2008 NISSAN TEANA ignition

AV-454
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
U1274, U1275, U1276, U1277 REAR LEFT SQUAWKER/LEFT WOOFER
U1274, U1275, U1276, U1277 REAR LEFT SQUAWKER/LEFT WOOFER
DescriptionINFOID:0000000003901443
DTC LogicINFOID:0000000003901444
DTC DETECTION LOGIC
Diagnosis ProcedureINFOID:0000000003901445
1.PERFORM THE SELF-DIAGNOSIS
1. Delete the self-diagnosis results. Turn ignition switch OFF.
2. Turn ignition switch ON. perform the self-diagnosis again.
3. Check that the DTC is detected again.
Is any DTC detected?
YES >> Repair sound signal woofer LH circuit harness or connector.
NO >> Refer to GI section. Refer to GI-35, "
Intermittent Incident".
Part name Description
REAR RIGHT SQUAWKER Outputs sound signal from BOSE amp.
 Outputs sound (high and mid range).
RIGHT WOOFER Outputs sound signal from BOSE amp.
 Outputs low frequency sound.
DTCDisplay contents of
CONSULT-IIIDTC Detection Condition Possible causes
U1274RL-SURROUND SP
OPEN [U1274]Sound signal woofer LH circuit is open. Check sound signal woofer LH circuit.
U1275RL-SURROUND SP
SHORT [U1275]Sound signal woofer LH circuit is shorted between woofer
LH signal (+) and woofer LH signal (-).Check sound signal woofer LH circuit.
U1276RL-SURROUND SP
GND- SHORT [U1276]Sound signal woofer LH circuit to ground is shorted. Check sound signal woofer LH circuit.
U1277RL-SURROUND SP
VB-SHORT [U1277]Sound signal woofer LH circuit to battery is shorted. Check sound signal woofer LH circuit.

AV
U1278, U1279, U127A, U127B REAR LEFT DOOR SPEAKER
AV-455
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
L
MB A
O
P
U1278, U1279, U127A, U127B REAR LEFT DOOR SPEAKER
DescriptionINFOID:0000000003901450
DTC LogicINFOID:0000000003901451
DTC DETECTION LOGIC
Diagnosis ProcedureINFOID:0000000003901452
1.PERFORM THE SELF-DIAGNOSIS
1. Delete the self-diagnosis results. Turn ignition switch OFF.
2. Turn ignition switch ON. perform the self-diagnosis again.
3. Check that the DTC is detected again.
Is any DTC detected?
YES >> Repair sound signal rear speaker LH circuit harness or connector.
NO >> Refer to GI section. Refer to GI-35, "
Intermittent Incident".
Part name Description
REAR LEFT DOOR SPEAKER Outputs sound signal from BOSE amp.
 Outputs sound (mid and low range).
DTCDisplay contents of
CONSULT-IIIDTC Detection Condition Possible causes
U1278RL- SP/FL-WOOFER
OPEN [U1278]Sound signal rear speaker LH circuit is open.Check sound signal rear speaker LH
circuit.
U1279RL- SP/FL-WOOFER
SHORT [U1279]Sound signal rear speaker LH circuit is shorted between
rear speaker LH signal (+) and rear speaker LH signal (-).Check sound signal rear speaker LH
circuit.
U127ARL- SP/FL-WOOFER
GND- SHORT [U127A]Sound signal rear speaker LH circuit to ground is shorted.Check sound signal rear speaker LH
circuit.
U127BRL- SP/FL-WOOFER
VB-SHORT [U127B]Sound signal rear speaker LH circuit to battery is shorted.Check sound signal rear speaker LH
circuit.

