Check harness for open or short between AV and NAVI

control unit and back–up lamp relay.

Terminals

A/T selector lever position

(+)

(–)

Connector

Terminal 

(Wire color)

R-position

Other than R-

position

B29

27(R/B)

Ground

Battery voltage

Approx. 0V

SKIA9207E

NAVIGATION SYSTEM

AV-87

C

D

E

F

G

H

I

J

L

M

A

B

AV

RGB Screen is Not Shown

AKS003XS

1. 

HARNESS CHECK

1.

Turn ignition switch OFF.

2.

Disconnect AV and NAVI control unit connector and Display connector.

3.

Check continuity between AV and NAVI control unit harness connector B30 terminal 12(B) and Display
harness connector M82 terminal 8 (B).

4.

Check continuity between AV and NAVI control unit harness
connector B30 terminal 13 (W) and Display harness connector
M82 terminal 5 (W).

5.

Check continuity between AV and NAVI control unit harness
connector B30 terminal 12 (B), 13 (W) and ground.

OK or NG

OK

>> GO TO 2.

NG

>> Repair harness.

2. 

HORIZONTAL SYNCHRONIZATION SIGNAL CHECK

1.

Connect AV and NAVI control unit connector and Display connector.

2.

Turn ignition switch ON.

3.

Check the signal between AV and NAVI control unit harness
connector B30 terminals 13 (W) and 14 with CONSULT-ll or
oscilloscope.

OK or NG

OK

>> GO TO 3.

NG

>> Replace Display.

3. 

RGB AREA SIGNAL CHECK

1.

Press “INFO” switch.

2.

Check the signal between AV and NAVI control unit harness
connector B30 terminals 12 (B) and 14 with CONSULT-ll or
oscilloscope.

OK or NG

OK

>> Replace Display.

NG

>> Replace AV and NAVI control unit.

12 (B) - 8 (B)

: Continuity should exist.

13 (W) - 5 (W)

: Continuity should exist.

12 (B), 13 (W) - Ground

: Continuity should not exist.

SKIA3559E

13 (W) - 14

: Refer to 

AV-64, "Terminals and Refer-

ence Value for AV and NAVI Control Unit"

 

.

SKIA3519E

12 (B) -14

: Refer to 

AV-64, "Terminals and Reference 

Value for AV and NAVI Control Unit"

 .

SKIA3520E

AV-88

NAVIGATION SYSTEM

Color of RGB Image is Not Proper

AKS003XT

1. 

COLOR BAR DIAGNOSIS CHECK

Check color tone by “SCREEN ADJUSTMENT” of Confirmation/Adjustment Mode function.
OK or NG

OK

>> Inspection end.

NG

>> GO TO 2.