2007 INFINITI M35 ignition

HEADLAMP (FOR USA) - CONVENTIONAL TYPE -
LT-29
C
D
E
F
G
H
I
J
L
MA
B
LT
Revision: 2007 April2007 M35/M45
Headlamp High Beam Does Not Illuminate (One Side)NKS003OB
1. CHECK BULB
Check bulb of lamp which does not illuminate.
OK or NG
OK >> GO TO 2.
NG >> Replace headlamp bulb.
2. CHECK HEADLAMP INPUT SIGNAL
With CONSULT-II
1. Turn ignition switch OFF.
2. Disconnect front combination lamp RH or LH connector.
3. Select “IPDM E/R” on CONSULT-II. Select “ACTIVE TEST” on “SELECT DIAG MODE” screen.
4. Select “LAMPS” on “SELECT TEST ITEM” screen.
5. Touch “HI” screen.
6. When headlamp high beam is operating, check voltage between
front combination lamp RH or LH harness connector and
ground. (Headlamp high beam repeats ON-OFF every 1 sec-
ond.)
Without CONSULT-II
1. Turn ignition switch OFF.
2. Disconnect front combination lamp RH or LH connector.
3. Start auto active test. Refer to PG-23, "
Auto Active Test" .
4. When headlamp high beam is operating, check voltage between front combination lamp RH or LH har-
ness connector and ground.
OK or NG
OK >> GO TO 3.
NG >> GO TO 4.
Terminal
Voltage
(Approx.) (+)
(-)
Front combination lamp
connectorTerminal
RH E47 6
Ground Battery voltage
LH E54 6
Terminal
Voltage
(Approx.) (+)
(-)
Front combination lamp
connectorTerminal
RH E47 6
Ground Battery voltage
LH E54 6
SKIB4749E

LT-30
HEADLAMP (FOR USA) - CONVENTIONAL TYPE -
Revision: 2007 April2007 M35/M45
3. CHECK HEADLAMP GROUND
1. Turn ignition switch OFF.
2. Check continuity between front combination lamp RH or LH har-
ness connector and ground.
OK or NG
OK >> Check connecting condition headlamp harness and con-
nector.
NG >> Repair harness or connector.
4. CHECK CIRCUIT BETWEEN IPDM E/R AND FRONT COMBINATION LAMP
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connector and front combination lamp RH or LH connector.
3. Check continuity between IPDM E/R harness connector (A) and
front combination lamp RH or LH harness connector (B).
4. Check continuity between IPDM E/R harness connector (A) and
ground.
OK or NG
OK >> Replace IPDM E/R. Refer to PG-31, "Removal and Installation of IPDM E/R" .
NG >> Repair harness or connector.
High Beam Indicator Lamp Does Not IlluminateNKS003OC
1. CHECK UNIFIED METER AND A/C AMP.
1. Select “METER A/C AMP” on CONSULT-II, and perform self-
diagnosis for “METER A/C AMP”.
2. Check if malfunction is indicated.
Is malfunction indicated?
YES >> Repair or replace malfunctioning parts.
NO >> GO TO 2.
Front combination lamp
connectorTerminal
GroundContinuity
RH E47 2
Ye s
LH E54 2
SKIB4750E
CircuitAB
Continuity
Connector Terminal Connector Terminal
RH
E727 E47 6
Ye s
LH 28 E54 6
A
GroundContinuity
Connector Terminal
RH
E727
No
LH 28
SKIB4753E
PKIA6866E

