2004 INFINITI FX35 control

NAVIGATION SYSTEM
AV-143
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MA
B
AV
Revision: 2004 November 2004 FX35/FX45
Can Diag Support MonitorAKS007J3
OPERATION PROCEDURE
1. Start the engine.
2. Turn the audio system off.
3. While pressing the “MUTE/II ” button, turn the volume control
dial clockwise or counterclockwise for 30 clicks or more. (When
the self-diagnosis mode is started, a short beep will be heard.)

Shifting from current screen to previous screen is performed
by pressing “PREV” button.
4. The initial trouble diagnosis screen will be shown, and items
“Self-Diagnosis (DCU)”, “Self-Diagnosis (NAVI)”, “Confirmation/
Adjustment” and “CAN DIAG SUPPORT MONITOR” will
become selective.
5. Select “CAN DIAG SUPPORT MONITOR”.
6. Display status of CAN communication.
NOTE:
Counter shows the status of CAN communication.
SKIA4971E
SKIA4207E
Item ContentError counter
(Reference value)
CANCOMM OK/NG 0-50
CAN_CIRC_1 OK/UNKWN 0-50
CAN_CIRC_2 OK/UNKWN 0-50
CAN_CIRC_3 OK/UNKWN 0-50
CAN_CIRC_4 OK/UNKWN 0-50
CAN_CIRC_5 OK/UNKWN 0-50
CAN_CIRC_6 OK/UNKWN 0-50
CAN_CIRC_7 OK/UNKWN 0-50
CAN_CIRC_8 OK/UNKWN 0-50
CAN_CIRC_9 OK/UNKWN 0-50
SKIA4288E

NAVIGATION SYSTEM
AV-145
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MA
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AV
Revision: 2004 November 2004 FX35/FX45
Power Supply and Ground Circuit Check for NAVI Control UnitAKS00BN7
1. CHECK FUSE
Make sure that the following fuses of the NAVI control unit are not blown.
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate case of malfunction before installing new fuse. Refer to PG-3,
"POWER SUPPLY ROUTING CIRCUIT" .
2. CHECK POWER SUPPLY CIRCUIT
1. Check voltage between NAVI control unit harness connector ter-
minals and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connector.
3. CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect NAVI control unit connector.
3. Check continuity between NAVI control unit harness connector
B208 terminals 1 (B), 4 (B) and ground.
OK or NG
OK >> INSPECTION END
NG >> Repair harness or connector.
Unit Signal Fuse No.
NAVI control unitBattery power supply 32
ACC power supply 6
Terminals Ignition switch position
(+)
(–) OFF ACC ON
ConnectorTerminal
(Wire color)
B2082 (Y), 3 (Y)
GroundBattery
voltageBattery
voltageBattery
voltage
6 (LG) 0VBattery
voltageBattery
voltage
SKIA8932E
1, 4 – Ground : Continuity should exist.
PKIA2853E

AV-146
NAVIGATION SYSTEM
Revision: 2004 November 2004 FX35/FX45
Power Supply and Ground Circuit Check for Display Control UnitAKS00BN8
1. CHECK FUSE
Make sure that the following fuses of the display control unit are not blown.
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate case of malfunction before installing new fuse. Refer to PG-3,
"POWER SUPPLY ROUTING CIRCUIT" .
2. CHECK POWER SUPPLY CIRCUIT
1. Check voltage between display control unit harness connector
terminals and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connector.
3. CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect display control unit.
3. Check continuity between display control unit harness connector
M75 terminal 3 (B) and ground.
OK or NG
OK >> INSPECTION END
NG >> Repair harness or connector.
Unit Signal Fuse No.
Display control unitBattery power supply 32
ACC power supply 6
Terminals Ignition switch position
(+)
(–) OFF ACC ON
ConnectorTerminal
(Wire color)
M751 (W/L)
GroundBattery
voltageBattery
voltageBattery
voltage
10 (LG/R) 0VBattery
voltageBattery
voltage
SKIA8930E
3 – Ground : Continuity should exist.
PKIA2855E

NAVIGATION SYSTEM
AV-147
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MA
B
AV
Revision: 2004 November 2004 FX35/FX45
Power Supply and Ground Circuit Check for DisplayAKS00BN9
1. CHECK DISPLAY CONTROL UNIT POEWR SUPPLY AND GROUND CIRCUIT
Check display control unit power supply and ground circuit. Refer to AV- 1 2 3 , "
Terminals and Reference Value
for Display Control Unit" .
OK or NG
OK >> GO TO 2.
NG >> Repair malfunctioning parts.
2. CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch ON.
2. Check voltage between display harness connector M63 termi-
nals 2 (W/G), 3 (BR/W) and ground.
OK or NG
OK >> GO TO 4.
NG >> GO TO 3.
3. CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect display connector and display control unit connector.
3. Check continuity between display harness connector M63 termi-
nals 2 (W/G), 3 (BR/W) and display control unit harness connec-
tor M75 terminals 2 (W/G), 4 (BR/W).
4. Check continuity between display harness connector M63 termi-
nals 2 (W/G), 3 (BR/W) and ground.
OK or NG
OK >> Replace display control unit.
NG >> Repair harness or connector.
4. CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect display connector.
3. Check continuity between display harness connector M63 termi-
nal 13 (P), 14 (P/L) and ground.
OK or NG
OK >> GO TO 6.
NG >> GO TO 5.2, 3 – Ground : Approx. 9V
SKIA8934E
2 – 2 : Continuity should exist.
3 – 4 : Continuity should exist.
2, 3 – Ground : Continuity should not exist.
SKIB0450E
13, 14 – Ground : Continuity should exist.
SKIB0448E

