air condition INFINITI M35 2006 Factory Service Manual

BL-100
INTELLIGENT KEY SYSTEM
Revision: 2006 January2006 M35/M45
3. CHECK TRUNK ROOM LAMP SWITCH CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between BCM connector and trunk lid lock assembly connector.
3. Check continuity between BCM connector and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness between BCM and trunk room lamp switch.
4. CHECK TRUNK ROOM LAMP SWITCH GROUND CIRCUIT
Check continuity between trunk lid lock assembly connector and ground.
OK or NG
OK >> GO TO 5.
NG >> Repair or replace trunk room lamp switch ground circuit.
5. CHECK BCM OUTPUT SIGNAL
1. Connect BCM connector.
2. Check voltage between BCM connector and ground.
OK or NG
OK >> Check the condition of harness and connector.
NG >> Replace BCM.
AB
Continuity
BCM connector TerminalTrunk lid lock
assembly
connectorTerminal
M3 57 T106 1 Yes
A
GroundContinuity
BCM connector Terminal
M3 57 No
PIIB6328E
Trunk lid lock
assembly
connectorTerminal
GroundContinuity
T106 2 Yes
PIIB6329E
Terminals
Voltage (V)
(Approx.) (+)
(–)
BCM connector Terminal
M3 57 Ground Battery voltage
PIIB6326E

BL-102
INTELLIGENT KEY SYSTEM
Revision: 2006 January2006 M35/M45
2. CHECK DOOR REQUEST SWITCH CIRCUIT
1. Disconnect Intelligent Key unit and front outside handle connector.
2. Check continuity between Intelligent Key unit connector and front outside handle connector.
3. Check continuity between Intelligent Key unit connector and
ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness between Intelligent Key unit and front outside handle.
3. CHECK DOOR REQUEST SWITCH OPERATION
Check front outside handle.
OK or NG
OK >> GO TO 4.
NG >> Replace malfunction front outside handle.
4. CHECK DOOR REQUEST SWITCH GROUND CIRCUIT
Check continuity between front outside handle connector and ground.
OK or NG
OK >> GO TO 5.
NG >> Repair or replace front outside handle ground circuit.
AB
Continuity
Intelligent Key
unit connectorTe r m i n a lFront outside
handle connectorTerminal
M322 D15 (LH)
3Yes
22 D45 (RH)
A
GroundContinuity
Intelligent Key unit
connectorTerminal
M322
No
22
PIIB6331E
Terminal
Door request
switch conditionContinuity
Front outside handle
34Pressed Yes
Released No
PIIB6332E
Front outside
handle
connectorTe r m i n a l
GroundContinuity
D15 (LH)
4Yes
D45 (RH)
PIIB6333E

BL-104
INTELLIGENT KEY SYSTEM
Revision: 2006 January2006 M35/M45
2. CHECK TRUNK OPENER REQUEST SWITCH CIRCUIT
1. Disconnect Intelligent Key unit and trunk opener request switch connector.
2. Check continuity between Intelligent Key unit connector and trunk opener request switch connector.
3. Check continuity between Intelligent Key unit connector and
ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness between Intelligent Key unit and trunk opener request switch.
3. CHECK TRUNK OPENER REQUEST SWITCH OPERATION
Check trunk opener request switch.
OK or NG
OK >> GO TO 4.
NG >> Replace trunk opener request switch.
4. CHECK TRUNK OPENER REQUEST SWITCH GROUND CIRCUIT
Check continuity between trunk opener request switch connector and ground.
OK or NG
OK >> GO TO 5.
NG >> Repair or replace trunk opener request switch ground
circuit.
AB
Continuity
Intelligent Key
unit connectorTerminal Trunk request
switch connectorTerminal
M32 25 T107 1 Yes
A
GroundContinuity
Intelligent Key unit
connectorTe r m i n a l
M32 25 No
PIIB6335E
Terminal
Trunk opener request
switch conditionContinuity
Trunk opener request switch
12Pressed Yes
Released No
PIIB6336E
Trunk opener request
switch connectorTerminal
GroundContinuity
T107 2 Yes
PIIB6337E

