ignition INFINITI FX35 2008 Service Manual

DI-60
< SERVICE INFORMATION >
WARNING CHIME
CONSULT-III Function (METER/M&A)
INFOID:0000000001328480
Refer to DI-27, "CONSULT-III Function (METER/M&A)" in “UNIFIED METER AND A/C AMP”.
CONSULT-III Function (BCM)INFOID:0000000001328481
CONSULT-III can display each diagnostic item using the diagnostic test modes shown following.
DIAGNOSIS ITEMS DESCRIPTION
DATA MONITOR
Display Item List
ACTIVE TEST
Display Item List
SELF DIAGNOSTIC RESULT
Display Item List
NOTE:
14 PU RX communication line
(From unified meter and A/C
amp.) ON —
15 B Ground ON — Approx. 0 V
Te r m i n a l
No. Wire
color Item Measuring condition
Reference value
Ignition
switch Operation or condition
SKIA3362E
System Test item Diagnosis mode Description
BCM BUZZER Data Monitor Displays BCM input data in real time.
Active Test
Operation of electrical loads can be checked by sending driving signal
to them.
BCM Self Diagnostic Result BCM checks the conditions and displays memorized error.
Monitored item Description
IGN ON SW [On/Off] Indicates [On/Off] condition of ignition switch.
KEY ON SW [On/Off] Indicates [On/ Off] condition of key switch.
DOOR SW-DR [On/Off] Indicates [On/Off] condition of front door switch (driver side).
LIGHT SW 1ST [On/Off] Indicates [On/Off] condition of lighting switch.
BUCKLE SW [On/Off] Indicates [On/Off] condition of seat belt switch (driver side).
Test item Malfunction is detected when···
LIGHT WARN ALM This test is able to check light warning chime operation.
IGN KEY WARN ALM This test is able to ch eck ignition key warning chime operation.
SEAT BELT WARN TEST This test is able to check seat belt warning chime operation.
Monitored Item CONSULT-llI display Description
CAN communication CAN communication [U1000] Malfunction is detected in CAN communication.
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WARNING CHIMEDI-61
< SERVICE INFORMATION >
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If “CAN communication [U1000]” is indicated, after prin ting the monitor item, go to “LAN system”. Refer to
LAN-43, "
CAN System Specification Chart".
Trouble DiagnosisINFOID:0000000001328482
HOW TO PERFORM TROUBLE DIAGNOSIS
1. Confirm the symptom or customer complaint.
2. Understand operation description and function description. Refer to DI-51, "
System Description".
3. Perform the preliminary inspection. Refer to "PRELIMINARY INSPECTION".
4. Referring to trouble diagnosis chart, make sure the cause of the malfunction and repair or replace applica-
ble parts. Refer to DI-61, "
Symptom Chart".
5. Does the warning chime operate normally? If so, GO TO 6. If not, GO TO 3.
6. INSPECTION END
PRELIMINARY INSPECTION
1.CHECK BCM (CONSULT-III)
Perform self-diagnosis of BCM. Refer to DI-60, "
CONSULT-III Function (BCM)".
Self
-diagnosis results
No malfunction detected >> GO TO 2.
Malfunction detected >> Check applicable parts, and repair or replace corresponding parts.
2.CHECK UNIFIED METER AND A/C AMP. (CONSULT-III)
Perform self-diagnosis of unified meter and A/C amp. Refer to DI-27, "
CONSULT-III Function (METER/M&A)".
Self
-diagnosis results
No malfunction detected >> INSPECTION END
Malfunction detected >> Check applicable parts, and repair or replace corresponding parts.
Symptom ChartINFOID:0000000001328483
Power Supply and Ground Circuit InspectionINFOID:0000000001328484
1.CHECK FUSE AND FUSIBLE LINK
Check for blown BCM fuses and fusible link.
Symptom Diagnoses/Service procedure
All warning chimes do not activate. Perform the following inspections.
1.