LT-32
HEADLAMP (FOR USA) - CONVENTIONAL TYPE -
Revision: 2007 April2007 M35/M45
3. CHECK IPDM E/R
1. Select “IPDM E/R” on CONSULT-II. Select “DATA MONITOR”
on “SELECT DIAG MODE” screen.
2. Make sure “HL LO REQ” turns ON when lighting switch is in
2ND position.
OK or NG
OK >> Replace IPDM E/R. Refer to PG-31, "Removal and
Installation of IPDM E/R" .
NG >> Replace BCM. Refer to BCS-15, "
Removal and Installa-
tion of BCM" .
4. CHECK HEADLAMP INPUT SIGNAL
With CONSULT-II
1. Turn ignition switch OFF.
2. Disconnect front combination lamp RH and LH connector.
3. Select “IPDM E/R” on CONSULT-II. Select “ACTIVE TEST” on “SELECT DIAG MODE” screen.
4. Select “LAMPS” on “SELECT TEST ITEM” screen.
5. Touch “LO” screen.
6. When headlamp low beam is operating, check voltage between
front combination lamp (RH and LH) harness connector and
ground.
Without CONSULT-II
1. Turn ignition switch OFF.
2. Disconnect front combination lamp RH and LH connector.
3. Start auto active test. Refer to PG-23, "
Auto Active Test" .
4. When headlamp low beam is operating, check voltage between front combination lamp (RH and LH) har-
ness connector and ground.
OK or NG
OK >> GO TO 5.
NG >> GO TO 6.When lighting switch is 2ND
position: HL LO REQ ON
PKIA7644E
Terminal
Voltage
(Approx.) (+)
(-)
Front combination lamp
connectorterminal
RH E47 8
Ground Battery voltage
LH E54 8
Terminal
Voltage
(Approx.) (+)
(-)
Front combination lamp
connectorterminal
RH E47 8
Ground Battery voltage
LH E54 8
SKIB4758E

HEADLAMP (FOR USA) - CONVENTIONAL TYPE -
LT-33
C
D
E
F
G
H
I
J
L
MA
B
LT
Revision: 2007 April2007 M35/M45
5. CHECK HEADLAMP GROUND
1. Turn ignition switch OFF.
2. Check continuity between front combination lamp (RH and LH)
harness connector and ground.
OK or NG
OK >> Check headlamp harness and connectors.
NG >> Repair harness or connector.
6. CHECK CIRCUIT BETWEEN IPDM E/R AND FRONT COMBINATION LAMP
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connector.
3. Check continuity between IPDM E/R harness connector (A) and
front combination lamp (RH and LH) harness connector (B).
4. Check continuity between IPDM E/R harness connector (A) and
ground.
OK or NG
OK >> Replace IPDM E/R. Refer to PG-31, "Removal and Installation of IPDM E/R" .
NG >> Repair harness or connector.
Front combination lamp
connectorTe r m i n a l
GroundContinuity
RH E47 4
Ye s
LH E54 4
SKIB4759E
CircuitAB
Continuity
Connector Terminal Connector Terminal
RH
E720 E47 8
Ye s
LH 30 E54 8
A
GroundContinuity
Connector Terminal
RH
E720
No
LH 30
SKIB4760E

LT-34
HEADLAMP (FOR USA) - CONVENTIONAL TYPE -
Revision: 2007 April2007 M35/M45
Headlamp Low Beam Does Not Illuminate (One Side)NKS003OE
1. CHECK BULB
Check bulb of lamp which does not illuminate.
OK or NG
OK >> GO TO 2.
NG >> Replace headlamp bulb.
2. CHECK HEADLAMP INPUT SIGNAL
With CONSULT-II
1. Turn ignition switch OFF.
2. Disconnect front combination lamp RH or LH connector.
3. Select “IPDM E/R” on CONSULT-II. Select “ACTIVE TEST” on “SELECT DIAG MODE” screen.
4. Select “LAMPS” on “SELECT TEST ITEM” screen.
5. Touch “LO” screen.
6. When headlamp low beam is operating, check voltage between
front combination lamp RH or LH harness connector and
ground.
Without CONSULT-II
1. Turn ignition switch OFF.
2. Disconnect front combination lamp RH or LH connector.
3. Start auto active test. Refer to PG-23, "
Auto Active Test" .
4. When headlamp low beam is operating, check voltage between front combination lamp RH or LH harness
connector and ground.
OK or NG
OK >> GO TO 3.
NG >> GO TO 4.
Terminal
Voltage
(Approx.) (+)
(-)
Front combination lamp
connectorterminal
RH E47 8
Ground Battery voltage
LH E54 8
Terminal
Voltage
(Approx.) (+)
(-)
Front combination lamp
connectorterminal
RH E47 8
Ground Battery voltage
LH E54 8
SKIB4758E