INTELLIGENT KEY SYSTEM
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Revision: 2006 January2006 M35/M45
Check Intelligent Key Warning BuzzerNIS001XT
1. CHECK INTELLIGENT KEY WARNING BUZZER
Check voltage between Intelligent Key unit connector and ground.
OK or NG
OK >> Intelligent Key warning buzzer is OK.
NG >> GO TO 2.
2. CHECK INTELLIGENT KEY WARNING BUZZER POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect Intelligent Key warning buzzer connector.
3. Check voltage between Intelligent Key warning buzzer connector and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace Intelligent Key warning buzzer power
supply circuit.
3. CHECK INTELLIGENT KEY WARNING BUZZER CIRCUIT
1. Disconnect Intelligent Key unit connector.
2. Check continuity between Intelligent Key unit connector and Intelligent Key warning buzzer connector.
3. Check continuity between Intelligent Key unit connector and
ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness between Intelligent Key unit and Intelligent Key warning buzzer.
Te r m i n a l s
Warning
buzzer opera-
tion conditionVoltage (V)
(Approx.) (+)
(–)
Intelligent Key
unit connectorTerminal
M33 55 GroundYe s 0
No Battery voltage
PIIB6341E
Terminals
Voltage (V)
(Approx.) (+)
(–) Intelligent Key
warning buzzer
connectorTerminal
E37 3 Ground Battery voltage
PIIB6342E
AB
Continuity
Intelligent Key
unit connectorTerminalIntelligent Key
warning buzzer
connectorTerminal
M33 55 E37 1 Yes
A
GroundContinuity
Intelligent Key unit
connectorTerminal
M33 55 No
PIIB6343E

INTELLIGENT KEY SYSTEM
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Revision: 2006 January2006 M35/M45
3. CHECK OUTSIDE KEY ANTENNA CIRCUIT
1. Disconnect Intelligent Key unit and front outside handle connector.
2. Check continuity between Intelligent Key unit connector and front outside handle connector.
3. Check continuity between Intelligent Key unit connector and
ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness between Intelligent Key unit and front outside handle.
4. CHECK OUTSIDE KEY ANTENNA INPUT SIGNAL 2
1. Replace outside key antenna. (New antenna or other antenna)
2. Connect Intelligent Key unit and front outside handle connector.
3. Check signal between Intelligent Key unit connector and ground with oscilloscope.
OK or NG
OK >> Replace malfunction front outside handle.
NG >> Replace Intelligent Key unit.
AB
Continuity
Intelligent Key
unit connectorTerminal Front outside
handle connectorTerminal
M3361
D151
Ye s 62 2
63
D451
64 2
A
GroundContinuity
Intelligent Key unit
connectorTerminal
M3361
No 62
63
64
PIIB6347E
Terminals
ConditionSignal
(Reference value.) (+)
(–)
Intelligent Key
unit connectorTe r m i -
nal
M33Driver
side61
GroundDoor
request
switch is
pushed Passen-
ger side63
PIIB6346E
SIIA1910J

INTELLIGENT KEY SYSTEM
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Revision: 2006 January2006 M35/M45
3. CHECK OUTSIDE KEY ANTENNA CIRCUIT
1. Disconnect Intelligent Key unit and outside key antenna (trunk room) connector.
2. Check continuity between Intelligent Key unit connector and outside key antenna (trunk room) connector.
3. Check continuity between Intelligent Key unit connector and
ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness between Intelligent Key unit and outside key antenna (trunk room).
4. CHECK OUTSIDE KEY ANTENNA INPUT SIGNAL 2
1. Replace outside key antenna. (New antenna or other antenna)
2. Connect Intelligent Key unit and outside key antenna (trunk room) connector.
3. Check signal between Intelligent Key unit connector and ground with oscilloscope.
OK or NG
OK >> Replace malfunction front outside handle.
NG >> Replace Intelligent Key unit.
AB
Continuity
Intelligent Key
unit connectorTerminalOutside key
antenna (trunk
room) connectorTerminal
M3369
B1211
Ye s
70 2
A
GroundContinuity
Intelligent Key unit
connectorTerminal
M3369
No
70
PIIB6349E
Te r m i n a l s
ConditionSignal
(Reference value.) (+)
(–) Intelligent
Key unit
connectorTerminal
M33 69 GroundTrunk
request
switch is
pushed
PIIB6348E
SIIA1910J

BL-116
INTELLIGENT KEY SYSTEM
Revision: 2006 January2006 M35/M45
3. CHECK PARK POSITION SWITCH
1. Disconnect A/T device connector.
2. Check A/T device.
OK or NG
OK >> GO TO 4.
NG >> Check A/T shift lock system. Refer to AT- 2 2 9 , "
A/T
SHIFT LOCK SYSTEM" .
4. CHECK HARNESS CONTINUITY 1
1. Disconnect A/T device connector.
2. Check continuity between Intelligent Key unit connector and A/T device connector.
3. Check continuity between Intelligent Key unit connector and
ground.
OK or NG
OK >> GO TO 5.
NG >> Repair or replace harness between Intelligent Key and A/T device.
5. CHECK HARNESS CONTINUITY 2
1. Check continuity between Intelligent Key unit connector and A/T device connector.
2. Check continuity between Intelligent Key unit connector and
ground.
OK or NG
OK >> Check the condition of harness and connector.
NG >> Repair or replace harness between Intelligent Key and A/T device.
Terminal
A/T device
positionContinuity
A/T device
910PYes
Other than above No
PIIB6354E
AB
Continuity
Intelligent Key
unit connectorTe r m i n a lA/T device
connectorTerminal
M32 27 M133 10 Yes
A
GroundContinuity
Intelligent Key unit
connectorTerminal
M32 27 No
PIIB6355E
AB
Continuity
Intelligent Key
unit connectorTe r m i n a lA/T device
connectorTerminal
M33 58 M133 9 Yes
A
GroundContinuity
Intelligent Key unit
connectorTerminal
M33 58 No
PIIB6356E