DI-62, "
Combination Meter Buzzer Circuit Inspection".
2. DI-61, "
Power Supply and Ground Circuit Inspection".
Replace BCM, found normal function in the above inspections.
Ignition key
warning chime
does not acti-
vate. Without Intelligent Key.
Perform the following inspections.
1.
DI-63, "
Front Door Switch (Drive r Side) Signal Inspection".
2. DI-64, "
Key Switch Signal Inspection (Without Intelligent Key)".
Replace BCM, found normal function in the above inspections.
With Intelligent Key, when mechan-
ical key is used. Perform the following inspections.
1.
DI-63, "
Front Door Switch (Drive r Side) Signal Inspection".
2. DI-65, "
Key Switch and Ignition Knob Switch Signal Inspection (With In-
telligent Key, When Mechanical Key Is Used)".
Replace BCM, found normal function in the above inspections.
With Intelligent Key, when Intelli-
gent Key is carried with the driver. Refer to
BL-106, "
Trouble Diagnosis Symptom Chart".
Light warning chime does not activate. Perform the following inspections.
1.
DI-63, "
Front Door Switch (Drive r Side) Signal Inspection".
2. LT- 1 0 4 , "
Combination Switch Inspection".
Replace BCM, found normal function in the above inspections.
Seat belt warning chime does not activate. Perform
DI-66, "
Seat Belt Buckle Switch (D river Side) Signal Inspection".
Replace BCM, found normal function in the above inspection.
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DI-62
< SERVICE INFORMATION >
WARNING CHIME
OK or NG
OK >> GO TO 2.
NG >> Be sure to eliminate cause of malfunction before installing new fuse or fusible link. Refer to PG-3
.
2.CHECK POWER SUPPLY CIRCUIT
Check voltage between BCM harness connector terminals and
ground.
OK or NG
OK >> GO TO 3.
NG >> Check harness between BCM and fuse.
3.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check continuity between BCM harness connector M35 terminal 52 and ground.
OK or NG
OK >> INSPECTION END
NG >> Repair harness or connector.
Combination Meter Buzzer Circuit InspectionINFOID:0000000001328485
1.CHECK OPERATION OF COMBINATION METER BUZZER
1. Select “BUZZER” of “BCM” on CONSULT-III.
2. Perform “LIGHT WARN ALM”, “IGN KEY WARN AL M” or “SEAT BELT WARN TEST” of “Active Test”.
Does chime sound?
YES >> GO TO 4.
NO >> GO TO 2.
2.CHECK UNIFIED METER AND A/C AMP. INPUT SIGNAL
1. Select “METER/M&A” on CONSULT-III.
2. Operate switches to meet the requirements to s ound warning chime with “BUZZER” of “Data Monitor” and
check operation status.
Power source Fuse and fusible link No.
Battery power supply M
22
Ignition power supply 1
Terminals Ignition switch position
(+) (–) OFF ON
Connector Terminal
M34 38 Ground0 V Battery voltage
M35 42
Battery voltage Battery voltage
55
PKIB3988E
52 – Ground : Continui ty should exist.
PKIB5011E
“BUZZER”
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WARNING CHIMEDI-63
< SERVICE INFORMATION >
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OK or NG
OK >> GO TO 3.
NG >> Replace BCM. Refer to BCS-13, "
Removal and Installation of BCM".
3.CHECK BATTERY POWER SUPPLY CIRCUIT OF COMBINATION METER
Check battery power supply circuit of combination meter. Refer to DI-16, "
Power Supply and Ground Circuit
Inspection".
OK or NG
OK >> Replace combination meter.
NG >> Check harness between combination meter and fuse.
4.CHECK BATTERY POWER SUPPLY CIRCUI T OF UNIFIED METER AND A/C AMP.
Check battery power supply circuit of unified meter and A/C amp. Refer to DI-29, "
Power Supply and Ground
Circuit Inspection".
