Land Rover Discovery Lhd Models Etm 1995 4th Edition Exp Rover Manual

							RADIO (EXCEPT NAS)
13
ETM E6
DISCOVERY
ELECTRICAL TROUBLESHOOTING MANUAL
TROUBLESHOOTING HINTS
1. Check fuses F6 in the Satellite Fusebox 2
(P128) and F3 in the Fascia Fusebox (P126).
2. Check that Radio (Z111) connectors and
coaxial cable are tight and properly connected.
3. For proper Radio (Z111) noise diagnosis, take
the vehicle outside where signals are strong.
Close the hood and keep away from metal
buildings or other sources of Radio
interference.
4. If Radio (Z111) noise is excessive when an
accessory is on, install a Radio noise
suppression capacitor to the power lead of that
accessory.
5. If Radio (Z111) noise is excessive at all times,
check antenna wiring.  If OK, check spark
plugs, spark plug wiring and wiring close to the
ignition system which could transmit noise to
the Radio (Z111) wiring.
6. If the Radio (Z111) is inoperative and `code is
being shown on the display, follow the
instructions below.
7. If radio scans past all frequencies when in seek
mode and hiss is present over most stations,
substitute antenna with a known good
antenna.If the reception is still inadequate,
replace radio.
Security Code Instructions
1. Obtain 5±digit security code from vehicle owner
or manufacturer.
2. Enter the code number using the Radio (Z111)
push±button selectors.
NOTE:  If the correct code is not entered in 3
successive attempts, the Radio (Z111) will not
accept another entry until the Radio has been left
on for 1 hour with the ignition on.
NOTE:  When entering the code, be sure to
complete the sequence numbering of that 5±digit
code even if you made a mistake.  For example, if
the correct code number sequence is 43215 and
you mistakenly enter 42 instead of 43, continue the
code number sequence of 215 to complete that
entry.  A `beep will sound, `code will still be
displayed and the Radio will not operate.  Re±enter
the correct code 43215 and the Radio will operate.
NOTE:  If an audible `beep is heard while entering
the code, STOP immediately.  Begin entering thecode again, starting with the first number of the
5±digit code.
NOTE:  If a push±button is touched accidentally
when the ignition is off, a warning tone will sound.
Turn the ignition on and the tone will stop. 
						

							RADIO (EXCEPT NAS)
14
E6   ETM
DISCOVERY
ELECTRICAL TROUBLESHOOTING MANUA L


 	


1. If the Radio (Z111) does not operate at all on
vehicles equipped with the Low Line Radio, do
Test A.
2. If the Radio (Z111) does not operate at all on
vehicles equipped with the Mid Line Radio, do
Test B.
3. If the Radio (Z111) does not operate at all on
vehicles equipped with the High Line Radio, do
Test C.
4. If VF display does not dim when headlamps or
park lamps are turned on, do Test D.
5. If one or more speakers do not operate, do
Test E.
6. If the Subwoofer (K146) does not operate, do
Test F.
7. If none of Remote Radio Waveband, Tune,
Volume Up, or Volume Down Switches operate
for the Mid Line Radio, do Test R.
8. If the Radio Waveband Switch (X234) does not
operate, do Test J for the Mid Line Radio, Test
N for the High Line Radio.
9. If the Radio Tune Switch (X233) does not
operate, do Test K for the Mid Line Radio, Test
O for the High Line Radio.
10. If the Radio Volume Up Switch (X235) does not
operate, do Test L for the Mid Line Radio, Test
P for the High Line Radio.
11. If the Radio Volume Down Switch (X236) does
not operate, do Test M for the Mid Line Radio,
Test Q for the High Line Radio. 
						

							

ELECTRICAL TROUBLESHOOTING MANUAL
ETM E6
Radio (except NAS)
15
DISCOVERY
%& 
! ! !# %& 
#( ! !#
Z111
Radio


Z111
Radio



	
	
	





	




)  	
Radio


	




	





 
 	 	

!&!# (!& 


 

	 
	



	

!&!# (!& 


 

	 
	
 


!$
!$ ) )
)

 !$
)
 %
)
%  	
 )
!$
% )
 % )
 !$ )

 !$ ) 
						

							
	
ELECTRICAL TROUBLESHOOTING MANUA L
E6 ETM
Radio (except NAS)
16
DISCOVERY

! ! !# %& 	
Z111
Radio
 	


)
Radio



Z111
Radio
	
	






	



	



	



 
 	 	



   
) 



)
 	 	

!&!# (!& 
	 


 

 !$ !&!# (!& 
	 
)
 %
)
 !$!$
 
						

							
	
ELECTRICAL TROUBLESHOOTING MANUAL
ETM E6
Radio (except NAS)
17
DISCOVERY
() 	
Z111
Radio



Radio ,
 


Z111
Radio


,
Radio


	





	



 


	






	



 

 !
 *(
 !

 


	
$!)!%$ +!) 


 


 

! , 

#&(
	 
	 


	
$!)!%$ +!) 


 


	 
	
, 

,
, 
						

							%!&
ELECTRICAL TROUBLESHOOTING MANUA L
E6 ETM
Radio (except NAS)
18
DISCOVERY
	
( 



( 	









Z176
Subwoofer
Amplifier











%!&  & # 	 	
 $

J2120
Speaker
	 	 


  	



# ( $# ) (
	 
	
 
 



 & * 	 	 $##( $&  (#  $#


  & * --
- 
						

							ELECTRICAL TROUBLESHOOTING MANUAL
ETM E6
Radio (except NAS)
19
DISCOVERY








Z176
Subwoofer
Amplifier


Z176
Subwoofer
Amplifier
















 
 	
! $ ! % $

 


 	



	
! $ ! % $

 


 


 #
 # & &
&
  #
&
  
 
   

	
 
  
 
						

							ELECTRICAL TROUBLESHOOTING MANUA L
E6 ETM
Radio (except NAS)
20
DISCOVERY








Z176
Subwoofer
Amplifier



	

  
   
  
   


 #$# (!
 

R




% )
)
B% 	 
 $


 

 
	  

Z111
Radio



	 


Z176
Subwoofer
Amplifier



 #$# (!
 



 

% )

   


	



 # $
 	 

	 % )
& 




	








 
						

							ELECTRICAL TROUBLESHOOTING MANUAL
ETM E6
Radio (except NAS)
21
DISCOVERY
*+ 
	






	

 &+& -+!
		
 



Z176
Subwoofer
Amplifier



) .
.
 )	
 	

 ! & 

	




Z111
Radio	
 
   


*+ 
 	

 	 	

 &+& -+!
		
 

Subwoofer ,-) %($)
.. 


&*+$$  #&-&   ,-)

,-) (#)*

 



.

.
Subwoofer Wir-
ing 
						

							ELECTRICAL TROUBLESHOOTING MANUA L
E6 ETM
Radio (except NAS)
22
DISCOVERY
$% 


 



 



	


	 

  

) 

)
Radio

Z111
Radio





! % ! ( %

 


 #
   !  


  ! ( %

 )
 #
)
Radio Waveband
Switch
Z111
Radio


)
 
 


	
! % ! ( %

 


	 

  

  #





)
  #
)
Radio Tune
Switch
   !  


  &! ( %






 

)
Radio
$%