ECU INFINITI M35 2007 Factory Service Manual

BL-230
VEHICLE SECURITY (THEFT WARNING) SYSTEM
Revision: 2007 April2007 M35/M45
CONSULT-II Function (BCM)NIS00201
CONSULT-II can display each diagnostic item using the diagnostic test modes shown following.
CAUTION:
CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunction might be detected in
self-diagnosis depending on control units with carry out CAN communication.
BASIC OPERATION
Refer to GI-38, "CONSULT-II Start Procedure" .
CONSULT-II APPLICATION ITEM
Work Support
Data Monitor
BCM diagnosis
positionInspection items and diagnosis mode Description
THEFT ALMDATA MONITOR Displays the input data to BCM in real time basis.
ACTIVE TEST Gives a drive signal to a load to check the operation.
WORK SUPPORT Changes setting of each function.
Test Item Description
SECURITY ALARM SET This mode is able to confirm and change security alarm ON-OFF setting.
THEFT ALM TRGThe switch which triggered vehicle security alarm is recorded. This mode is able to confirm and
erase the record of vehicle security alarm. The trigger data can be erased by touching “CLEAR”
on CONSULT-II screen.
Monitored Item Description
IGN ON SW Indicates [ON/OFF] condition of ignition switch.
ACC ON SW Indicates [ON/OFF] condition of ignition switch in ACC position.
KEY ON SW Indicates [ON/OFF] condition of key switch.
I-KEY DR UNLK Indicates [ON/OFF] condition of unlock signal from driver side door request switch.
I-KEY AS UNLK Indicates [ON/OFF] condition of unlock signal from passenger side door request switch.
I-KEY LOCK Indicates [ON/OFF] condition of lock signal from Intelligent Key.
I-KEY UNLOCK Indicates [ON/OFF] condition of unlock signal from Intelligent Key.
I-KEY TRNK/HAT Indicates [ON/OFF] condition of trunk opener signal from Intelligent Key.
TRUNK OPNR SW This is displayed even when it is not equipped.
TRUNK CYL SW This is displayed even when it is not equipped.
TRUNK OPN MNTR Indicates [ON/OFF] condition of trunk room lamp switch.
HOOD SW Indicates [ON/OFF] condition of hood switch.
DOOR SW-DR Indicates [ON/OFF] condition of front door switch LH.
DOOR SW-AS Indicates [ON/OFF] condition of front door switch RH.
DOOR SW-RR Indicates [ON/OFF] condition of rear door switch RH.
DOOR SW-RL Indicates [ON/OFF] condition of rear door switch LH.
BACK DOOR SW This is displayed even when it is not equipped.
KEY CYL LK-SW Indicates [ON/OFF] condition of lock signal from front door key cylinder switch.
KEY CYL UN-SW Indicates [ON/OFF] condition of unlock signal from front door key cylinder switch.
CDL LOCK SW Indicates [ON/OFF] condition of lock signal from door lock/unlock switch LH and RH.
CDL UNLOCK SW Indicates [ON/OFF] condition of unlock signal from door lock/unlock switch LH and RH.

VEHICLE SECURITY (THEFT WARNING) SYSTEM
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Revision: 2007 April2007 M35/M45
Active Test
Trouble Diagnosis Work FlowNIS00202
1. CHECK IN
Listen to customer complaint.
>> GO TO 2.
2. CHECK FUNCTION
Do “Power door lock system” and “Intelligent Key system” work properly?
YES >> GO TO 3.
NO >> Preform diagnosis and repair. Refer to BL-43, "
INTELLIGENT KEY SYSTEM" .
3. PERFORM DIAGNOSTIC PROCEDURE
Perform diagnostic procedure according to the symptom chart. Refer to BL-233, "
Trouble Diagnosis Symptom
Chart" .
>> GO TO 4.
4. FINAL CHECK
Confirm that the malfunction is completely fixed by operating the system.
OK >> INSPECTION END
NG >> GO TO 3.
Preliminary CheckNIS00203
1. INSPECTION START
Turn ignition switch "OFF" and pull out Intelligent Key from key slot.
NOTE:
Before starting operation check, open front windows.
>> GO TO 2.
2. CHECK SECURITY INDICATOR LAMP
1. Lock doors using Intelligent Key or mechanical key.
2. Make sure security indicator lamp illuminate for 30 seconds.
Security indicator lamp should illuminate.
OK >> GO TO 3.
NG >> Perform diagnosis and repair. Refer to BL-234, "
Diagnostic Procedure 1" .
Test Item Description
THEFT INDThis test is able to check security indicator lamp operation. The lamp will be turned on when “ON”
on CONSULT-II screen is touched.
VEHICLE SECURITY HORNThis test is able to check vehicle security horn operation. The horns will be activated for 0.5 sec-
onds after “ON” on CONSULT-II screen is touched.
HEADLAMP(HI)This test is able to check vehicle security lamp operation. The headlamps will be activated for 0.5
seconds after “ON” on CONSULT-II screen is touched.
FLASHERThis test is able to check vehicle security hazard lamp operation. The hazard lamps will be acti-
vated after “ON” on CONSULT-II screen is touched.