OK or NG
OK >> INSPECTION END
NG >> Check harness between unified meter and A/C amp. and fuse.
Front Door Switch (Drive r Side) Signal InspectionINFOID:0000000001328486
1.CHECK BCM INPUT SIGNAL
With CONSULT-III
1. Select “BCM” on consult-III.
2. With “Data Monitor” of “BUZZER”, confirm “D OOR SW-DR” when the driver side door is operated.
Without CONSULT-III
Check voltage between BCM harness connector B14 terminal 62 and ground.
OK or NG
OK >> INSPECTION END
NG >> GO TO 2.
2.CHECK FRONT DOOR SWIT CH (DRIVER SIDE) CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector and front door switch (driver side) connector. When meeting the requirements
to sound warning chime
: On
Except above : Off
“DOOR SW-DR”
When driver side door is opened : On
When driver side door is closed : Off
62 – Ground
When driver side door is opened : Approx. 0 V
When driver side door is closed : Approx. 12 V
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DI-64
< SERVICE INFORMATION >
WARNING CHIME
3. Check continuity between BCM harness connector B14 terminal62 and front door switch (driver side) harness connector B26 ter-
minal 1.
4. Check continuity between BCM harness connector B14 terminal 62 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connector.
3.CHECK FRONT DOOR SWITCH (DRIVER SIDE)
Check front door switch (driver side). Refer to DI-67, "
Component Inspection".
OK or NG
OK >> Replace BCM. Refer to BCS-13, "Removal and Installation of BCM".
NG >> Replace front door switch (driver side).
Key Switch Signal Inspection (Without Intelligent Key)INFOID:0000000001328487
1.CHECK BCM INPUT SIGNAL
With CONSULT-III
1. Select “BCM” on consult-III.
2. With “Data Monitor” of “BUZZER”, conf irm “KEY ON SW” when the key is operated.
Without CONSULT-III
Check voltage between BCM harness connector M3 terminal 37 and
ground.
OK or NG
OK >> INSPECTION END
NG >> GO TO 2.
2.CHECK KEY SWITCH
1. Turn ignition switch OFF.
2. Disconnect key switch connector.
3. Check key switch. Refer to DI-67, "
Component Inspection".
OK or NG
OK >> GO TO 3.
NG >> Replace key switch.
3.CHECK KEY SWITCH CIRCUIT
1. Disconnect BCM connector. 62 – 1 : Continui
ty should exist.
62 – Ground : Continuity should not exist.
SKIA5046E
“KEY ON SW”
When key is inserte d to ignition
key cylinder : On
When key is removed from igni-
tion key cylinder : Off
37 – Ground
When key is inserte
d to ignition
key cylinder : Approx. 12 V
When key is removed from igni-
tion key cylinder : Approx. 0 V
SKIA5048E
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WARNING CHIMEDI-65
< SERVICE INFORMATION >
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2. Check continuity between BCM harness connector M3 terminal 37 and key switch harness connector M23 terminal 1.
3. Check continuity between BCM harness connector M3 terminal 37 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair harness or connector.
4.CHECK KEY SWITCH POWER SUPPLY CIRCUIT
Check voltage between key switch harness connector M23 terminal
2 and ground.
OK or NG
OK >> Replace BCM. Refer to BCS-13, "Removal and Installa-
tion of BCM".
NG >> Check harness between key switch and fuse.
Key Switch and Ignition Knob Switch Signal Inspection (With Intelligent Key, When Me-
chanical Key Is Used)
INFOID:0000000001328488
1.CHECK BCM INPUT SIGNAL
With CONSULT-III
1. Select “BCM” on consult-III.
2. With “Data Monitor” of “BUZZER”, conf irm “KEY ON SW” when the key is operated.
Without CONSULT-III
Check voltage between BCM harness connector M3 terminal 37 and ground.
OK or NG
OK >> INSPECTION END
NG >> GO TO 2.
