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TELEPHONE AV-179
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Revision: 2006 December 2006 FX35/FX45
TKWM4435E
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AV-180
TELEPHONE
Revision: 2006 December 2006 FX35/FX45
TKWM4436E
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TELEPHONE AV-181
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Revision: 2006 December 2006 FX35/FX45
TKWM4437E
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AV-182
TELEPHONE
Revision: 2006 December 2006 FX35/FX45
Terminals and Reference Value for TEL Adapter UnitNKS003IO
Te r m i n a l
(Wire color) Item Signal
input/
output Condition
Reference value
+– Ignition
switch Operation
1 (W/L) Ground Battery power supply Input OFF — Battery voltage 2 (LG) Ground ACC power supply Input ACC — Battery voltage
3 (W) Ground Ignition signal Input ON — Battery voltage4 (B) Ground Ground — ON — Approx. 0 V 6 — Shield — — — —
7 (R) 8 (B) MIC. signal Input ON Uttering in front of the
microphone while using the
hands-free phone system.
9 (P) 10 (L) TEL voice signal Output ON Receiving the party's voice
while using the hands-free
phone system.
11 (L/W) Ground TEL ON signal Output ON While using handsfree
phone system. Approx. 0 V
While not using handsfree
phone system. Approx. 5 V
12 (LG) Ground Remote control A Input ON Press switch
Approx. 0 V
Press SEEK UP switch Approx. 1.7 V
Press VOL UP switch Approx. 3.3 V
Except for above Approx. 5 V
13 (GY) Ground Remote control B Input ON Press switch
Approx. 0 V
Press SEEK DOWN switch Approx. 1.7 V
Press VOL DOWN switch Approx. 3.3 V
Except for above Approx. 5 V
14 (SB) Ground Remote control
ground — ON — Approx. 0 V
15 (PU) Ground Indicator signal Output ON Microphone indicator ON,
and lighting switch OFF Approx. 1.3 V
Microphone indicator ON,
and lighting switch ON Approx. 0.8 V
Microphone unit indicator
OFF Approx. 12 V
17 (R/W) Ground Remote control A Output ON Press switch
Approx. 0 V
Press SEEK UP switch Approx. 1.7 V
Press VOL UP switch Approx. 3.3 V
Except for above Approx. 5 V
PKIB5037J
SKIB3609E
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TELEPHONE AV-183
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Revision: 2006 December 2006 FX35/FX45
Self-Diagnosis FunctionNKS003IR
The followings are diagnosis functions performed by TEL adapter unit.
Performs the unit self −diagnosis and antenna diagnosis, and informs results with the indicator and voice
guidance.
Informs vehicle speed pulse count from the time of key switch ON with voice guidance, and enables to
check vehicle speed signal.
Outputs voice giving to microphone with speaker, and enables to check microphone function.
18 (G/W) Ground Remote control B Output ON Press switch
Approx. 0 V
Press SEEK DOWN switch Approx. 1.7 V
Press VOL DOWN switch Approx. 3.3 V
Except for above Approx. 5 V
19 (B/Y) Ground Remote control
ground — ON — Approx. 0 V
22 (B) Ground Ground — ON — Approx. 0 V
23 (B) Ground Ground — ON — Approx. 0 V
28 (G) Ground Vehicle
speed signal
(8-pulse) Input ON
When vehicle speed is
approx. 40 km/h (25 MPH)
29 (W) Ground MIC. VCC Output ON — Approx. 5 V 41 — TEL signal — — — — Terminal
(Wire color) Item Signal
input/
output Condition
Reference value
+– Ignition
switch Operation
SKIA6649J
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AV-184
TELEPHONE
Revision: 2006 December 2006 FX35/FX45
OPERATION PROCEDURE
1. Start the engine.
2. Press and hold switch for 5 seconds or more.
This allows the indicator to blink concurrently with voice guidance outputs, and determines if there is
any current error in the state of blinking.
When the indicator does not blink, check the microphone power supply circuit, and then repair malfunc-
tioning part.
3. Press both and switch simultaneously while voice guid- ance outputs.
4. Press and switch simultaneously while beep sound out- puts.
CAUTION:
Turn ignition switch OFF and return to Step 1 again if beep
sound does not output. Replace TEL adapter unit if beep
sound still does not output.
5. Perform the followings.
Check how many times indicator flashes within 5 seconds after pressing and switch.
Inform the malfunction and vehicle speed pulse from the time of ignition switch ON with voice.
SKIB7570E
SKIB7572E
SKIB7571E
SKIB7571E
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TELEPHONE AV-185
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Revision: 2006 December 2006 FX35/FX45
NOTE:
Vehicle speed pulse is reset to 0 when turning ignition switch OFF.
6. Beep sounds (while 1 second) outputs 3 seconds after voice guidance of microphone check.
7. Voice giving to microphone outputs from speaker. Microphone function can be checked.
8. Diagnosis mode exits after a beep sounds.
Number of indicator flashes Voice guidance Malfunction Possible solution
1 Internal failure TEL adapter unit is malfunctioning Replace TEL adapter unit
2 Bluetooth antenna open TEL antenna feeder is open Replace TEL antenna
3 Bluetooth antenna shorted TEL antenna feeder is short
Page 792 of 4462

AV-186
TELEPHONE
Revision: 2006 December 2006 FX35/FX45
Basic Inspection of Hands-Free PhoneNKS003IS
Check the parts or circuit listed below when the hands-free phone system is inoperative at all or a communica-
tion error exists between TEL and TEL adopter unit.
TEL
TEL adapter unit power supply circuit
1. CHECK INDICATOR OPERATION
1. Turn ignition switch ACC.
2. Check the indicator is blinking.
OK or NG
OK >> GO TO 2
NG >> Check indicator circuit and MIC. circuit.
2. CHECK AUDIO STEERING WHEEL SWITCH OPERATION
1. Press the switch.
2. Check the indicator is blinking.
OK or NG
OK >> INSPECTION END
NG >> Check audio steering wheel switch circuit.
Audio Steering Wheel Switch Does Not OperateNKS003M1
1. CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect A/C and AV switch and TEL adapter unit connectors.
3. Check continuity between A/C and AV switch harness connector (A) M64 terminals 12, 13, 14 and teladapter unit harness con-
nector (B) M102 terminals 17, 18, 19.
4. Check continuity between A/C and AV switch and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair harness or connector.
12 – 17 : Continuity should exist.
13 – 18 : Continuity should exist.
14 – 19 : Continuity should exist.
12, 13, 14 – ground : Continuity should not exist.
PKIC9369E