air condition INFINITI M35 2007 Factory Service Manual

BL-102
INTELLIGENT KEY SYSTEM
Revision: 2007 April2007 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
M33 61 T107 1 Yes
A
GroundContinuity
Intelligent Key unit
connectorTe r m i n a l
M33 61 No
PIIB8991E
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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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: 2007 April2007 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
M3224
D151
Ye s 25 2
11
D451
12 2
A
GroundContinuity
Intelligent Key unit
connectorTerminal
M3224
No 25
11
12
PIIB8924E
Terminals
ConditionSignal
(Reference value.) (+)
(–)
Intelligent Key
unit connectorTe r m i -
nal
M32Driver
side24
GroundDoor
request
switch is
pushed Passen-
ger side11
PIIB8923E
SIIA1910J

INTELLIGENT KEY SYSTEM
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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
M3217
B1211
Ye s
18 2
A
GroundContinuity
Intelligent Key unit
connectorTerminal
M3217
No
18
PIIB8926E
Te r m i n a l s
ConditionSignal
(Reference value.) (+)
(–) Intelligent
Key unit
connectorTerminal
M32 17 GroundTrunk
request
switch is
pushed
PIIB8925E
SIIA1910J

BL-114
INTELLIGENT KEY SYSTEM
Revision: 2007 April2007 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
PIIB8993E

INTELLIGENT KEY SYSTEM
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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-116
INTELLIGENT KEY SYSTEM
Revision: 2007 April2007 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: 2007 April2007 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

BL-118
INTELLIGENT KEY SYSTEM
Revision: 2007 April2007 M35/M45
7. INTELLIGENT KEY UNIT OUTPUT SIGNAL
1. Connect Intelligent Key unit and remote keyless entry receiver connector.
2. Check voltage between Intelligent Key unit connector and ground.
OK or NG
OK >> Check the condition of harness and connector.
NG >> GO TO 8.
8. CHECK HARNESS CONTINUITY 4
1. Disconnect Intelligent Key unit and remote keyless entry receiver 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.
Terminals
ConditionVoltage (V)
(Approx.) (+)
(–) Intelligent
Key unit
connectorTe r -
minal
M32 4 GroundWhen Intelli-
gent Key is in
vehicle, press
push-button
ignition switch0
Other than
above
PIIB9008E
PIIB5657J
AB
Continuity
Intelligent Key
unit connectorTerminalRemote keyless entry
receiver connectorTerminal
M32 4 M89 3 Yes
A
GroundContinuity
Intelligent Key unit
connectorTerminal
M32 4 No
PIIB6365E

INTELLIGENT KEY SYSTEM
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Check Trunk Lid Opener Cancel SwitchNIS001Y0
1. CHECK TRUNK LID OPENER CANCEL SWITCH
With CONSULT-II
Check trunk lid opener cancel sensor (“TR CANCEL SW”) in “DATA MONITOR” mode.
Without CONSULT-II
1. Turn ignition switch OFF.
2. Check voltage between Intelligent Key unit connector and ground.
OK or NG
OK >> Trunk lid opener cancel switch is OK.
NG >> GO TO 2.
2. CHECK TRUNK LID OPENER CANCEL SWITCH CIRCUIT
1. Disconnect Intelligent Key unit and trunk lid opener cancel switch connector.
2. Check continuity between Intelligent Key unit connector and trunk lid opener cancel 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 lid opener cancel switch.
Monitor item Condition
TR CANCEL SWTrunk lid opener cancel switch ON: ON
Trunk lid opener cancel switch OFF: OFF
PIIB6400E
Terminals
Trunk lid
opener cancel
switch condi-
tionVoltage (V)
(Approx.) (+)
(–)
Intelligent Key
unit connectorTerminal
M32 23 GroundON 0
OFF (Cancel) 5
PIIB6390E
AB
Continuity
Intelligent Key
unit connectorTe r m i n a l Trunk lid opener
cancel switch
connectorTerminal
M32 23 M99 1 Yes
A
GroundContinuity
Intelligent Key unit
connectorTerminal
M32 23 No
PIIB6393E