NISSAN X-TRAIL 2003 Service Repair Manual

AUDIO
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Terminals and Reference Value for Audio Unit Without Casette Deck EKS00EHT
Terminal
(Wire color)
ItemSignal
input/
outputCondition
Reference valueExample of symp-
tom
(+) (–)Ignition
switchOperation
1
(R/L)GroundLighting
switch signalInput ONLighting switch
ON (1st position)Approx.12VAudio unit illumi-
nation does not
function when
lighting switch is
ON (position 1). Lighting switch
OFFApprox.0V
3
(GY/L)Ground ACC power Input ACC – Battery voltageSystem does not
work properly.
5
(PU)– immobilizer – – – – –
6
(Y/R)GroundAntenna
signalOutput ON – More than approx. 10VReceiving status
of radio broadcast
becomes bad.
9
(Y/G)Ground Battery power Input OFF – Battery voltage System does not
work properly.
11
(SB)
*1
(L)*2
10
(GY)*1
(B/W)*2
Audio sound
signal front
LH Output ONReceive audio
signalNo sound from
front door speaker
or tweeter LH.
12
(LG)13
(B/Y)Audio sound
signal rear
LH Output ONReceive audio
signalNo sound from
rear door speaker
LH.
15
(SB)
*3
(BR)*4
14
(GY)*3
(B/R)*4
Audio sound
signal front
RHOutput ONReceive audio
signalNo sound from
front door speaker
or tweeter RH.
16
(OR)7
(B/P)Audio sound
signal rear
RHOutput ONReceive audio
signalNo sound from
rear speaker RH.
20
*5
(L/B)22
*5
(B)Remote con-
trol AInput ONPress SOURCE
switchApprox.0V
Steering wheel
audio controls do
not function. Press SEEK
UPswitchApprox.1.7V
Press VOLME UP
switchApprox.3.3V
Except for above Approx.5V
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AV-32
AUDIO


*1 : LHD model with navigation system.

*2 : Except *1.

*3 : RHD model with navigatiion system.

*4 : Except *3.

*5 : With audio steering wheel switch only.
Audio Steering Wheel Switch Resistance CheckEKS00EHW
21*5
(L/R)22
*5
(B)Remote con-
trol BInput ONPress SPECIAL
switch Approx.0V
Steering wheel
audio controls do
not function. Press SEEK
DOWN switchApprox.1.7V
Press VOLUME
DOWN switchApprox.3.3V
Except for above Approx.5V
22
*5
(B)GroundRemote con-
trol ground– ON – Approx.0V Te r m i n a l
(Wire color)
ItemSignal
input/
outputCondition
Reference valueExample of symp-
tom
(+) (–)Ignition
switchOperation
Terminal
Signal name ConditionResistance
(Ω)
(+) (–)
35Source Depress source switch. Approx.0
Seek down
(previous)Depress (station) down
switch.Approx.165
Volume
(down)Depress volume down switch. Approx.652
45Special Depress special switch. Approx.0
Seek up
(next)Depress (station) up switch. Approx.165
Volume (up) Depress volume up switch. Approx.652
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AUDIO
AV-33
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Trouble DiagnosesEKS00EHY
AUDIO UNIT
Symptom Possible causes Repair order
Audio unit inoperative (no digital display
and no sound from speakers).1. 10A fuse
2. 15A fuse
3. Audio unit ground
4. Audio unit1. Check 10A fuse [No. 4, located
in fuse block (J/B)]. Turn ignition
switch ON and verify that battery
positive voltage is present at ter-
minal 10 (with casette deck) ,3
(without casette deck) of audio
unit.
2. Check 15A fuse (No. 32, located
in fuse and fusible link box) and
verify that battery positive volt-
age is present at terminal 6 (with
casette deck), 9 (without casette
deck) of audio unit.
3. Check audio unit ground.
4. Remove audio unit for repair.
Individual rear speaker is noisy or inopera-
tive.1. Each speaker
2. Output circuit to each speaker1. Check speaker.
2. Check the output circuits to each
speaker between audio unit and
each speaker.
AM/FM stations are weak or noisy. 1. Roof antenna
2. Audio unit ground
3. Audio unit1. Check roof antenna.
2. Check audio unit ground condi-
tion.
3. Remove audio unit for repair.
Audio unit generates noise in AM and FM
modes with engine running.1. Poor audio unit ground
2. Loose or missing ground bonding straps
3. Ignition condenser or rear window defogger
noise suppressor condenser
4. Ignition coil
5. Audio unit1. Check audio unit ground.
2. Check ground bonding straps.
3. Replace ignition condenser or
rear window defogger noise sup-
pressor condenser.
4. Check ignition coil.
5. Remove audio unit for repair.
Audio unit generates noise in AM and FM
modes with accessories on (switch pops
and motor noise).1. Poor audio unit ground
2. Antenna
3. Accessory ground
4. Malfunctioning accessory1. Check audio unit ground.
2. Check antenna.
3. Check accessory ground.
4. Replace accessory.

