ignition INFINITI M35 2007 Factory Service Manual

TURN SIGNAL AND HAZARD WARNING LAMPS
LT-221
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Revision: 2007 April2007 M35/M45
How to Perform Trouble DiagnosesNKS003RR
1. Confirm the symptom or customer complaint.
2. Understand operation description and function description. Refer to LT- 2 1 2 , "
System Description" .
3. Perform the Preliminary Check. Refer to LT- 2 2 2 , "
Preliminary Check" .
4. Check symptom and repair or replace the cause of malfunction.
5. Do turn signal and hazard warning lamps operate normally? If YES, GO TO 6. If NO, GO TO 4.
6. INSPECTION END
45 GFlasher output
(Left)ON Turn signal switchTo l e f t
OFF Approx. 0 V
46 LFlasher output
(Right)ON Turn signal switchTo right
OFF Approx. 0 V
52 B Ground ON — Approx. 0 V
55 WBattery power
supplyOFF — Battery voltage Terminal
No.Wire
colorSignal nameMeasuring condition
Reference value
Ignition
switchOperation or condition
SKIA3009J
SKIA3009J

LT-222
TURN SIGNAL AND HAZARD WARNING LAMPS
Revision: 2007 April2007 M35/M45
Preliminary CheckNKS003RS
CHECK POWER SUPPLY AND GROUND CIRCUIT
1. CHECK FUSES AND FUSIBLE LINK
Check for blown fuses and fusible link.
Refer to LT-216, "Wiring Diagram — TURN —" .
OK or NG
OK >> GO TO 2.
NG >> If fuse or fusible link is blown, be sure to eliminate cause of malfunction before installing new fuse
or fusible link. Refer to PG-3, "
POWER SUPPLY ROUTING CIRCUIT" .
2. CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check voltage between BCM harness connector and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connector.
3. CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
OK or NG
OK >> INSPECTION END
NG >> Repair harness or connector.
Unit Power source Fuse and fusible link No.
BCMBatteryF
21
Ignition switch ON or START position 1
Combination meterBattery 21
Ignition switch ON or START position 14
Unified meter and A/C amp.Battery 19
Ignition switch ON or START position 12
Terminal Ignition switch position
(+)
(-) OFF ON
BCM
connectorTerminal
M1 38
GroundApprox. 0 V Battery voltage
M242 Battery voltage Battery voltage
55 Battery voltage Battery voltage
PKIB5199E
BCM connector Terminal
GroundContinuity
M2 52 Yes
SKIB5125E

TURN SIGNAL AND HAZARD WARNING LAMPS
LT-223
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Revision: 2007 April2007 M35/M45
CONSULT-II Functions (BCM)NKS003RT
CONSULT-II can display each diagnostic item using the diagnostic test mode shown following.
CONSULT-II BASIC OPERATION
Refer to GI-38, "CONSULT-II Start Procedure" .
DATA MONITOR
Operation Procedure
1. Touch “FLASHER” on “SELECT TEST ITEM” screen.
2. Touch “DATA MONITOR” on “SELECT DIAG MODE” screen.
3. Touch either “ALL SIGNALS” or “SELECTION FROM MENU” on the “SELECT MONITOR ITEM” screen.
4. When “SELECTION FROM MENU” is selected, touch items to be monitored. When “ALL SIGNALS” is
selected, all the items will be monitored.
5. Touch “START”.
6. Touch “RECORD” while monitoring, then the status of the monitored item can be recorded. To stop
recording, touch “STOP”.
Display Item List
ACTIVE TEST
Operation Procedure
1. Touch “FLASHER” on “SELECT TEST ITEM” screen.
2. Touch “ACTIVE TEST” on “SELECT DIAG MODE” screen.
3. Touch item to be tested and check operation of the selected item.
4. During the operation check, touching “BACK” deactivates the operation.
Display Item List
BCM diagnosis part Diagnosis mode Description
FLASHERDATA MONITOR Displays BCM input data in real time.
ACTIVE TEST Operation of electrical loads can be checked by sending driving signal to them.
ALL SIGNALS Monitors all the signals.
SELECTION FROM MENU Selects items and monitor them.
Monitor item Contents
IGN ON SW “ON/OFF” Displays “IGN position (ON)/OFF, ACC position (OFF)” judged from the ignition switch signal.
HAZARD SW “ON/OFF” Displays “hazard ON (ON)/hazard OFF (OFF)” status, determined from hazard switch signal.
TURN SIGNAL R “ON/OFF” Displays “turn right (ON)/other (OFF)” status, determined from lighting switch signal.
TURN SIGNAL L “ON/OFF” Displays “turn left (ON)/other (OFF)” status, determined from lighting switch signal.
Test item Description
FLASHER (RIGHT) Turn signal lamp (right) can be operated by any ON-OFF operations.
FLASHER (LEFT) Turn signal lamp (left) can be operated by any ON-OFF operations.

