Nissan Teana J32. Instruction — part 145
AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
AV-435
< FUNCTION DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
FRONT DISP CONN [U1243]
When either one of the following items is
detected:
• display unit power supply and ground cir-
cuits are malfunctioning.
• serial communication circuits between
display unit and AV control unit are mal-
functioning.
• serial communication signal between
display unit and AV control unit is mal-
functioning.
• Display unit power supply and ground
circuits.
Refer to
.
• Serial communication circuits between
display unit and AV control unit
CAMERA CONT. CONN [U1250]
Camera connection recognition signal cir-
cuit malfunction is detected.
Camera connection recognition signal cir-
cuit.
Refer to
.
CENTER SP OPEN [U1260]
Sound signal center speaker circuit is
open.
Check sound signal center speaker circuit.
CENTER SP SHORT [U1261]
Sound signal center speaker circuit is
shorted between center speaker signal (+)
and center speaker signal (-).
Check sound signal center speaker circuit.
CENTER SP GND-SHORT [U1262]
Sound signal center speaker circuit to
ground is shorted.
Check sound signal center speaker circuit.
CENTER SP VB-SHORT [U1263]
Sound signal center speaker circuit to bat-
tery is shorted.
Check sound signal center speaker circuit.
FR-DOOR SP OPEN [U1264]
Sound signal front speaker RH circuit is
open.
Check sound signal front speaker RH cir-
cuit.
FR-DOOR SP SHORT [U1265]
Sound signal front speaker RH circuit is
shorted between front speaker RH signal
(+) and front speaker RH signal (-).
Check sound signal front speaker RH cir-
cuit.
FR-DOOR SP GND-SHORT [U1266]
Sound signal front speaker RH circuit to
ground is shorted.
Check sound signal front speaker RH cir-
cuit.
FR-DOOR SP VB-SHORT [U1267]
Sound signal front speaker RH circuit to
battery is shorted.
Check sound signal front speaker RH cir-
cuit.
RR-SP/FR-WOOFER OPEN [U1268]
Sound signal rear speaker LH circuit is
open.
Check sound signal rear speaker LH circuit.
RR-SP/FR-WOOFER SHORT [U1269]
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.
RR-SP/FR-WOOFER GND-SHORT
[U126A]
Sound signal rear speaker LH circuit to
ground is shorted.
Check sound signal rear speaker LH circuit.
RR-SP/FR-WOOFER VB-SHORT [U126B]
Sound signal rear speaker LH circuit to bat-
tery is shorted.
Check sound signal rear speaker LH circuit.
RR-SURROUND SP OPEN [U126C]
Sound signal woofer RH circuit is open.
Check sound signal woofer RH circuit.
RR-SURROUND SP SHORT [U126D]
Sound signal woofer RH circuit is shorted
between woofer RH signal (+) and woofer
RH signal (-).
Check sound signal woofer RH circuit.
RR-SURROUND SP GND-SHORT
[U126E]
Sound signal woofer RH circuit to ground is
shorted.
Check sound signal woofer RH circuit.
RR-SURROUND SP VB-SHORT [U126F]
Sound signal woofer RH circuit to battery is
shorted.
Check sound signal woofer RH circuit.
RL-SURROUND SP OPEN [U1274]
Sound signal woofer LH circuit is open.
Check sound signal woofer LH circuit.
RL-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.
RL-SURROUND SP GND-SHORT [U1276]
Sound signal woofer LH circuit to ground is
shorted.
Check sound signal woofer LH circuit.
Error item
Detection logic
Possible malfunction factor/Action to take
AV-436
< FUNCTION DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
RL-SURROUND SP VB-SHORT [U1277]
Sound signal woofer LH circuit to battery is
shorted.
Check sound signal woofer LH circuit.
RL-SP/FL-WOOFER OPEN [U1278]
Sound signal rear speaker LH circuit is
open.
Check sound signal rear speaker LH circuit.
RL-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.