AV-34
AUDIO

InspectionEKS00EHX
AUDIO UNIT
All voltage inspections are made with:

Ignition switch ON or ACC

Audio unit ON

Audio unit connected
ANTENNA
Using a jumper wire, clip an auxiliary ground between antenna and body.

If reception improves, check antenna ground (at body surface).

If reception does not improve, check main feeder cable for short circuit or open circuit.

AUDIO
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Audio Steering wheel Switch Does Not operate. (With Casette Deck)EKS00EJ1
1. AUDIO STEERING WHEEL SWITCH RESISTANCE CHECK
1. Disconnect audio steering wheel switch connector.
2. Check resistance audio steering wheel switch. Refer to AV- 3 2 , "
Audio Steering Wheel Switch Resistance
Check" .
OK or NG
OK >> GO TO 2.
NG >> Replace audio steering wheel switch.
2. AUDIO STEERING WHEEL SWITCH CIRCUIT CHECK
1. Disconnect audio unit connector and combination switch (spiral cable) connector.
2. Check continuity between audio unit harness connector M41 ter-
minal 26 (L/B), 27 (L/R), 29 (B) and combination switch (spiral
cable) harness connector M11terminal 4 (L/B), 5 (L/R), 7 (B).
3. Check continuity between audio unit harness connector M41 ter-
minal 26 (L/B), 27 (L/R), 29 (B) and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connector.
3. CONTROL SIGNAL CHECK
1. Connect audio unit connector and combination switch (spiral cable) connector.
2. Turn ignition switch ON.
3. Check voltage between audio unit harness connector M41 ter-
minal 26 (L/B), 27 (L/R) and 29 (B).
OK or NG
OK >> Check combination switch (spiral cable).
NG >> Replace audio unit.
Audio Steering Wheel Switch Does Not operate. (Without Casette Deck)EKS00EJ3
1. AUDIO STEERING WHEEL SWITCH RESISTANCE CHECK
1. Disconnect audio steering wheel switch connector.
2. Check resistance audio steering wheel switch. Refer to AV- 3 2 , "
Audio Steering Wheel Switch Resistance
Check" .
OK or NG
OK >> GO TO 2.
NG >> Replace audio steering wheel switch.Resistance value is OK?
26 (L/B)- 4 (L/B) :Continuity should exist.
27 (L/R)- 5 (L/R) :Continuity should exist.
29 (B) - 7 (B) :Continuity should exist.
Continuity should not exist.
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26 (L/B) - 29 (B) : Approx 5V
27 (L/R) - 29 (B) : Approx 5V
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Resistance value is OK?