TURN SIGNAL AND HAZARD WARNING LAMPS
LT-225
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Revision: 2007 April2007 M35/M45
4. CHECK TURN SIGNAL LAMP CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector, front combination lamp RH and LH connector, side turn signal lamp RH and
LH connector, rear combination lamp RH and LH connector.
3. Check continuity between BCM harness connector (A) and front
combination lamp (RH and LH) harness connector (B).
4. Check continuity between BCM harness connector (A) and side
turn signal lamp (RH and LH) harness connector (B).
5. Check continuity between BCM harness connector (A) and rear
combination lamp (RH and LH) harness connector (B).
OK or NG
OK >> GO TO 5.
NG >> Repair harness or connector.
5. CHECK SIGNAL LAMP CIRCUIT (SHORT CIRCUIT)
Check continuity between BCM harness connector and ground.
OK or NG
OK >> Replace BCM. Replace BCM if turn signal lamp does
not work after setting the connector again. Refer to
BCS-15, "
Removal and Installation of BCM" .
NG >> Repair harness or connector.
CircuitAB
Continuity
Connector Terminal Connector Terminal
LH
M245 E55 10
Ye s
RH 46 E49 10
SKIB4807E
CircuitAB
Continuity
Connector Terminal Connector Terminal
LH
M245 E68 1
Ye s
RH 46 E28 1
PKID0504E
CircuitAB
Continuity
Connector Terminal Connector Terminal
LH
M245 B135 3
Ye s
RH 46 B130 3
SKIB4809E
BCM connector Terminal
GroundContinuity
M245
No
46
PKIA6289E

LT-226
TURN SIGNAL AND HAZARD WARNING LAMPS
Revision: 2007 April2007 M35/M45
Hazard Warning Lamp Does Not Operate But Turn Signal Lamp OperateNKS003RV
1. CHECK CIRCUIT BETWEEN HAZARD SWITCH AND BCM
With CONSULT-II
1. Select “BCM” on CONSULT-II. Select “FLASHER” on “SELECT
TEST ITEM” screen.
2. Select “DATA MONITOR” on “SELECT DIAG MODE” screen.
Make sure “HAZARD SW” turns ON-OFF linked with operation
of multifunction switch (hazard switch).
Without CONSULT-II
Check voltage between BCM harness connector and ground.
OK or NG
OK >> Replace BCM. Refer to BCS-15, "Removal and Installa-
tion of BCM" .
NG >> GO TO 2.
2. CHECK HAZARD SWITCH BCM CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector and multifunction switch connector.
3. Check continuity between BCM harness connector (A) and mul-
tifunction switch harness connector (B).
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connector.When hazard switch is ON position : HAZARD SW ON
PKIA7601E
Terminal
ConditionVoltage
(Approx.) (+)
(-)
Connector Terminal
M1 29 GroundHazard switch is ON. 0 V
Hazard switch is OFF. Battery Voltage
PKIB6809E
AB
Continuity
Connector Terminal Connector Terminal
M1 29 M69 6 Yes
SKIB4812E

COMBINATION SWITCH
LT-233
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Revision: 2007 April2007 M35/M45
Combination Switch Reading FunctionNKS003S6
For details, refer to BCS-3, "COMBINATION SWITCH READING FUNCTION" .
Terminals and Reference Values for BCMNKS003S7
CAUTION:

Check combination switch system terminal waveform under the loaded condition with lighting
switch, turn signal switch and wiper switch OFF not to be fluctuated by overloaded.

Turn wiper dial position to 4 except when checking waveform or voltage of wiper dial position.
Wiper dial position can be confirmed on CONSULT-II. Refer to LT- 2 3 8 , "
DATA MONITOR" .
Terminal
No.Wire
colorSignal nameMeasuring condition
Reference value
Ignition
switchOperation or condition
2L/RCombination
switch input 5ONLighting, turn, wiper
switch
(Wiper dial position 4)
Any of several con-
ditions below

Lighting switch 1ST

Turn signal switch to
right

Lighting switch HI
beam (Operates only
HI beam switch)Approx. 1.0 V
Lighting switch 2ND
Approx. 2.0 V
OFF Approx. 0 V
3O/LCombination
switch input 4ONLighting, turn, wiper
switch
(Wiper dial position 4)Front fog lamp switch
ON
Approx. 0.8 V
Any of several con-
ditions below