BL-232
VEHICLE SECURITY (THEFT WARNING) SYSTEM
Revision: 2007 April2007 M35/M45
3. CHECK ALARM FUNCTION
1. After 30 seconds, security indicator lamp will start blink.
2. Open any door or hood before unlocking with Intelligent Key or mechanical key, or open trunk lid without
Intelligent Key or mechanical key.
Do alarm function properly.
OK >> GO TO 4.
NG >> Check the following.

The vehicle security system does not phase in alarm mode. Refer to BL-241, "Diagnostic Pro-
cedure 2" .

Alarm (horn, headlamp and hazard lamp) do not operate. Refer to BL-242, "Diagnostic Proce-
dure 3" .
4. CHECK ALARM CANCEL OPERATION
Unlock any door or open trunk lid using Intelligent Key or mechanical key.
Alarm (horn, headlamp and hazard lamp) should stop.
OK >> INSPECTION END.
NG >> Perform diagnosis and repair. Refer to BL-242, "
Diagnostic Procedure 4" .

VEHICLE SECURITY (THEFT WARNING) SYSTEM
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Revision: 2007 April2007 M35/M45
Trouble Diagnosis Symptom ChartNIS00204
*: Make sure the system is in the armed phase.Procedure
Diagnostic procedure Refer to page
Symptom
1Vehicle security
system cannot be
set by ····Door switch Diagnostic Procedure 1 (Check door, hood and trunk switch) BL-234
Lock / unlock switch Diagnostic Procedure 6 (Check door lock / unlock switch)BL-243
Door outside key Diagnostic Procedure 3 (Check door key cylinder switch)BL-242
Intelligent Key Check Intelligent Key.BL-124
— If the above systems are “OK”, replace BCM.BCS-15
Security indicator does not turn “ON”.Diagnostic Procedure 2 (Check security indicator lamp)BL-241If the above systems are “OK”, replace BCM.BCS-15
2* Vehicle security
system does not
alarm when ····Any door is opened.Diagnostic Procedure 1 (Check door, hood and trunk switch)BL-234If the above systems are “OK”, replace BCM.BCS-15
3Vehicle security
alarm does not
activate.Horn alarmDiagnostic Procedure 4 (Check vehicle security horn alarm)BL-242
If the above systems are “OK”, replace BCM.BCS-15
Head lamp alarmDiagnostic Procedure 5 (Check head lamp alarm)BL-243If the above systems are “OK”, replace BCM.BCS-15
Hazard lampDiagnostic Procedure 7 (Check hazard lamp alarm)BL-243If the above systems are “OK”, replace BCM.BCS-15
4Vehicle security
system cannot be
canceled by ····Door outside keyDiagnostic Procedure 3 (Check door key cylinder switch)BL-242
If the above systems are “OK”, replace power window main
switch.EI-34
Intelligent KeyCheck remote keyless entry function.BL-43If the above systems are “OK”, replace BCM.BCS-15

BL-234
VEHICLE SECURITY (THEFT WARNING) SYSTEM
Revision: 2007 April2007 M35/M45
Diagnostic Procedure 1NIS00205
DOOR SWITCH CHECK
1. CHECK DOOR SWITCH INPUT SIGNAL
With CONSULT-II
Check door switches (“DOOR SW-DR”, “DOOR SW-AS”, “DOOR SW-RL” and “DOOR SW-RR”) in “DATA
MONITOR” mode with CONSULT-II.
Without CONSULT-II
1. Turn ignition switch OFF.
2. Check voltage between BCM connector and ground.
OK or NG
OK >> Door switch circuit is OK.
NG >> GO TO 2.
Monitor item Condition
DOOR SW-DR
CLOSE → OPEN: OFF → ON DOOR SW-AS
DOOR SW-RL
DOOR SW-RR
PIIA6469E
Terminals
Door conditionVoltage (V)
(Approx.) (+)
(–)
BCM
connectorTerminal
M112
GroundFront
passenger
sideOPEN 0
CLOSE Battery voltage
13Rear RH
sideOPEN 0
CLOSE Battery voltage
M362 Driver sideOPEN 0
CLOSE Battery voltage
63Rear LH
sideOPEN 0
CLOSE Battery voltage
PIIB6324E