AV-36
AUDIO

2. AUDIO STEERING WHEEL SWITCH CIRCUIT CHECK
1. Disconnect audio unit connector and combination switch (spiral cable) connector.
2. Check continuity between audio unit harness connector M43 ter-
minal 20 (L/B), 21 (L/R), 22 (B) and combination switch (spiral
cable) harness connector M11terminal 4 (L/B), 5 (L/R), 7 (B).
3. Check continuity between audio unit harness connector M41 ter-
minal 20 (L/B), 21 (L/R), 22 (B) and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connector.
3. CONTROL SIGNAL CHECK
1. Connect audio unit connector and combination switch (spiral cable) connector.
2. Turn ignition switch ON.
3. Check voltage between audio unit harness connector M43 ter-
minal 20 (L/B), 21 (L/R) and 22 (B).
OK or NG
OK >> Check combination switch (spiral cable).
NG >> Replace audio unit. 20 (L/B)- 4 (L/B) :Continuity should exist.
21 (L/R)- 5 (L/R) :Continuity should exist.
22 (B) - 7 (B) :Continuity should exist.
Continuity should not exist.
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20 (L/B) - 22 (B) : Approx 5V
21 (L/R) - 22 (B) : Approx 5V
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AUDIO
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Speed Sensitive Volume System Does Not Work (With Casette Deck) EKS00EJ4
1. VEHICLE SPEED OPERATION CHECK
Does speedometer is operated normally?
Ye s o r N o
Ye s > > G O T O 2 .
No >> Check combination meter trouble diagnosis. Refer toDI-26, "
Vehicle Speed Signal Inspection [with
ESP]" in “COMBINATION METERS”.
2. VEHICLE SPEED SIGNAL CHECK
1. Start engine and drive vehicle at more than 40 km/h (25MPH).
2. Check the signal between audio unit harness connector M41
terminal 22 (L/W) and ground with CONSULT-ll or oscilloscope.
OK or NG
OK >> Replace audio unit.
NG >> GO TO 3.
3. HARNESS CHECK
1. Turn the ignition switch OFF.
2. Disconnect audio unit connector and combination meter con-
nector.
3. Check continuity between audio unit harness connector M41 ter-
minal 22 (L/W) and Unified meter control unit harness connector
M44 terminal 33 (L/W).
4. Check continuity between audio unit harness connector M42 ter-
minal 22 (L/W) and ground.
OK or NG
OK >> Check combination meter system. Refer to DI-20, "Diagnosis Flow" in “COMBINATION
METERS”.
NG >>

Check connector housings for disconnected or loose terminals.

Repair harness or connector. 22 (L/W) – Ground :Refer to AV- 2 9 , "
Te r m i n a l s
and Reference Value for
Audio Unit With Casette
Deck"
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22 (L/W) - 33 (L/W) Continuity should exist.
Continuity should not exist.
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AV-38
AUDIO

Removal and Installation of Audio unit (With Casette Deck)EKS00EKR
REMOVAL
1. Remove instrument cluster lid C. Refer to IP-11, "Removal and Installation" .
2. Remove screws (4) and connector, and remove audio unit.
3. Remove screws (8) and bracket.
INSTALLATION
Install in the reverse order removal.
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AUDIO
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Removal and Installation of Audio Unit (Without Casette Deck)EKS00ECQ
REMOVAL
1. Remove instrument cluster lid C. Refer to IP-11, "Removal and Installation" .
2. Remove screws (2) and remove audio unit.
3. Remove screws (4), and bracket.
INSTALLATION
Install in the reverse order removal.
Removal and Installation of SpeakersEKS00ECT
REMOVAL
1. Remove door finisher. Refer to EI-32, "Removal and Installation" .
2. Remove screws (3) and remove speakers.
INSTALLATION
Install in the reverse order of removal.
Removal and Installation of TweetersEKS00ECU
REMOVAL
1. Remove front speaker grille. Refer to IP-11, "Removal and Installation" .
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AV-40
AUDIO

2. Remove screws (2) and remove tweeters.
INSTALLATION
Install in the reverse order of removal.
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