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AV-70
TELEPHONE
Revision: November 20092006 QX56
28 (W/R)–Speed sig-
nal –– –
––
29 (R/W) –Microphone
power –– –
––
33 –Bluetooth
antenna sig-
nal Input
–– ––
Terminal
(Wire color) ItemSignal
input/
output Condition
Reference value
(Approx.) Example of symptom
+ – Ignition
switch Operation
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TELEPHONEAV-71
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Revision: November 2009 2006 QX56
Bluetooth Control Unit Self-Diagnosis FunctionEKS00GBP
The Bluetooth control unit has two diagnostic checks. The first diagnostic check is performed automatically
every ignition cycle during control unit initialization. The second diagnostic check is performed by the techni-
cian using the steering wheel audio control switches prior to trouble diagnosis.
BLUETOOTH CONTROL UNIT INITIALIZATION CHECKS
Internal control unit failure
Bluetooth antenna connection open or shorted
Steering wheel audio control switches (SEND/END) stuck closed
Vehicle speed pulse count
Microphone connection test (with playback to operator)
Bluetooth inquiry check
STARTING THE DIAGNOSTIC MODE
1. Turn ignition switch to ACC or ON.
2. Wait for the Bluetooth system to complete initialization and the Bluetooth ON indicator to stop flashing.
This may take up to 10 seconds.
3. Press and hold the steering wheel audio control switch SEND button for at least 5 seconds. The Bluetooth system will begin to
play a verbal prompt.
4. While the prompt is playing, momentarily press both the steering wheel audio control switches SEND and END buttons simulta-
neously. The Bluetooth system will sound a 5 second beep.
5. While the beep is sounding, momentarily press both the steering wheel audio control switches SEND and END buttons simulta-
neously again.
6. The Bluetooth system has now entered into the diagnostic mode. Results of the diagnostic checks will be verbalized to the
technician by the system.
WKIA4446E
WKIA4447E
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AV-72
TELEPHONE
Revision: November 20092006 QX56
Power Supply and Ground Circuit Check for Bluetooth Control UnitEKS00GBQ
1. CHECK FUSES
Make sure the following fuses for the Bluetooth control unit are not blown.
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to PG-
4, "POWER SUPPLY ROUTING CIRCUIT" .
2. CHECK POWER SUPPLY CIRCUIT
1. Disconnect Bluetooth control unit connector B141.
2. Check voltage between connector terminals and ground as fol- lows.
OK or NG
OK >> GO TO 3.
NG >> Check harness for open between Bluetooth control unit and fuse.
3. CHECK GROUND CIRCUITS
1. Turn ignition switch OFF.
2. Check continuity between the following Bluetooth control unit terminals and ground.
OK or NG
OK >> Inspection End.
NG >> Repair or replace harness.
Terminals Ignition SwitchFuse No.
Connector Terminal
B141 1
All positions31
2 ACC/ON4
3 ON/START12
Terminals Ignition switch position
(+) (– )OFFACC ON
Connector Terminal
B141 1
Ground Battery
voltage Battery
voltage Battery
voltage
20 VBattery
voltage Battery
voltage
30 V0V Battery
voltage
WKIA4389E
Terminals Continuity
Connector Terminal—
B141 4
Ground Yes
21
WKIA4556E
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TELEPHONEAV-73
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Revision: November 2009 2006 QX56
Removal and InstallationEKS00GBR
BLUETOOTH CONTROL UNIT
Removal
1. Disconnect battery negative terminal.
2. Remove front passenger seat. Refer to SE-91, "
FRONT SEAT" .
3. Remove Bluetooth control unit kick shield screws (A) and remove bluetooth control unit kick shield (1).
4. Disconnect Bluetooth control unit harness connectors.
5. Remove Bluetooth control unit screws (B).
6. Remove Bluetooth control unit (2) from bluetooth control unit bracket.
Installation
Installation is in the reverse order of removal.
NOTE:
When replacing bluetooth control unit, Perform pairing procedure. Refer to Owner's Manual Pairing Proce-
dure.
BLUETOOTH ON INDICATOR
Removal
CAUTION:
To avoid damage use care when removing console finisher.
Sunroof switch (2).
Microphone (3).
Front personal/map lamp LH (4).
Interior lamp switch (5).
Front personal/map lamp RH (6).
1. Remove console assembly, roof finisher.
2. Release Bluetooth ON indicator tabs.
3. Disconnect Bluetooth ON indicator connector.
4. Remove Bluetooth ON indicator (1).
Installation
Installation is in the reverse order of removal.
MICROPHONE
Removal
CAUTION:
To avoid damage use care when removing console finisher.
Bluetooth on indicator (1).
Sunroof switch (2).
LKIA0681E
LKIA0667E