Nissan Murano. Manual - part 103

AV-190

< SYSTEM DESCRIPTION >

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DIAGNOSIS SYSTEM (TEL ADAPTER UNIT)

DIAGNOSIS SYSTEM (TEL ADAPTER UNIT)

Description

INFOID:0000000009721722

 During on board diagnosis the diagnosis function of TEL adapter unit starts with the operation of the steering
switch and performs the diagnosis when ignition switch ACC. 

On Board Diagnosis Function

INFOID:0000000009721723

ON BOARD DIAGNOSIS ITEM

The on board diagnosis has 3 modes: the self-diagnosis mode that performs the trouble diagnosis, the
speaker adaptation data deleting mode and the hands-free phone system initialization mode.

CAUTION:

• Perform the diagnosis with the vehicle stopped.
• Perform STEP2 if necessary.

Self-diagnosis results

Self-diagnosis mode reads out the self-diagnosis results.
NOTE:
• Error count is read out simultaneously when reading out the DTC name.
• The errors are read out continuously when some errors occur at the same time.

Self-diagnosis results

The Details of Error Count

The error count guides “0” when the error occurs. The next time it counts up “1” if it is normal with the ignition
switch ON. It continues the count up unless the initialization of hands-free phone system is performed.

STEP

MODE

Description

STEP1

Self-diagnosis

The self-diagnosis mode performs the microphone test and 
the diagnosis of TEL adapter unit, TEL antenna and steering 
unit, and then reads out the results with the sound and indi-
cates them on the display.

STEP2

Speaker adaptation data deleting

The speaker adaptation data deleting mode can delete the 
speaker adaptation data.

Hands-free phone system initialization

Hands-free phone system initialization mode can perform 
the initialization of hands-free phone system.

DTC

DTC name

Possible causes

DTC 10000

INTERNAL FAILURE

TEL adapter unit

DTC 01000

ANT. SHORT TO BATT OR OPEN

TEL antenna

DTC 00100

ANT. SHORT TO GROUND

DTC 00010

STEERING REMOTE BUTTON STUCK A

Steering switch

DTC 00001

STEERING REMOTE BUTTON STUCK B

DTC 00000

THERE ARE NO FAILURE RECORDS TO REPORT

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AV

DIAGNOSIS SYSTEM (TEL ADAPTER UNIT)

AV-191

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FLOW CHART OF TROUBLE DIAGNOSIS

JSNIA2498GB

AV-192

< ECU DIAGNOSIS INFORMATION >

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AV CONTROL UNIT

ECU DIAGNOSIS INFORMATION

AV CONTROL UNIT

Reference Value

INFOID:0000000009721724

VALUES ON THE DIAGNOSIS TOOL

NOTE:
The following table includes information (items) inapplicable to this vehicle. For information (items) applicable
to this vehicle, refer to CONSULT display items.

CONSULT MONITOR ITEM

TERMINAL LAYOUT

PHYSICAL VALUES

Monitor Item

Condition

Value/Status

VHCL SPD SIG

Ignition switch 
ON

Vehicle speed > 0 km/h (0 MPH)

On

Vehicle speed = 0 km/h (0 MPH)

Off

PKB SIG

Ignition switch 
ON

Parking brake is applied.

On

Parking brake is released.

Off

ILLUM SIG

Ignition switch 
ON

Lighting switch is ON

On

Lighting switch is OFF

Off

IGN SIG

Ignition switch 
ON

—

On

Ignition switch 
ACC

—

Off

REV SIG

Ignition switch 
ON

Selector lever is in R position

On

Selector lever is in any position other than R

Off

JSNIA2830ZZ

AV

AV CONTROL UNIT

AV-193

< ECU DIAGNOSIS INFORMATION >

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Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

6

(BR)

15

(L)

Steering switch signal A

Input

Ignition 

switch 

ON

Keep pressing SOURCE 
switch.

 0 V

Keep pressing MENU UP 
switch.

0.7 V

Keep pressing MENU 
DOWN switch.

1.3 V

Keep pressing 

 

 

switch

2.0 V

Except for above.

3.3 V

7

(W)

Ground

ACC power supply

Input

Ignition 

switch 

ACC

—

Battery voltage

9

(R)

Ground

Illumination signal

Input

Ignition 

switch 

OFF

Lighting switch is OFF.

0 V

Lighting switch is ON.

12.0 V

16

(G)

15

(L)

Steering switch signal B

Input

Ignition 

switch 

ON

Keep pressing VOL DOWN 
switch.

0 V

Keep pressing VOL UP 
switch.

0.7 V

Keep pressing 

 switch.

1.3 V

Except for above.

3.3 V

19

(Y)

Ground

Battery power supply

Input

Ignition 

switch 

OFF

—

Battery voltage

20

(B)

Ground

Ground

—

Ignition 

switch 

ON 

—

0  V

36

(GR)

Ground

Signal VCC

Output

Ignition 

switch 

ACC

—

9.0 V

37

(SB)

Ground

Signal ground

—

Ignition 

switch 

OFF

—

0  V

38

(G)

Ground

Horizontal synchronizing 
(HP) signal

Input

Ignition 

switch 

ON 

—

39

(L)

Ground

Communication signal
(DISP

→

CONT)

Input

Ignition 

switch 

ON

When adjusting display 
brightness.

SKIB3601E

PKIB5039J