AV-148
NAVIGATION SYSTEM
Revision: 2004 November 2004 FX35/FX45
5. CHECK HARNESS
1. Disconnect display control unit connector.
2. Check continuity between display harness connector M63 termi-
nals 13 (P), 14 (P/L) and display control unit harness connector
M75 terminals 5 (P), 7 (P/L).
OK or NG
OK >> Replace display control unit.
NG >> Repair harness or connector.
6. CHECK GROUND CIRCUIT
Check continuity between display harness connector M63 terminal 1
(B) and ground.
OK or NG
OK >> INSPECTION END
NG >> Repair harness or connector.13 – 5 : Continuity shold exist.
14 – 7 : Continuity shold exist.
SKIB0449E
1 – Ground : Continuity should exist.
SKIB0451E

NAVIGATION SYSTEM
AV-149
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AV
Revision: 2004 November 2004 FX35/FX45
Power Supply and Ground Circuit Check for A/C and AV SwitchAKS00BNA
1. CHECK FUSE
Make sure that the following fuses of the A/C and AV switch are not blown.
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate case of malfunction before installing new fuse. Refer to PG-3,
"POWER SUPPLY ROUTING CIRCUIT" .
2. CHECK POWER SUPPLY CIRCUIT
1. Check voltage between AC and AV switch harness connector
terminals and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connector.
3. CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect A/C and AV switch connector.
3. Check continuity between A/C and AV switch harness connector
M64 terminals 5 (B) and ground.
OK or NG
OK >> INSPECTION END
NG >> Repair harness or connector.
Vehicle Speed Signal Check for NAVI Control UnitAKS00BNB
1. VEHICLE SPEED OPERATION CHECK
Does speedmeter is operated normally?
YES or NO
YES >> GO TO 2.
NO >> Check combination meter trouble diagnosis. Refer to DI-13, "
Diagnosis Flow" .
Unit Signal Fuse No.
A/C and AV switchBattery power supply 32
ACC power supply 6
Terminals Ignition switch position
(+)
(–) OFF ACC ON
ConnectorTe r m i n a l
(Wire color)
M641 (W/L)
GroundBattery
voltageBattery
voltageBattery
voltage
2 (LG/R) 0VBattery
voltageBattery
voltage
SKIA8937E
5 – Ground : Continuity should exist.
SKIA8938E

AV-150
NAVIGATION SYSTEM
Revision: 2004 November 2004 FX35/FX45
2. CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect NAVI control unit connector and unified meter and A/C amp. connector.
3. Check continuity between NAVI control unit harness connector
B207 terminal 28 (GY) and unified meter and A/C amp. harness
connector M56 terminal 26 (R/G).
4. Check continuity between NAVI control unit harness connector
B207 terminal 28 (GY) and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connector.
3. CHECK VEHICLE SPEED SIGNAL
1. Connect unified meter and A/C amp. connector.
2. Start engine.
3. Drive vehicle at a constant speed.
4. Check signal between NAVI control unit harness connector
B207 terminal 28 (GY) and ground with CONSULT-ll or oscillo-
scope.
OK or NG
OK >> INSPECTION END
NG >> Check combination meter system. Refer to DI-17, "
Veh i-
cle Speed Signal Inspection" .
Vehicle Speed Signal Check for Display Control UnitAKS00BNC
1. VEHICLE SPEED OPERATION CHECK
Does speedmeter is operated normally?
YES or NO
YES >> GO TO 2.
NO >> Check combination meter trouble diagnosis. Refer to DI-13, "
Diagnosis Flow" . 28 – 26 : Continuity should exist.
28 – Ground : Continuity should not exist.
PKIA2861E
28 – Ground : Refer to AV- 1 2 1 , "Terminals
and Reference Value for NAVI
Control Unit" .
PKIA2863E

NAVIGATION SYSTEM
AV-151
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B
AV
Revision: 2004 November 2004 FX35/FX45
2. CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect display control unit connector and combination unified meter and A/C amp. connector.
3. Check continuity between display control unit harness connector
M75 terminal 16 (R/G) and unified meter and A/C amp. harness
connector M56 terminal 26 (R/G).
4. Check continuity between display control unit harness connector
M75 terminal 16 (R/G) and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connector.
3. CHECK VEHICLE SPEED SIGNAL
1. Connect unified meter and A/C amp. connector.
2. Start the engine.
3. Drive vehicle at a constant speed.
4. Check signal between display control unit harness connector
M75 terminal 16 (R/G) and ground with CONSULT-ll or oscillo-
scope.
OK or NG
OK >> INSPECTION END
NG >> Check unified meter and A/C amp. system. Refer to DI-
17, "Vehicle Speed Signal Inspection" .
Illumination Signal Check for NAVI Control UnitAKS00BND
1. CHECK ILLUMINATION SIGNAL
1. Check voltage between NAVI control unit harness connector ter-
minals and ground.
OK or NG
OK >> INSPECTION END
NG >> Repair harness or connector.16 – 26 : Continuity should exist.
16 – Ground : Continuity should not exist.
PKIA2864E
16 – Ground : Refer to AV- 1 2 3 , "Terminals
and Reference Value for Display
Control Unit" .
PKIA2866E
Terminals
Condition Voltage (+)
(–)
ConnectorTerminal
(Wire color)
B207 25 (R) GroundLighting switch is ON Approx. 12V
Lighting switch is OFF Approx. 0V
SKIB0315E