ignition INFINITI M35 2007 Factory Service Manual

LT-98
HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM -
Revision: 2007 April2007 M35/M45
4. CHECK DAYTIME LIGHT RELAY POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Remove daytime light relay.
3. Check voltage between daytime light relay harness connector
and ground.
OK or NG
OK >> GO TO 5.
NG >> Repair harness or connector.
5. CHECK DAYTIME LIGHT RELAY
Check continuity between daytime light relay terminals.
OK or NG
OK >> GO TO 6.
NG >> Replace daytime light relay.
6. CHECK CIRCUIT BETWEEN DAYTIME LIGHT RELAY AND IPDM E/R
1. Disconnect IPDM E/R connector.
2. Check continuity between IPDM E/R harness connector (A) and
daytime light relay harness connector (B).
OK or NG
OK >> GO TO 7.
NG >> Repair harness or connector.
Te r m i n a l s
Voltage
(Approx.) (+)
(-)
Daytime light relay connector Terminal
E342
Ground Battery voltage
5
SKIB4746E
Daytime light relay
terminalsCondition Continuity
35Applying battery voltage to between daytime
light relay terminals 1 and 2Ye s
No battery voltage No
SKIB4671E
AB
Continuity
Connector Terminal Connector Terminal
E9 58 E34 1 Yes
SKIB4748E

HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM -
LT-99
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Revision: 2007 April2007 M35/M45
7. CHECK DAYTIME LIGHT RELAY SIGNAL
1. Connect IPDM E/R connector.
2. Install daytime light relay.
3. Turn ignition switch ON.
4. Applied parking brake.
5. Check voltage between IPDM E/R harness connector and
ground.
6. Start engine and release parking break. Headlamp switch OFF.
7. Check voltage between IPDM E/R harness connector and
ground.
OK or NG
OK >> Check connecting condition daytime light relay harness connector.
NG >> GO TO 8.
8. CHECK CAN COMMUNICATIONS
Select “BCM” by CONSULT-II, and perform self-diagnosis for “BCM”.
Displayed self-diagnosis results
NO DTC>>Replace BCM. Refer to BCS-15, "Removal and Installa-
tion of BCM" .
CAN COMM CIRCUIT>>Check BCM CAN communication system.
Refer to BCS-13, "
CAN Communication Inspection
Using CONSULT-II (Self-Diagnosis)" .
Terminals
Voltage
(Approx.) (+)
(-)
IPDM E/R connector Terminal
E9 58 Ground Battery voltage
Terminals
Voltage
(Approx.) (+)
(-)
IPDM E/R connector Terminal
E9 58 Ground 0 V
SKIB4747E
PKIA7627E

HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM -
LT-101
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Revision: 2007 April2007 M35/M45
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 “HI” screen.
6. When headlamp high beam is operating, check voltage between
front combination lamp (RH and 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 and 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 and LH) har-
ness connector and ground.
OK or NG
OK >> GO TO 5.
NG >> GO TO 8.
5. CHECK HEADLAMP (LH SIDE) GROUND
1. Turn ignition switch OFF.
2. Check continuity between front combination lamp LH harness
connector and ground.
OK or NG
OK >> GO TO 6.
NG >> Repair harness or connector.
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
Front combination
lamp LH connectorTerminal
GroundContinuity
E54 2 Yes
SKIB4750E

HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM -
LT-103
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Revision: 2007 April2007 M35/M45
8. 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.
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

HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM -
LT-105
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Revision: 2007 April2007 M35/M45
3. CHECK CONTINUITY 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 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.
4. CHECK HEADLAMP GROUND (1)
1. Turn ignition switch OFF.
2. Remove daytime light relay.
3. Check continuity between front combination lamp RH harness
connector (A) and daytime light relay harness connector (B).
OK or NG
OK >> GO TO 5.
NG >> Repair harness or connector.
5. CHECK HEADLAMP GROUND (2)
Check continuity between daytime light relay harness connector and
ground.
OK or NG
OK >> GO TO 6.
NG >> Repair harness or connector.
AB
Continuity
Connector Terminal Connector Terminal
E7 27 E47 6 Yes
A
GroundContinuity
Connector Terminal
E7 27 No
SKIB4755E
AB
Continuity
Connector Terminal Connector Terminal
E47 2 E34 3 Yes
SKIB4751E
Daytime light relay
connectorTe r m i n a l
GroundContinuity
E34 4 Yes
SKIB4674E

HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM -
LT-107
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Revision: 2007 April2007 M35/M45
3. CHECK HEADLAMP GROUND
1. Turn ignition switch OFF.
2. Check continuity front combination lamp harness connector and
ground.
OK or NG
OK >> Check connecting condition front headlamp LH connec-
tor harness.
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 LH connector.
3. Check continuity between IPDM E/R harness connector (A) and
front combination lamp 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 LH connectorTe r m i n a l
GroundContinuity
E54 2 Yes
SKIB4750E
AB
Continuity
Connector Terminal Connector Terminal
E7 28 E54 6 Yes
A
GroundContinuity
Connector Terminal
E7 28 No
SKIB4757E

HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM -
LT-109
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Revision: 2007 April2007 M35/M45
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.
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, connectors, ballasts (HID
control unit), and xenon bulbs. Refer to LT- 11 4 , "
Xenon
Headlamp Trouble Diagnosis" .
NG >> Repair harness or connector.
Terminal
Voltage
(Approx.) (+)
(-)
Front combination lamp
connectorterminal
RH E47 8
Ground Battery voltage
LH E54 8
Te r m i n a l
Voltage
(Approx.) (+)
(-)
Front combination lamp
connectorterminal
RH E47 8
Ground Battery voltage
LH E54 8
SKIB4758E
Front combination lamp
connectorTe r m i n a l
GroundContinuity
RH E47 4
Ye s
LH E54 4
SKIB4759E

LT-110
HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM -
Revision: 2007 April2007 M35/M45
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.
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

HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM -
LT-111
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Revision: 2007 April2007 M35/M45
Headlamp Low Beam Does Not Illuminate (One Side)NKS003PP
1. CHECK BULB
Check ballast (HID control unit) and xenon bulb of lamp which does not illuminate. Refer to LT- 11 4 , "
Xenon
Headlamp Trouble Diagnosis" .
OK or NG
OK >> GO TO 2.
NG >> Repair malfunctioning part.
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
connectorTe r m i n a l
RH E47 8
Ground Battery voltage
LH E54 8
Terminal
Voltage
(Approx.) (+)
(-)
Front combination lamp
connectorTe r m i n a l
RH E47 8
Ground Battery voltage
LH E54 8
SKIB4758E

LT-112
HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM -
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 connec-
tor.
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
connectorTerminal
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