Lighting switch 2ND

Lighting switch
PASSING (Operates
only PASSING switch)

Turn signal switch to
leftApprox. 1.0 V
OFF Approx. 0 V
PKIB4957J
PKIB4953J
PKIB4955J
PKIB4957J

LT-234
COMBINATION SWITCH
Revision: 2007 April2007 M35/M45
4R/GCombination
switch input 3ONLighting, turn, wiper
switch
(Wiper dial position 4)
Any of several con-
ditions below

Lighting switch AUTO

Front wiper switch
MIST

Front wiper switch INT

Front wiper switch LO
Approx. 1.0 V
OFF Approx. 0 V
5YCombination
switch input 2ONLighting, turn, wiper
switch
Any of several con-
ditions below

Front washer switch
(Wiper dial position 4)

Wiper dial position 1

Wiper dial position 5

Wiper dial position 6
Approx. 1.0 V
OFF
(Wiper dial position 4)Approx. 0 V
6LG/BCombination
switch input 1ONLighting, turn, wiper
switch
Any of several con-
ditions below

Front wiper switch HI
(Wiper dial position 4)

Wiper dial position 3
Approx. 1.0 V
Any of several con-
ditions below

Wiper dial position 1

Wiper dial position 2
Approx. 1.7 V
Any of several con-
ditions below

Wiper dial position 6

Wiper dial position 7
Approx. 0.8 V
OFF
(Wiper dial position 4)Approx. 0 V Te r m i n a l
No.Wire
colorSignal nameMeasuring condition
Reference value
Ignition
switchOperation or condition
PKIB4957J
PKIB4957J
PKIB4959J
PKIB4952J
PKIB4955J

COMBINATION SWITCH
LT-235
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32 LGCombination
switch output 5ONLighting, turn, wiper
switch
Any of several con-
ditions below

Front fog lamp switch
(Operates only front
fog lamp switch)
(Wiper dial position 4)

Wiper dial position 1

Wiper dial position 2

Wiper dial position 6

Wiper dial position 7Approx. 1.0 V
OFF
(Wiper dial position 4)
Approx. 7.0 - 7.5 V
33 GRCombination
switch output 4ONLighting, turn, wiper
switch
Any of several con-
ditions below

Lighting switch AUTO
(Wiper dial position 4)

Lighting switch 1ST
(The same result with
lighting switch 2ND)
(Wiper dial position 4)

Wiper dial position 1

Wiper dial position 5

Wiper dial position 6Approx. 1.2 V
OFF
(Wiper dial position 4)
Approx. 7.0 - 7.5 V Terminal
No.Wire
colorSignal nameMeasuring condition
Reference value
Ignition
switchOperation or condition
PKIB4956J
PKIB4960J
PKIB4958J
PKIB4960J

LT-236
COMBINATION SWITCH
Revision: 2007 April2007 M35/M45
34 LCombination
switch output 3ONLighting, turn, wiper
switch
Any of several con-
ditions below

Lighting switch 2ND
(Wiper dial position 4)

Lighting switch HI
beam (Operates only
HI beam switch)
(Wiper dial position 4)

Wiper dial position 1

Wiper dial position 2

Wiper dial position 3Approx. 1.2 V
OFF
(Wiper dial position 4)
Approx. 7.0 - 7.5 V
35 SBCombination
switch output 2ONLighting, turn, wiper
switch
(Wiper dial position 4)
Any of several con-
ditions below

Lighting switch 2ND

Lighting switch
PASSING (Operates
only PASSING switch)

Front wiper switch INT

Front wiper switch HIApprox. 1.2 V
OFF
Approx. 7.0 - 7.5 V Te r m i n a l
No.Wire
colorSignal nameMeasuring condition
Reference value
Ignition
switchOperation or condition
PKIB4958J
PKIB4960J
PKIB4958J
PKIB4960J

COMBINATION SWITCH
LT-237
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36 VCombination
switch output 1ONLighting, turn, wiper
switch
(Wiper dial position 4)
Any of several con-
ditions below

Turn signal switch
right

Turn signal switch left

Front wiper switch
MIST

Front wiper switch LO

Front washer switchApprox. 1.2 V
OFF
(Wiper dial position 4)
Approx. 7.0 - 7.5 V
38 WIgnition switch
(ON) ON — Battery voltage
39 L CAN − H— — —
40 P CAN − L— — —
42 PBattery power
supplyOFF — Battery voltage
52 B Ground ON — Approx. 0 V
55 WBattery power
supplyOFF — Battery voltage Terminal
No.Wire
colorSignal nameMeasuring condition
Reference value
Ignition
switchOperation or condition
PKIB4958J
PKIB4960J