2009 NISSAN LATIO turn signal

AUDIO
AV-33
< SERVICE INFORMATION >
C
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OK or NG OK >> GO TO 2.
NG >> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector. 2.
FRONT SPEAKER SIGNAL CHECK
1. Connect audio unit connector, front door speaker connector and tweeter connector.
2. Turn ignition switch to ACC.
3. Push “POWER” switch.
4. Check the signal between audio unit connector terminals with CONSULT-III or oscilloscope.
OK or NG OK >> Replace front speaker. Refer to
AV-37, " Removal and
Installation " .
NG >> Replace audio unit. Refer to AV-37, " Removal and
Installation " .
Sound Is Not Heard from Rear Door Sp eaker (Mid Level and Premium System)
INFOID:00000000043069771.
HARNESS CHECK
1. Disconnect audio unit connector and rear door speaker connector. Terminals
Continuity
Audio unit
—
Connector Terminal
M43 2
Ground No
3
11
12 Terminals
Condi-tion Reference
signal
(+) (-)
Con-
nector Termi-
nal Con-
nector Termi-
nal
M51 2
M51 3
Receive
audio
signal
11 12 WKIA5352ESKIA0177E

AV-34< SERVICE INFORMATION >
AUDIO
2. Check continuity between audio unit harness connector terminal and speaker harness connector terminal.
3. Check continuity between audio unit harness connector terminal and ground.
OK or NG OK >> GO TO 2.
NG >> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector. 2.
REAR SPEAKER SIGNAL CHECK
1. Connect audio unit connector and rear door speaker connector.
2. Turn ignition switch to ACC.
3. Push “POWER” switch.
4. Check the signal between audio unit harness connector termi-
nals with CONSULT-III or oscilloscope.
OK or NG OK >> Replace speaker. Refer to
AV-37, " Removal and Instal-
lation " .
NG >> Replace audio unit. Refer to AV-37, " Removal and
Installation " .
Terminals
Continuity
Audio unit Speaker
Connector Terminal Connector Terminal
M43 4
D207 +
Yes
5 -
13 D307 +
14 -
Terminals Continuity
Audio unit
—
Connector Terminal
M43 4
Ground No
5
13
14 WKIA5353E
Terminals
Condi-tion Reference
signal
(+) (-)
Con- nec- tor Termi-
nal Con-
nec- tor Termi-
nal
M43 5
M43 4
Re-
ceive
audio
signal
14 13 WKIA5354ESKIA0177E

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tooth cellular telephones may not be recognized by t
he Bluetooth control unit. When a cellular telephone or
the Bluetooth control unit is replaced, the telephone must be paired with the Bluetooth control unit. Different
cellular telephones may have different pairing procedures. Refer to the cellular telephone operating manual.
Bluetooth Telephone System Diagram
Bluetooth Control Unit When the ignition switch is turned to ACC or ON, the Bluetooth control unit will power up. During power up, the
Bluetooth control unit is initialized and performs various self checks. Initialization may take up to 10 seconds.
During this time the Bluetooth ON indicator will flash until initialization is complete. If a phone is present in the
vehicle and paired with the Bluetooth control unit, NIS SAN Voice Recognition will then become active and the
Bluetooth ON indicator will remain on. Bluetooth te lephone functions can be turned off using the NISSAN
Voice Recognition system. For Bluetooth control unit location, refer to AV-44, " Component Parts and Harness
Connector Location " .
Steering Wheel Audio Control Switches When buttons on the steering wheel audio control switch are pushed, the resistance in steering wheel audio
control switch circuit changes depending on which button is pushed. The Bluetooth control module uses this
signal to perform various functions while navigating through the voice recognition system.
The following functions can be performed usi ng the steering wheel audio control switch:
• Initiate Self Diagnosis of the Bluetooth telephone system
• Start a voice recognition session
• Answer and end telephone calls
• Adjust the volume of calls
• Record memos
Volume Switch Call volume can be adjusted using the audio unit volume switch.
Bluetooth Microphone The Bluetooth microphone is located in the roof c onsole assembly. The Bluetooth microphone sends a signal
to the Bluetooth control unit. The Bluetooth microphone can be actively tested during self-diagnosis. For Blue-
tooth microphone location, refer to AV-44, " Component Parts and Harness Connector Location " .
Bluetooth ON Indicator The Bluetooth ON indicator is located in the overhead console. The indicator will flash during power up while
the Bluetooth control unit is initializing. This process may take up to 10 seconds. If a phone is present in the
vehicle and paired with the Bluetooth control unit, the indi cator will remain on to indicate that the system is
ready for voice commands. The indicator flashes duri ng self-diagnosis. For Bluetooth ON indicator location,
refer to AV-44, " Component Parts and Harness Connector Location " .
Audio Unit The audio unit receives signals from the Bluetooth control unit and sends audio signals to the speakers.