VEHICLE SECURITY (THEFT WARNING) SYSTEM
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Revision: 2007 April2007 M35/M45
2. CHECK DOOR SWITCH
1. Turn ignition switch OFF.
2. Disconnect door switch connector.
3. Check door switch.
OK or NG
OK >> GO TO 3.
NG >> Replace malfunction door switch.
3. CHECK DOOR SWITCH CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between BCM connector and door switch connector.
3. Check continuity between BCM connector and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness between BCM and door
switch.
Terminal
Door switch Continuity
Door switch
2Ground part of
door switchPushed No
Released Yes
PIIB5977E
AB
Continuity
BCM connector TerminalDoor switch
connectorTerminal
M112 B424
2Yes 13 B403
M362 B11
63 B53
A
GroundContinuity
BCM connector Terminal
M112
No 13
M362
63
PIIB6325E

BL-236
VEHICLE SECURITY (THEFT WARNING) SYSTEM
Revision: 2007 April2007 M35/M45
4. 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.
Terminals
Voltage (V)
(Approx.) (+)
(–)
BCM connector Terminal
M112
Ground Battery voltage 13
M362
63
PIIB6324E

VEHICLE SECURITY (THEFT WARNING) SYSTEM
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Revision: 2007 April2007 M35/M45
HOOD SWITCH CHECK
1. CHECK HOOD SWITCH
Check hood switch and hood fitting condition.
OK or NG
OK >> GO TO 2.
NG >> Adjust installation of hood switch.
2. CHECK HOOD SWITCH INPUT SIGNAL
With CONSULT-II
Check (“HOOD SW”) in “DATA MONITOR” mode with CONSULT-II.

When hood is opened:

When hood is closed:
Without CONSULT-II
Check voltage between IPDM E/R connector and ground.
OK or NG
OK >> Hood switch is OK, and go to BL-239, "TRUNK ROOM
LAMP SWITCH CHECK" .
NG >> GO TO 3.
3. CHECK HOOD SWITCH
1. Turn ignition switch OFF.
2. Disconnect hood switch connector.
3. Check continuity between hood switch terminals 1 and 2.
OK or NG
OK >> GO TO 4.
NG >> Replace hood switch.HOOD SW : ON
HOOD SW : OFF
PIIA7006E
IPDM E/R con-
nectorTe r m i n a l s
Condition of hoodVoltage [V]
(Approx.)
(+) (-)
E9 60 GroundOPEN 0
CLOSE Battery voltage
PIIB6214E
Hood
switchTerminalsCondition of hood
switchContinuity
E44 1 2Pressed No
Released Yes
PIIB6215E

BL-238
VEHICLE SECURITY (THEFT WARNING) SYSTEM
Revision: 2007 April2007 M35/M45
4. CHECK HOOD SWITCH CIRCUIT
1. Disconnect IPDM E/R connector.
2. Check continuity between hood switch connector and IPDM E/R
connector.
3. Check continuity between hood switch connector and ground.
OK or NG
OK >> GO TO 5.
NG >> Repair or replace hood switch harness.
5. CHECK HOOD SWITCH GROUND CIRCUIT
Check continuity between hood switch connector and ground.
OK or NG
OK >> Check condition of harness and connector.
NG >> Repair or replace hood switch harness.
AB
Continuity
Hood switch
connectorTe r m i n a lIPDM E/R
connectorTerminal
E44 2 E9 60 Yes
A
GroundContinuity
Hood switch connector Terminal
E44 2 No
PIIB6216E
Hood switch Terminal
GroundContinuity
E44 1 Yes
PIIB6217E

VEHICLE SECURITY (THEFT WARNING) SYSTEM
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TRUNK ROOM LAMP SWITCH CHECK
1. CHECK TRUNK ROOM LAMP SWITCH INPUT SIGNAL
With CONSULT-II
Check (“TRUNK SW”) in “DATA MONITOR” mode with CONSULT-II.
Without CONSULT-II
1. Turn ignition switch OFF.
2. Check voltage between BCM connector and ground.
OK or NG
OK >> Trunk room lamp switch circuit is OK.
NG >> GO TO 2.
2. CHECK TRUNK ROOM LAMP SWITCH
1. Turn ignition switch OFF.
2. Disconnect trunk lid lock assembly connector.
3. Check trunk room lamp switch.
OK or NG
OK >> GO TO 3.
NG >> Replace trunk room lamp switch.
Monitor item Condition
TRUNK SWOPEN : ON
CLOSE : OFF
PIIB1362E
Terminals
Trunk
conditionVoltage (V)
(Approx.) (+)
(–)
BCM connector Terminal
M3 57 GroundOPEN 0
CLOSE Battery voltage
PIIB6326E
Terminal
Trunk condition Continuity
Trunk room lamp switch
12OPEN Yes
CLOSE No
PIIB8995E