Nissan Almera Tino V10. Manual — part 786

6

COMMUNICATION SIGNAL INSPECTION

1. Connect audio unit to AV and NAVI control unit connector.
2. Check voltage signal between AV and NAVI control unit terminals 47 (R), 48 (G) and ground.

YEL397E

47 (R), 48 (G)-ground:

EL-400, “Terminals and Reference Value for AV and NAVI Control Unit”

OK or NG

OK

©

Replace audio unit.

NG

©

Replace AV and NAVI control unit.

NAVIGATION SYSTEM

Trouble Diagnoses (Cont’d)

EL-440

AIR CONDITIONING CONTROLS (ONLY) ARE
INEFFECTIVE (REAR DEFOGGER CONTROL
EXCLUDED)

NLEL0687S14

1

HARNESS CHECK

1. Turn the ignition switch OFF.
2. Disconnect A/C auto amp. connector and AV and NAVI control unit connector.
3. Check continuity between A/C auto amp. and AV and NAVI control unit.

YEL398E

MTBL1748

4. Check continuity between AV and NAVI control unit and ground.

MTBL1749

OK or NG

OK

©

GO TO 2.

NG

©

I

Check harness between A/C auto amp. and AV and NAVI control unit.

I

Check connector housings for disconnected or loose terminals.

GI

MA

EM

LC

EC

FE

CL

MT

AT

AX

SU

BR

ST

RS

BT

HA

SC

IDX

NAVIGATION SYSTEM

Trouble Diagnoses (Cont’d)

EL-441

2

A/C-AV, AV-AC, AC-CLK COMMUNICATION SIGNAL CHECK

1. Connect A/C AUTO AMP. connector.
2. Turn the ignition switch ON.
3. Check voltage between AV and NAVI control unit and ground.

YEL399E

MTBL1750

OK or NG

OK

©

GO TO 3.

NG

©

I

Replace harness.

I

Replace A/C AUTO AMP.

NAVIGATION SYSTEM

Trouble Diagnoses (Cont’d)

EL-442

3

A/C-AV, AV-AC, AC-CLK COMMUNICATION SIGNAL CHECK

1. Connect AV and NAVI control unit connector.
2. Turn the ignition switch ON.
3. Check voltage signal between AV and NAVI control unit terminals 43, 44, 45 and ground.

YEL400E

MTBL1751

OK or NG

OK

©

Replace A/C auto amplifier.

NG

©

Replace AV and NAVI control unit.

GI

MA

EM

LC

EC

FE

CL

MT

AT

AX

SU

BR

ST

RS

BT

HA

SC

IDX

NAVIGATION SYSTEM

Trouble Diagnoses (Cont’d)

EL-443