HEADLAMP (FOR USA) - CONVENTIONAL TYPE -
LT-35
C
D
E
F
G
H
I
J
L
MA
B
LT
Revision: 2007 April2007 M35/M45
3. CHECK HEADLAMP GROUND
1. Turn ignition switch OFF.
2. Check continuity between front combination lamp RH or LH har-
ness connector and ground.
OK or NG
OK >> Check headlamp harness and connectors.
NG >> Repair harness or connector.
4. CHECK CIRCUIT BETWEEN IPDM E/R AND FRONT COMBINATION LAMP
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connector.
3. Check continuity between IPDM E/R harness connector (A) and
front combination lamp RH or LH harness connector (B).
4. Check continuity between IPDM E/R harness connector (A) and
ground.
OK or NG
OK >> Replace IPDM E/R. Refer to PG-31, "Removal and Installation of IPDM E/R" .
NG >> Repair harness or connector.
Front combination lamp
connectorTe r m i n a l
GroundContinuity
RH E47 4
Ye s
LH E54 4
SKIB4759E
CircuitAB
Continuity
Connector Terminal Connector Terminal
RH
E720 E47 8
Ye s
LH 30 E54 8
A
GroundContinuity
Connector Terminal
RH
E720
No
LH 30
SKIB4760E

LT-36
HEADLAMP (FOR USA) - CONVENTIONAL TYPE -
Revision: 2007 April2007 M35/M45
Headlamps Do Not Turn OFFNKS003OF
1. CHECK HEADLAMP TURN OFF
Make sure that lighting switch is OFF. And make sure headlamp turns off when ignition switch is turned OFF.
OK or NG
OK >> GO TO 3.
NG >> GO TO 2.
2. CHECK COMBINATION SWITCH INPUT SIGNAL
Select “BCM” on CONSULT-II. With “HEAD LAMP” data monitor,
make sure “HEAD LAMP SW 1” and “HEAD LAMP SW 2” turns ON-
OFF linked with operation of lighting switch.
OK or NG
OK >> Replace IPDM E/R. Refer to PG-31, "Removal and
Installation of IPDM E/R" .
NG >> Check combination switch (lighting switch). Refer to LT-
239, "Combination Switch Inspection" .
3. CHECK CAN COMMUNICATIONS BETWEEN BCM AND IPDM E/R
Select “BCM” on CONSULT-II, and perform self-diagnosis for “BCM”.
Display of self-diagnosis results
NO DTC>> Replace IPDM E/R. Refer to PG-31, "Removal and
Installation of IPDM E/R" .
CAN COMM CIRCUIT>> Refer to BCS-13, "
CAN Communication
Inspection Using CONSULT-II (Self-Diagnosis)" . When lighting switch is OFF
position: HEAD LAMP SW 1 OFF
: HEAD LAMP SW 2 OFF
PKIA7588E
PKIA7627E

HEADLAMP (FOR USA) - XENON TYPE -
LT-43
C
D
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F
G
H
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L
MA
B
LT
Revision: 2007 April2007 M35/M45
OUTLINE
Power is supplied at all times

to headlamp high relay, located in IPDM E/R and

to headlamp low relay, located in IPDM E/R, from battery direct,

through 15A fuse (No. 71, located in IPDM E/R)

to CPU, located in IPDM E/R,

through 15A fuse (No. 78, located in IPDM E/R)

to CPU, located in IPDM E/R,

through 50A fusible link (letter F, located in fuse and fusible link block)

to BCM terminal 55,

through 10A fuse [No. 21, located in fuse block (J/B)]

to BCM terminal 42 and

to combination meter terminal 23,

through 10A fuse [No. 19, located in fuse block (J/B)]

to unified meter and A/C amp. terminal 54,

through 10A fuse [No. 22, located in fuse block (J/B)]

to key slot terminal 1.
When the ignition switch is in the ON or START position, power is supplied

to CPU, located in IPDM E/R,

through 15A fuse [No. 1, located in fuse block (J/B)]

to BCM terminal 38,

through 10A fuse [No. 14, located in fuse block (J/B)]

to combination meter terminal 12,

through 10A fuse [No. 12, located in fuse block (J/B)]

to unified meter and A/C amp. terminal 53.
When the ignition switch is in the ACC or ON position, power is supplied

through 10A fuse [No. 6, located in fuse block (J/B)]

to BCM terminal 11.
Ground is supplied

to BCM terminal 52

to combination meter terminals 9, 10, and 11

to unified meter and A/C amp. terminals 55 and 71

to push-button ignition switch (push switch) terminal 1

to key slot terminal 8

through grounds M16 and M70,

to IPDM E/R terminals 38 and 51

through grounds E22 and E43.