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BCM (BODY CONTROL MODULE)
System Description INFOID:0000000004306833
BCM (body control module) controls the operation of various electrical units installed on the vehicle.
BCM FUNCTION BCM has a combination switch reading function for reading the operation of combination switches (light, wiper,
washer, turn signal) in addition to the function for c ontrolling the operation of various electrical components.
Also, it functions as an interface that receives signal s from the front air control, and sends signals to ECM
using CAN communication.
COMBINATION SWITCH READING FUNCTION 1. Description • BCM reads combination switch (light, wiper) status , and controls various electrical components accord-
ing to the results.
• BCM reads information of a maximum of 20 switches by combining five output terminals (OUTPUT 1-5)
and five input terminals (INPUT 1-5).
2. Operation description • BCM activates transistors of output terminals (OUTPUT 1-5) periodically and allows current to flow in
turn.
• If any (1 or more) of the switches are turned ON, circuit of output terminals (OUTPUT 1-5) and input ter-
minals (INPUT 1-5) becomes active.
• At this time, transistors of output terminals (OUTPUT 1-5) are activated to allow current to flow. When
voltage of input terminals (INPUT 1-5) corresponding to that switch changes, interface in BCM detects
voltage change and BCM determines that switch is ON.
3. BCM - Operation table of combination switch • BCM reads operation status of combination switch by the combination shown in the following table.

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Normal status
• When BCM is not in sleep status, OUTPUT te rminals (1-5) each turn ON-OFF every 10ms.
Sleep status
• When BCM is in sleep mode, transistors of OUTP UT 1 and 5 stop the output, and BCM enters low-cur-
rent-consumption mode. OUTPUTS (2, 3, and 4) turn ON-OFF at 60ms intervals, and receives lighting
switch input only.
CAN COMMUNICATION CONTROL CAN communication allows a high rate of information through the two communication lines (CAN-L, CAN-H)
connecting the various control units in the system. Each control unit transmits/receives data, but selectively
reads required data only.
BCM STATUS CONTROL BCM changes its status depending on the operation stat us in order to save power consumption.
1. CAN communication status • With ignition switch ON, CAN communicates with other control units normally.
• Control by BCM is being operated properly.
• When ignition switch is OFF, switching to sleep mode is possible.
• Even when ignition switch is OFF, if CAN co mmunication with IPDM E/R and combination meter is
active, CAN communication status is active.
2. Sleep transient status • This status shuts down CAN communication when ignition switch is turned OFF.
• It transmits sleep request signal to IPDM E/R and combination meter.
• Two seconds after CAN communication of all control units stops, CAN communication switches to inac-
tive status.
3. CAN communication inactive status • With ignition switch OFF, CAN communication is not active.
• With ignition switch OFF, control performed only by BCM is active.
• Three seconds after CAN communication of all cont rol units stops, CAN communication switches to
inactive status.
4. Sleep status • BCM is activated with low current consumption mode.
• CAN communication is not active.

System Description " .
• Remote keyless entry system. Refer to BL-58, " System Description " .
• Power window system (with power windows). Refer to GW-19, " System Description " .
NOTE
• Sunroof system (with sunroof). Refer to RF-11, " System Description " .
NOTE
• Room lamp timer. Refer to LT-91, " System Description " .
• Rear wiper and washer system (Hatchback). Refer to WW-25, " System Description " .
NOTE:
Power supply only. No system control.
SYSTEMS CONTROLLED BY BCM AND IPDM E/R
• Panic system. Refer to BL-58, " System Description " .
• Vehicle security (theft warning) system. Refer to BL-219, " System Description " .
• NVIS(NATS) system. Refer to BL-248, " System Description " .
• Headlamp, tail lamp and battery saver control systems. Refer to LT-73, " System Description " ,
LT-4, " System
Description " or
LT-25, " System Description " .
• Front fog lamp (with front fog lamps). Refer to LT-39, " System Description " .
• Front wiper and washer system. Refer to WW-3, " System Description " .
• Rear window defogger system. Refer to GW-51, " System Description " .
SYSTEMS CONTROLLED BY BCM AND COMBINATION METER
• Warning chime. Refer to DI-42, " System Description " .
• Turn signal and hazard warning lamps. Refer to LT-48, " System Description " .
SYSTEMS CONTROLLED BY BCM AND INTELLIGENT KEY UNIT (WITH INTELLIGENT KEY)
• Intelligent Key system. Refer to BL-88, " System Description " .
MAJOR COMPONENTS AND CONTROL SYSTEM
System Input Output
Remote keyless entry system (with
power door locks) Remote keyless entry receiver
(keyfob) • All door locking actuators
• Turn signal lamp (LH, RH)
• Combination meter (turn signal lamp)
Intelligent Key system (with Intelligent
Key) Intelligent Key unit• All door locking actuators
• Turn signal lamp (LH, RH)
• Combination meter (turn signal lamp)
Power door lock system (with power
door locks) Front power door lock/unlock
switch (LH, RH) All door locking actuators
Power supply (IGN/RAP) to power
window (with power windows) Ignition retained power supply Power supply to power window and sunroof system
Power supply (BAT) to power window
(with power windows) Battery power supply Power supply to power window and sunroof system