AV-456
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
U127C, U127D, U127E, U127F FRONT LEFT DOOR SPEAKER
U127C, U127D, U127E, U127F FRONT LEFT DOOR SPEAKER
DescriptionINFOID:0000000003901474
DTC LogicINFOID:0000000003901475
DTC DETECTION LOGIC
Diagnosis ProcedureINFOID:0000000003901476
1.PERFORM THE SELF-DIAGNOSIS
1. Delete the self-diagnosis results. Turn ignition switch OFF.
2. Turn ignition switch ON. perform the self-diagnosis again.
3. Check that the DTC is detected again.
Is any DTC detected?
YES >> Repair sound signal front speaker LH circuit harness or connector.
NO >> Refer to GI section. Refer to GI-35, "
Intermittent Incident".
Part name Description
FRONT LEFT DOOR SPEAKER Outputs sound signal from BOSE amp.
 Outputs sound (mid and low range).
DTCDisplay contents of
CONSULT-IIIDTC Detection Condition Possible causes
U127CFL- DOOR SP OPEN
[U127C]Sound signal front speaker LH circuit is open.Check sound signal front speaker LH
circuit.
U127DFL- DOOR SP SHORT
[U127D]Sound signal front speaker LH circuit is shorted between
front speaker LH signal (+) and front speaker LH signal (-).Check sound signal front speaker LH
circuit.
U127EFL- DOOR SP GND-
SHORT [U127E]Sound signal front speaker LH circuit to ground is shorted.Check sound signal front speaker LH
circuit.
U127FFL- DOOR SP VB-
SHORT [U127F]Sound signal front speaker LH circuit to battery is shorted.Check sound signal front speaker LH
circuit.

AV
U1294, U1295, U1296, U1297 FRONT RIGHT SQUAWKER
AV-457
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
L
MB A
O
P
U1294, U1295, U1296, U1297 FRONT RIGHT SQUAWKER
DescriptionINFOID:0000000003901488
DTC LogicINFOID:0000000003901489
DTC DETECTION LOGIC
Diagnosis ProcedureINFOID:0000000003901490
1.PERFORM THE SELF-DIAGNOSIS
1. Delete the self-diagnosis results. Turn ignition switch OFF.
2. Turn ignition switch ON. perform the self-diagnosis again.
3. Check that the DTC is detected again.
Is any DTC detected?
YES >> Repair sound signal front squawker RH circuit harness or connector.
NO >> Refer to GI section. Refer to GI-35, "
Intermittent Incident".
Part name Description
FRONT RIGHT SQUAWKER Outputs sound signal from BOSE amp.
 Outputs sound (high and mid range).
DTCDisplay contents of
CONSULT-IIIDTC Detection Condition Possible causes
U1294FR-TWEETER OPEN
[U1294]Sound signal front squawker RH circuit is open.Check sound signal front squawker
RH circuit.
U1295FR-TWEETER SHORT
[U1295]Sound signal front squawker RH circuit is shorted be-
tween front squawker RH signal (+) and front squawker
RH signal (-).Check sound signal front squawker
RH circuit.
U1296FR-TWEETER GND-
SHORT [U1296]Sound signal front squawker RH circuit to ground is short-
ed.Check sound signal front squawker
RH circuit.
U1297FR-TWEETER VB-
SHORT [U1297]Sound signal front squawker RH circuit to battery is short-
ed.Check sound signal front squawker
RH circuit.

AV-458
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
U1298, U1299, U129A, U129B FRONT LEFT SQUAWKER
U1298, U1299, U129A, U129B FRONT LEFT SQUAWKER
DescriptionINFOID:0000000003901535
DTC LogicINFOID:0000000003901536
DTC DETECTION LOGIC
Diagnosis ProcedureINFOID:0000000003901537
1.PERFORM THE SELF-DIAGNOSIS
1. Delete the self-diagnosis results. Turn ignition switch OFF.
2. Turn ignition switch ON. perform the self-diagnosis again.
3. Check that the DTC is detected again.
Is any DTC detected?
YES >> Repair sound signal front squawker LH circuit harness or connector.
NO >> Refer to GI section. Refer to GI-35, "
Intermittent Incident".
Part name Description
FRONT LEFT SQUAWKER Outputs sound signal from BOSE amp.
 Outputs sound (high and mid range).
DTCDisplay contents of
CONSULT-IIIDTC Detection Condition Possible causes
U1298FR-TWEETER OPEN
[U1298]Sound signal front squawker LH circuit is open.Check sound signal front squawker
LH circuit.
U1299FR-TWEETER SHORT
[U1299]Sound signal front squawker LH circuit is shorted between
front squawker LH signal (+) and front squawker LH signal
(-).Check sound signal front squawker
LH circuit.
U129AFR-TWEETER GND-
SHORT [U129A]Sound signal front squawker LH circuit to ground is short-
ed.Check sound signal front squawker
LH circuit.
U129BFR-TWEETER VB-
SHORT [U129B]Sound signal front squawker LH circuit to battery is short-
ed.Check sound signal front squawker
LH circuit.