2.CHECK KEY SWITCH AND IG NITION KNOB SWITCH
1. Turn ignition switch OFF.
2. Disconnect key switch and i gnition knob switch connector.
3. Check key switch and ignition knob switch. Refer to DI-67, "
Component Inspection".
37 – 1 : Continuity should exist.
37 – Ground : Continuity should not exist.
PKIB3833E
2 – Ground : Battery voltage
SKIA5051E
“KEY ON SW”
When key is inserted to ignition
key cylinder
: On
When key is removed from igni-
tion key cylinder : Off
37 – Ground
When key is inserted to ignition
key cylinder: Approx. 12 V
When key is removed from igni-
tion key cylinder : Approx. 0 V
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DI-66
< SERVICE INFORMATION >
WARNING CHIME
OK or NG
OK >> GO TO 3.
NG >> Replace key switch and ignition knob switch.
3.CHECK KEY SWITCH AND IGNITION KNOB SWITCH CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between BCM harness connector M3 terminal 37 and key switch and ignition knob switch harness connector
M22 terminal 4.
3. Check continuity between BCM harness connector M3 terminal 37 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair harness or connector.
4.CHECK KEY SWITCH PO WER SUPPLY CIRCUIT
Check voltage between key switch and ignition knob switch harness
connector M22 terminal 3 and ground.
OK or NG
OK >> Replace BCM. Refer to BCS-13, "Removal and Installa-
tion of BCM".
NG >> Check harness between key switch and ignition knob switch and fuse.
Lighting Switch Signal InspectionINFOID:0000000001328489
1.CHECK BCM INPUT SIGNAL
1. Select “BCM” on CONSULT-III.
2. With “Data Monitor” of “BUZZER”, confirm “LIG HT SW 1ST” when the lighting switch is operated.
OK or NG
OK >> INSPECTION END
NG >> Check the lighting switch. Refer to LT-104, "
Combination Switch Inspection".
Seat Belt Buckle Switch (Driver Side) Signal InspectionINFOID:0000000001328490
1.CHECK UNIFIED METER AND A/C AMP. INPUT SIGNAL
1. Select “METER/M&A” on CONSULT-III.
2. With “Data Monitor” of “MET ER/M&A”, confirm “SEAT BELT W/L” when the seat belt is operated.
37 – 4 : Continuity should exist.
37 – Ground : Continuity should not exist.
PKIB3578E
3 – Ground : Battery voltage
SKIA5063E
“LIGHT SW 1ST”
Lighting switch ON (1st position) : On
Lighting switch OFF : Off
“SEAT BELT W/L”
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WARNING CHIMEDI-67
< SERVICE INFORMATION >
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OK or NG
OK >> INSPECTION END
NG >> GO TO 2.
2.CHECK COMBINATION METER INPUT SIGNAL
1. Turn ignition switch ON.
2. Check voltage between combination meter harness connector M20 terminal 9 and ground.
OK or NG
OK >> Replace combination meter.
NG >> GO TO 3.
3.CHECK SEAT BELT BUCKLE SWITCH (DRIVER SIDE) CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect combination meter connector and seat belt buckle switch (driver side) connector.
3. Check continuity between combination meter harness connector M20 terminal 9 and seat belt buckle switch (driver side) harness
connector B160 terminal 60.
4. Check harness continuity between combination meter harness connector M20 terminal 9 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair harness or connector.
4.CHECK SEAT BELT BUCKLE SWITCH (DRIVER SIDE)
Check seat belt buckle switch (driver side). Refer to DI-67, "
Component Inspection".
OK or NG
OK >> Check seat belt buckle switch (driver side) ground circuit.
NG >> Replace seat belt buckle switch (driver side).
Component InspectionINFOID:0000000001328491
FRONT DOOR SWITCH (DRIVER SIDE)
When seat belt (driver side)
is fastened : Off
When seat belt (driver side)
is unfastened : On
9 – Ground
When seat belt (driver side)
is fastened : Approx. 12 V
When seat belt (driver side)
is unfastened : Approx. 0 V
SKIA5052E
9 – 60 : Continuity should exist.
