Mitsubishi Pajero Pinin. Manual - part 345

 

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Mitsubishi Pajero Pinin. Manual - part 345

 

 

CHASSIS ELECTRICAL – 

Multi-Center Display <High Grade>

54A-96

Termi-
nal No

Input/
Output

Signal Symbol

Terminal
Voltage

Harness Problem

Trouble Symptom Resulting from
Harness Problem

nal 

No.

Output

Voltage
(V)

Open
Circuit

Short-
circuit

Harness 

Problem

31

–

–

–

–

–

–

32

–

SHIELD EARTH

–

–

–

–

33

–

–

–

–

–

–

34

Output

R+SYNC

0 – 5

f

f

Abnormal navigation screen color.

35, 36

–

–

–

–

–

–

INSPECTION CHART CLASSIFIED BY TROUBLE SYMPTOMS

Related Unit

Trouble Symptom

Inspection
Procedure
No.

Reference
Page

Malfunction of  navigation
unit, multi-center display,
audio unit and related

TAPE/CD, UML switches do not work. No display appears
after the ignition key is turned to ACC.

1

54A-97

audio unit and related
sensor, harness

TAPE/CD, UML switches do not work. (Display appears.)

2

54A-99

No display appears after the ignition key is turned to ACC,
but TAPE/CD, UML switches can be operative.

3

54A-100

CD changer screen display does not appear when
TAPE/CD switch is operated.

4

54A-101

GPS reception is not possible.

5

54A-101

Outside air temperature data is not displayed.

6

54A-101

Abnormal driving data display

D

Abnormal average fuel consumption and average
speed displays.

D

Abnormal cruising distance displays

7

54A-102

Display moves about.
Screen colours do not match correctly.

8

54A-103

Daytime/nighttime display mode does not change in
conjunction with lighting switch operations.

9

54A-103

Compass display does not rotate , or guidance does not
appear when following a route.

10

54A-104

One of the following messages appears during navigation
mode.

D

The CD drive has failure condition. Check and reload
the disc, please.

D

Wrong disc is in the CD drive. Insert a map disc,
please.

D

No disc is in the CD drive. Insert a map disc please.

D

A music disc is in the CD-drive.

11

54A-104

CHASSIS ELECTRICAL – 

Multi-Center Display <High Grade>

54A-97

INSPECTION PROCEDURES FOR EACH TROUBLE SYMPTOM

INSPECTION PROCEDURE 1

TAPE/CD, UML switches do not work. No display appears after the ignition key is turned to ACC.

Check connectors: C-11, C-53, C-54
and DIN connectors between audio and
navigation unit

NG

Repair

OK

Turn off the ignition key and turn to ACC
position again. Does any screen appear
about 30 seconds after it?

YES

Measure at the multi-center display
connector C-52.

D

Ignition switch: ACC

D

Voltage between terminal (25), (26)
and body earth
OK: System voltage

NG

Repair fuse or harness.

NO

Disconnect multi-center display con-
nector C-53.

D

Ignition switch: ACC

D

Measure waveform at terminal (7),
(8), (17) of harness connector with
an oscilloscope.
OK: Hi: 4 – 5 V, Lo: 0 – 1 V, 

pulse signal

OK

Replace the multi-center display.

NG

NG

Repair

Check the harness between audio C-54
and multi-center display C-53 connector.

OK

Does the sound turn on/off when the
audio VOL/POWER switch operated?

NO

NG

Repair fuse or harness.

YES

OK

Measure at audio unit connector C-53.

D

Ignition switch: ACC

D

Voltage between terminal (10), (11)
and body earth
OK: System voltage

Replace the audio unit.

NG

OK

Replace the DIN cable.

Replace the navigation unit.

Check the DIN cable between audio
and navigation unit.

NG

Repair

OK

Check the harness between audio C-54
and multi-center display C-52 connec-
tor.

NG

OK

Replace the DIN cable.

Check the DIN cable between audio
and navigation unit.

To next page

OK

CHASSIS ELECTRICAL – 

Multi-Center Display <High Grade>

54A-98

From previous page

Disconnect DIN 20-pin connector from
the navigation unit.

D

Ignition switch: ACC

D

Measure waveforms of terminal (8),
(15), (17) of navigation unit
connector with an oscilloscope.
OK: 2 Vpp (AC) 15.75kHz video

signal

OK

NG

Connect the disconnected connector.
Measure at the multi-center display
connector C-53.

D

Ignition switch: ACC

D

Measure waveforms of terminal (1),
(2), (13) of navigation unit connector
with an oscilloscope.
OK: 2 Vpp (AC) 15.75kHz video

signal

NG

OK

Replace the audio unit.

NO

YES

Replace the navigation unit.

Does the sound turn on/off when the
audio VOL/POWER switch operated?

NG

OK

Replace the multi-center display.

Turn off the ignition key and turn to ACC
position again.
Does the buzzer sound “PiPi, PiPi, PiPi”
after about 30 seconds?

NG

Repair fuse or harness.

OK

Measure at the navigation unit connec-
tor C-50.

D

Ignition switch: ACC

D

Voltage between terminal (5), (6)
and body earth
OK: System voltage

Replace the audio unit.

NG

Repair fuse or harness.

OK

Replace the audio unit.

Measure at audio unit connector C-11.

D

Ignition switch: ACC

D

Voltage between terminal (10), (11)
and body earth
OK: System voltage

CHASSIS ELECTRICAL – 

Multi-Center Display <High Grade>

54A-99

INSPECTION PROCEDURE 2

TAPE/CD, UML switches do not work. (Display appears.)

NG

Repair

OK

Does the audio sound turn on or off
when operate VOL/POWER switch?

NO

NG

Repair fuse or harness.

YES

Check the harness between audio  C-54
and multi-center display B-09 connector.

NG

OK

OK

NG

Check the DIN cable between audio
and navigation unit.

OK

Are the result of key checking (audio
switch checking in the service function)
normal?

NO

YES

NO

Malfunction of operation switch.
Replace the audio unit.

Replace the navigation unit.

NO

YES

YES

NO

Check the connector of CD changer and
DIN connector between navigation unit
and CD changer.

Is a CD changer connected?

Check connectors: C-11, C-53, C-54
and DIN connectors between audio and
navigation unit

Replace the audio unit.

Measure at audio unit connector C-11.

D

Ignition switch: ACC

D

Voltage between terminal (10), (11)
and body earth
OK: System voltage

Repair

Replace the DIN cable.

YES

Check again after program-loading is
done. If same error happen, replace
navigation unit.

Insert a map CD-ROM. Does the mes-
sage “loading the program” appear?

YES

NO

Replace the navigation unit.

Does the sound change in accordance
with the switch operation?

Replace the audio unit.

Does the navigation screens appear
when NAVI switch is pressed?

 

 

 

 

 

 

 

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