INTELLIGENT KEY SYSTEM
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Revision: 2006 January2006 M35/M45
Check Ignition Switch PositionNIS001XY
1. CHECK IGNITION POWER SUPPLY
Check voltage between Intelligent Key unit connector and ground.
OK or NG
OK >> Ignition power supply is OK.
NG >> Check the following.
Repair or replace Intelligent Key unit power supply circuit.
Check 10A fuse [No. 6, located in the fuse block (J/B)]
Check 10A fuse [No. 12, located in the fuse block (J/B)]
Check Remote Keyless Entry ReceiverNIS001XZ
1. CHECK REMOTE KEYLESS ENTRY RECEIVER OUTPUT SIGNAL
1. Turn ignition switch OFF.
2. Check signal between remote keyless entry receiver connector and ground with oscilloscope.
OK or NG
OK >> Remote keyless entry receiver is OK.
NG >> GO TO 2.
Te r m i n a l s
Ignition switch position
(+)
(–) Intelligent
Key unit
connectorTerminal OFF ACC ON
M3230
Ground0 Battery voltage Battery voltage
31 0 0 Battery voltage
PIIB6357E
Terminals
Keyfob
conditionSignal
(Reference value) (+)
(–) Remote
keyless
entry
receiver
connectorTerminal
M89 2 GroundNo function
Any button
is pressed
PIIB6358E
OCC3879D
OCC3880D

BL-118
INTELLIGENT KEY SYSTEM
Revision: 2006 January2006 M35/M45
2. CHECK REMOTE KEYLESS ENTRY RECEIVER POWER SUPPLY
1. Disconnect remote keyless entry receiver connector.
2. Check signal between remote keyless entry receiver connector and ground with oscilloscope.
OK or NG
OK >> GO TO 4.
NG >> GO TO 3.
3. CHECK HARNESS CONTINUITY 1
1. Disconnect Intelligent Key unit connector.
2. Check continuity between Intelligent Key unit connector and remote keyless entry receiver connector.
3. Check continuity between Intelligent Key unit connector and
ground.
OK or NG
OK >> Check the condition of harness and connector.
NG >> Repair or replace harness between Intelligent Key unit and remote keyless entry receiver.
4. CHECK REMOTE KEYLESS ENTRY RECEIVER GROUND CIRCUIT
Check continuity between remote keyless entry receiver connector and ground.
OK or NG
OK >> GO TO 6.
NG >> GO TO 5.
Terminals
Signal
(Reference value) (+)
(–) Remote keyless
entry receiver
connectorTerminal
M89 4 Ground
PIIB6359E
OCC3881D
AB
Continuity
Intelligent Key
unit connectorTe r m i n a lRemote keyless
entry receiver
connectorTerminal
M32 7 M89 4 Yes
A
GroundContinuity
Intelligent Key unit
connectorTerminal
M32 7 No
PIIB6360E
Remote keyless entry
receiver
connectorTerminal
GroundContinuity
M89 1 Yes
PIIB6361E

INTELLIGENT KEY SYSTEM
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Revision: 2006 January2006 M35/M45
5. CHECK HARNESS CONTINUITY 2
Check continuity between Intelligent Key unit connector and remote keyless entry receiver connector.
OK or NG
OK >> Check the condition of harness and connector.
NG >> Repair or replace harness between Intelligent Key unit
and remote keyless entry.
6. CHECK HARNESS CONTINUITY 3
1. Check continuity between Intelligent Key unit connector and remote keyless entry receiver connector.
2. Check continuity between Intelligent Key unit connector and
ground.
OK or NG
OK >> GO TO 7.
NG >> Repair or replace harness between Intelligent Key unit and remote keyless entry.
AB
Continuity
Intelligent Key
unit connectorTerminalRemote keyless
entry receiver
connectorTerminal
M32 6 M89 1 Yes
PIIB6362E
AB
Continuity
Intelligent Key
unit connectorTerminalRemote keyless
entry receiver
connectorTerminal
M32 5 M89 2 Yes
A
GroundContinuity
Intelligent Key unit
connectorTerminal
M32 5 No
PIIB6363E