9 – Ground : Continuity should not exist.
PKIB3579E
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DI-68
< SERVICE INFORMATION >
WARNING CHIME
Check continuity between terminal 1 and door switch case ground.
KEY SWITCH
Check continuity between terminals 1 and 2.
KEY SWITCH AND IGNITION KNOB SWITCH
Check continuity between terminals 3 and 4.
SEAT BELT BUCKLE SWITCH (DRIVER SIDE)
Check continuity between terminals 60 and 61A.1 – Front door switch
(Driver side) case ground
When front door switch
(driver side) is released : Continuity should exist.
When front door switch
(driver side) is pushed : Continuity should not exist.
PKIA3718E
1 – 2
When key is inserted to igni-
tion key cylinder : Continuity
should exist.
When key is removed from
ignition key cylinder : Continuity should not
exist.
SKIA5049E
3 – 4
When key is inserted to igni-
tion key cylinder: Continuity
should exist.
When key is removed from
ignition key cylinder : Continuity should not
exist.
SKIA5060E
60 – 61A
When seat belt (driver side)
is fastened: Continuity should not
exist.
When seat belt (driver side)
is unfastened : Continuity
should exist.
SKIA5053E
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LANE DEPARTURE WARNING SYSTEMDI-71
< SERVICE INFORMATION >
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NOTE:
*: This indicates in a few seconds for the system check during ignition switch ON.
POWER SUPPLY AND GROUND CIRCUIT
With the ignition switch in the ON or START position, power is supplied
 through 10A fuse [No. 12, located in the fuse block (J/B)]
 to LDW camera unit terminal 1.
Ground is supplied
 to LDW camera unit terminals 6 and 12
 through grounds M45, M85 and M35.
Action TestINFOID:0000000001328494
LDW SYSTEM RUNNING TEST
WARNING:
 Be careful when performing road test.
 Understand “Precautions” and “System Description” well before the road test. Refer to DI-69, "
Pre-
caution for Lane Departure Warning (LDW) system" and DI-69, "System Description".
Function Check
Check the LDW system operation according to the c ondition that the warning function works. Refer to DI-69,
"System Description".
Camera Aiming AdjustmentINFOID:0000000001328495
OUTLINE
Adjust the camera aiming every time the LDW camera unit is removed or installed.
CAUTION:
 Place the vehicle on the level ground when the camera aiming adjustment is operated.
 Follow the CONSULT-III when ad justing the camera aiming. (Camera aiming adjustment cannot be
operated without CONSULT-III.)
PREPARATION
 Keep all tires inflated to correct pressures. Adjust the tire pressure to the specified pressure value.
 There is no-load in vehicle. Check if coolant, engine oil are filled up to correct level and fuel tank is full.
 Shift the gear into “P” position and release the parking brake.
 Clean the windshield.
NOTE:
Do not place anything reflective on t he upper surface of instrument panel.
TARGET SETTING
Preparation Aiming Adjustment Jig
Component Description
LDW camera unit Detects the lane marker by the built-in camera, gives judgement for the warning according to the result
of detection and signals from each unit, and transmits the operation signal to LDW chime and LDW
indicator lamp.
LDW switch  Selects ON/OFF of the system.
 Indicates ON/OFF of the signal with LDW system ON indicator.
LDW chime Gives a warning chime according to the direction from LDW camera unit.
LDW indicator lamp Installed in combination meter, and indicates the system condition.
 Blinks when LDW system is functioning to alert the driver.
 Stays on when LDW system is malfunctioning.
*
BCM Transmits turn indicator signal to LDW camera unit with CAN communication signal.
ABS actuator and electric unit
(control unit)
Transmits vehicle speed signal to LDW camera unit with CAN communication signal.
TCM Transmits vehicle speed signal to LDW camera unit with CAN communication signal. (For detecting
incorrect speed.)
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