RL-SP/FL-WOOFER GND-SHORT
[U127A]
Sound signal rear speaker LH circuit to
ground is shorted.
Check sound signal rear speaker LH circuit.
RL-SP/FL-WOOFER VB-SHORT [U127B]
Sound signal rear speaker LH circuit to bat-
tery is shorted.
Check sound signal rear speaker LH circuit.
FL-DOOR SP OPEN [U127C]
Sound signal front speaker LH circuit is
open.
Check sound signal front speaker LH cir-
cuit.
FL-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 cir-
cuit.
FL-DOOR SP GND-SHORT [U127E]
Sound signal front speaker LH circuit to
ground is shorted.
Check sound signal front speaker LH cir-
cuit.
FL-DOOR SP VB-SHORT [U127F]
Sound signal front speaker LH circuit to
battery is shorted.
Check sound signal front speaker LH cir-
cuit.
FR-TWEETER OPEN [U1294]
Sound signal front squawker RH circuit is
open.
Check sound signal front squawker RH cir-
cuit.
FR-TWEETER SHORT [U1295]
Sound signal front squawker RH circuit is
shorted between front squawker RH signal
(+) and front squawker RH signal (-).
Check sound signal front squawker RH cir-
cuit.
FR-TWEETER GND-SHORT [U1296]
Sound signal front squawker RH circuit to
ground is shorted.
Check sound signal front squawker RH cir-
cuit.
FR-TWEETER VB-SHORT [U1297]
Sound signal front squawker RH circuit to
battery is shorted.
Check sound signal front squawker RH cir-
cuit.
FL-TWEETER OPEN [U1298]
Sound signal front squawker LH circuit is
open.
Check sound signal front squawker LH cir-
cuit.
FL-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 cir-
cuit.
FL-TWEETER GND-SHORT [U129A]
Sound signal front squawker LH circuit to
ground is shorted.
Check sound signal front squawker LH cir-
cuit.
FL-TWEETER VB-SHORT [U129B]
Sound signal front squawker LH circuit to
battery is shorted.
Check sound signal front squawker LH cir-
cuit.
GPS ANTENNA CONN [U12A0]
GPS antenna connection malfunction is de-
tected.
GPS antenna.
Refer to
NAVI INTERNAL ERR [U12A1]
NAVI control unit malfunction is detected.
Replace the NAVI control unit.
Refer to
AV-649, "Removal and Installa-
.
BT ANTENNA CONN [U12A2]
TEL antenna connection malfunction is de-
tected.
TEL antenna.
Refer to
• AV COMM CIRCUIT [U1300]
• SWITCH CONN [U1240]
When either one of the following items is
detected:
• multifunction switch power supply and
ground circuits are malfunctioning.
• AV communication circuits between AV
control unit and multifunction switch are
malfunctioning.
• AV communication signal between AV
control unit and multifunction switch is
malfunctioning.
• Multifunction switch power supply and
ground circuits.
Refer to
.
• AV communication circuits between AV
control unit and multifunction switch.
Error item
Detection logic
Possible malfunction factor/Action to take
AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
AV-437
< FUNCTION DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
• AV COMM CIRCUIT [U1300]
• DVD DECK CONN [U1248]
When either one of the following items is
detected:
• DVD player power supply and ground cir-
cuits are malfunctioning.
• AV communication circuits between
BOSE amp. and DVD player are mal-
functioning.
• AV communication signal between AV
control unit and DVD player is malfunc-
tioning.
• DVD player power supply and ground cir-
cuits.
Refer to
.
• AV communication circuits between
BOSE amp. and DVD player.
• AV COMM CIRCUIT [U1300]
• AMP CONN [U124E]
When either one of the following items is
detected:
• BOSE amp. power supply and ground
circuits are malfunctioning.
• AV communication signal between AV
control unit and BOSE amp. is malfunc-
tioning
BOSE amp. power supply and ground cir-
cuits.