AV
U12A0 GPS ANTENNA
AV-459
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
L
MB A
O
P
U12A0 GPS ANTENNA
DescriptionINFOID:0000000003765866
DTC LogicINFOID:0000000003765867
DTC DETECTION LOGIC
Diagnosis ProcedureINFOID:0000000003765868
1.GPS ANTENNA CHECK
Visually check GPS antenna and antenna feeder.
Is inspection result normal?
YES >> GO TO 2.
NO >> Repair malfunctioning parts.
2.CHECK NAVI CONTROL UNIT VOLTAGE
1. Turn ignition switch OFF.
2. Disconnect GPS antenna connector.
3. Turn ignition switch ON.
4. Check voltage between NAVI control unit terminal and ground.
Is inspection result normal?
YES >> Replace GPS antenna.
NO >> Replace NAVI control unit.
Part name Description
GPS ANTENNA GPS signal is received and transmitted to NAVI control unit.
DTCDisplay contents of
CONSULT-IIIDTC Detection Condition Possible causes
U12A0GPS ANTENNA CONN
[U12A0]GPS antenna connection malfunction is detected. GPS antenna.
(+)
(−)Voltag e
(Approx.) NAVI control unit
Connector Terminal
B474 49 Ground 5.0 V

AV
U12A2 TEL ANTENNA
AV-461
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
L
MB A
O
P
U12A2 TEL ANTENNA
DescriptionINFOID:0000000003765871
DTC LogicINFOID:0000000003765872
DTC DETECTION LOGIC
Diagnosis ProcedureINFOID:0000000003765873
1.TEL ANTENNA CHECK
Visually check TEL antenna and antenna feeder.
Is inspection result normal?
YES >> GO TO 2.
NO >> Repair malfunctioning parts.
2.CHECK NAVI CONTROL UNIT VOLTAGE
1. Turn ignition switch OFF.
2. Disconnect TEL antenna connector.
3. Turn ignition switch ON.
4. Check voltage between NAVI control unit terminal and ground.
Is inspection result normal?
YES >> Replace TEL antenna.
NO >> Replace NAVI control unit.
Part name Description
TEL ANTENNA TEL voice signal is received and transmitted to NAVI control unit.
DTCDisplay contents of
CONSULT-IIIDTC Detection Condition Possible causes
U12A2BT ANTENNA CONN
[U12A2]TEL antenna connection malfunction is detected. TEL antenna
(+)
(−)Voltag e
(Approx.) NAVI control unit
Connector Terminal
B475 51 Ground 3.3 V

AV-464
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
POWER SUPPLY AND GROUND CIRCUIT
POWER SUPPLY AND GROUND CIRCUIT
AV CONTROL UNIT
AV CONTROL UNIT : Diagnosis ProcedureINFOID:0000000003765895
1.CHECK FUSE
Check for blown fuses.
Is inspection result normal?
YES >> GO TO 2.
NO >> Be sure to eliminate cause of malfunction before installing new fuse.
2.CHECK POWER SUPPLY CIRCUIT
Check voltage between AV control unit harness connectors and ground.
Is inspection result normal?
YES >> GO TO 3.
NO >> Check harness between AV control unit and fuse.
3.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect AV control unit connectors.
3. Check continuity between AV control unit harness connectors and ground.
Is inspection result normal?
YES >> INSPECTION END
NO >> Repair harness or connector.
NAVI CONTROL UNIT
NAVI CONTROL UNIT : Diagnosis ProcedureINFOID:0000000003765896
1.CHECK FUSE
Check for blown fuses.
Is inspection result normal?
YES >> GO TO 2.
NO >> Be sure to eliminate cause of malfunction before installing new fuse.
Power source Fuse No.
Battery 31
Ignition switch ACC or ON 19
Ignition switch ON or START 4
Signal name Connector No. Terminal No. Ignition switch position Voltage (Approx.)
Battery power supply
M12719 OFF
Battery voltage ACC power supply 7 ACC
Ignition signal M131 104 ON
Signal name Connector No. Terminal No. Ignition switch position Continuity
GroundM127 20
OFF Existed
M131 85
Power source Fuse No.
Battery 31
Ignition switch ACC or ON 19