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CAN Communication System Description INFOID:0000000004306834
Refer to LAN-8, " System Description " .
Panic alarm
• Key switch
• Keyfob IPDM E/R
Vehicle security system • All door switches
• Keyfob
• Door lock/unlock switch
• Trunk key cylinder switch (Se-
dan)
• Front door key cylinder switch LH • IPDM/ER
• Security indicator lamp
Battery saver control • Ignition switch
• Combination switch IPDM E/R
Headlamp Combination switch IPDM E/R
Tail lamp Combination switch IPDM E/R
Front fog lamp (with front fog lamps) Combination switch IPDM E/R
Turn signal lamp Combination switch • Turn signal lamp
• Combination meter
Hazard lamp Hazard switch • Turn signal lamp
• Combination meter
Room lamp timer • Key switch
• Keyfob
• Main power window and door lock/unlock switch
• Front door switch LH
• All door switch Interior room lamp
Back door switch signal (Hatchback) Back door lock assembly Luggage room lamp
Back door lock signal (Hatchback) Back door lock assembly Back door opener
Trunk lamp switch signal (Sedan) Trunk lamp switch and trunk re-
lease solenoid Luggage room lamp
Trunk lid opener signal (Sedan) Trunk lamp switch and trunk re-
lease solenoid Trunk lid opener
Key warning chime • Key switch
• Front door switch LH Combination meter (warning buzzer)
Light warning chime • Combination switch
• Key switch
• Front door switch LH Combination meter (warning buzzer)
Seat belt warning chime • Seat belt buckle switch LH
• Ignition switch Combination meter (warning buzzer)
Front wiper and washer system • Combination switch
• Ignition switch IPDM E/R
Rear window defogger Rear window defogger switch IPDM E/R
Rear wiper and washer system
(Hatchback) • Combination switch
• Ignition switch Rear wiper motor
A/C switch signal Front air control ECM
Blower fan switch signal Front air control ECM
A/C indicator signal Front air control A/C indicator
Low tire pressure warning system Remote keyless entry receiver Combination meter System Input Output

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Terminal and Reference Value for BCM
INFOID:0000000004306837
Terminal Wire
color Signal name Signal
input/
output Measuring condition
Reference value or waveform
(Approx.)
Ignition
switch Operation or condition
2 BR Combination switch
input 5 Input ONLighting, turn, wiper OFF
Wiper dial position 4
3 GR Combination switch
input 4 Input ONLighting, turn, wiper OFF
Wiper dial position 4
4 L Combination switch
input 3 Input ONLighting, turn, wiper OFF
Wiper dial position 4
5 G Combination switch
input 2
Input ONLighting, turn, wiper OFF
Wiper dial position 4
6 V Combination switch
input 1
7 7
BRFront door key cylin-
der switch LH (unlock) Input
OFFON (open, 2nd turn) Momentary 1.5V
OFF (closed) 0V
8 7
YFront door key cylin-
der switch LH (lock) InputOn (open) Momentary 1.5V
OFF (closed) 0V
9 W Rear window defogger
switch Input ONRear window defogger switch
ON 0V
Rear window defogger switch
OFF 5V
11 L Ignition switch (ACC
or ON) InputACC or
ON Ignition switch ACC or ON Battery voltage
12 SB Front door switch RH Input OFF ON (open) 0V
OFF (closed) Battery voltage
13 GR Rear door switch RH Input OFF ON (open) 0V
OFF (closed) Battery voltage
15 W Tire pressure warning
check connector Input OFF — 5V