Refer to
AV-466, "BOSE AMP. : Diagnosis
.
• AV COMM CIRCUIT [U1300]
• REAR-CAMERA LAN CONN [U1252]
When either one of the following items is
detected:
• camera control unit power supply and
ground circuits are malfunctioning.
• AV communication signal between AV
control unit and camera control unit is
malfunctioning.
Camera control unit power supply and
ground circuits.
Refer to
• AV COMM CIRCUIT [U1300]
• DVD NAVI CONN [U125D]
NAVI control unit power supply and ground
circuits are malfunctioning.
NAVI control unit power supply and ground
circuits.
Refer to
.
• AV COMM CIRCUIT [U1300]
• DVD DECK CONN [U1248]
• AMP CONN [U124E]
When either one of the following items is
detected:
• AV communication circuits between
NAVI control unit and BOSE amp is mal-
functioning.
• AV communication signal between AV
control unit and BOSE amp. is maifunc-
tioning.
AV communication circuits between NAVI
control unit and BOSE amp.
• AV COMM CIRCUIT [U1300]
• DVD DECK CONN [U1248]
• AMP CONN [U124E]
• DVD NAVI CONN [U125D]
When either one of the following items is
detected:
• AV communication circuits between cam-
era control unit and NAVI control unit is
malfunctioning.
• AV communication signal between AV
control unit and NAVI control unit is mal-
functioning.
AV communication circuits between cam-
era control unit and NAVI control unit.
Error item
Detection logic
Possible malfunction factor/Action to take
AV-438
< FUNCTION DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
DATA MONITOR
ALL SIGNALS
• Displays the status of the following vehicle signals inputted to the AV control unit.
• For each signal, actual signal can be compared with the condition recognized on the system.
SELECTION FROM MENU
Allows the technician to select which vehicle signals should be displayed and displays the status of the
selected vehicle signals.
• AV COMM CIRCUIT [U1300]
• DVD DECK CONN [U1248]
• AMP CONN [U124E]
• REAR-CAMERA LAN CONN [U1252]
• DVD NAVI CONN [U125D]
With rear control switch
When either one of the following items is
detected:
• malfunction is detected in AV communi-
cation circuits between rear control
switch and camera control unit.
• malfunction is detected in AV communi-
cation circuits between camera control
unit and NAVI control unit.
• AV communication circuits between mul-
tifunction switch and rear control switch.
• AV communication circuits between rear
control switch and camera control unit.
Without rear control switch
When either one of the following items is
detected:
• malfunction is detected in AV communi-
cation circuits between multifunction
switch and camera control unit.
• malfunction is detected in AV communi-
cation circuits between camera control
unit and NAVI control unit.
AV communication circuits between multi-
function switch and camera control unit.
• AV COMM CIRCUIT [U1300]
• SWITCH CONN [U1240]
• DVD DECK CONN [U1248]
• AMP CONN [U124E]
• REAR-CAMERA LAN CONN [U1252]
• DVD NAVI CONN [U125D]
When either one of the following items is
detected:
• AV communication circuits between AV
control unit and multifunction switch are
malfunctioning.
• AV communication signal between AV
control unit and multifunction switch is
malfunctioning.
AV communication circuits between AV
control unit and multifunction switch.
Error item
Detection logic
Possible malfunction factor/Action to take
Display Item
Dis-
play
Vehicle status
Remarks
VHCL SPD SIG
On
Vehicle speed >0 km/h (0 MPH)
Changes in indication may be delayed. This is nor-
mal.
Off
Vehicle speed =0 km/h (0 MPH)
PKB SIG
On
Parking brake is applied.
Off
Parking brake is released.
ILLUM SIG
On
Light switch ON.
—
Off
Light switch OFF.
IGN SIG
On
Ignition switch ON.
Off
Ignition switch in ACC position.
REV SIG
On
Selector lever in R position.
Changes in indication may be delayed. This is nor-
mal.
Off
Selector lever in any position other
than R.
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