air condition INFINITI M35 2007 Factory Service Manual

HEADLAMP (FOR USA) - XENON TYPE -
LT-55
C
D
E
F
G
H
I
J
L
MA
B
LT
Revision: 2007 April2007 M35/M45
Terminals and Reference Values for IPDM E/RNKS003OR
How to Perform Trouble DiagnosesNKS003OS
1. Confirm the symptom or customer complaint.
2. Understand operation description and function description. Refer to LT- 4 2 , "
System Description" .
3. Perform the Preliminary Check. Refer to LT- 5 6 , "
Preliminary Check" .
4. Check symptom and repair or replace the cause of malfunction.
5. Does the headlamp operate normally? If YES, GO TO 6. If NO, GO TO 4.
6. INSPECTION END
62 VFront door
switch driver
side signalOFFFront door switch
driver sideON (open) Approx. 0 V
OFF (closed)
Approx. 7.5 - 8.0 V Terminal
No.Wire
colorSignal nameMeasuring condition
Reference value
Ignition
switchOperation or condition
PKIB4960J
Terminal
No.Wire
colorSignal nameMeasuring condition
Reference value
Ignition
switchOperation or condition
20 R Headlamp low (RH) ONLighting switch 2ND
positionOFF Approx. 0 V
ON Battery voltage
27 BR Headlamp high (RH) ONLighting switch HIGH
or PASSING positionOFF Approx. 0 V
ON Battery voltage
28 R/Y Headlamp high (LH) ONLighting switch HIGH
or PASSING positionOFF Approx. 0 V
ON Battery voltage
30 R/B Headlamp low (LH) ONLighting switch 2ND
positionOFF Approx. 0 V
ON Battery voltage
38 B Ground ON — Approx. 0 V
49 L CAN − H— — —
50 P CAN − L— — —
51 B Ground ON — Approx. 0 V

LT-62
HEADLAMP (FOR USA) - XENON TYPE -
Revision: 2007 April2007 M35/M45
6. CHECK BULB
Check bulbs of lamp (both side).
OK or NG
OK >> Check connecting condition headlamp harness connector.
NG >> Replace headlamp bulb.
7. 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

LT-64
HEADLAMP (FOR USA) - XENON 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 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 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 IlluminateNKS003OY
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

HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM -
LT-91
C
D
E
F
G
H
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J
L
MA
B
LT
Revision: 2007 April2007 M35/M45
Terminals and Reference Values for IPDM E/RNKS003PF
NOTE:
Daytime running light is operating: Lighting switch in OFF position with engine running and parking brake is released.
How to Perform Trouble DiagnosisNKS003PG
1. Confirm the symptom or customer complaint.
2. Understand operation description and function description. Refer to LT- 7 8 , "
System Description" .
3. Perform the Preliminary Check. Refer to LT- 9 2 , "
Preliminary Check" .
4. Check symptom and repair or replace the cause of malfunction.
5. Does the headlamp operate normally? If YES: GO TO 6. If NO: GO TO 4.
6. INSPECTION END
Terminal
No.Wire
colorSignal nameMeasuring condition
Reference value
Ignition
switchOperation or condition
20 R Headlamp low (RH) ON Lighting switch 2ND positionOFF Approx. 0 V
ON Battery voltage
27 BR Headlamp high (RH) ONLighting switch HIGH or PASSING
positionOFF Approx. 0 V
ON Battery voltage
Daytime running light is operating
NOTEApprox. 6.5 V
28 R/Y Headlamp high (LH) ONLighting switch HIGH or PASSING
positionOFF Approx. 0 V
ON Battery voltage
Daytime running light is operating
NOTEApprox. 6.5 V
30 R/B Headlamp low (LH) ON Lighting switch 2ND positionOFF Approx. 0 V
ON Battery voltage
38 B Ground ON — Approx. 0 V
49 L CAN − H— — —
50 P CAN − L— — —
51 B Ground ON — Approx. 0 V
58 SBDaytime light relay
signalONDaytime running light is operating
NOTEApprox. 0 V
Daytime running light is not operating Battery voltage

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

LT-102
HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM -
Revision: 2007 April2007 M35/M45
6. CHECK HEADLAMP (RH SIDE) GROUND
1. Remove daytime light relay.
2. Check continuity between front combination lamp RH harness
connector (A) and daytime light relay harness connector (B).
3. Check continuity between daytime light relay harness connector
and ground.
OK or NG
OK >> GO TO 7.
NG >> Repair harness or connector.
7. CHECK DAYTIME LIGHT RELAY
Check continuity between daytime light relay terminals.
OK >> Check headlamp bulb and connecting condition combi-
nation lamp terminal connector.
NG >> Replace daytime light relay.
AB
Continuity
Connector Terminal Connector Terminal
E47 2 E34 3 Yes
SKIB4751E
Daytime light
relay connectorTerminal
GroundContinuity
E34 4 Yes
SKIB4674E
Daytime light relay terminals Continuity
34 Yes
SKIB4660E

HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM -
LT-107
C
D
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F
G
H
I
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L
MA
B
LT
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

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

LT-126
AUTO LIGHT SYSTEM
Revision: 2007 April2007 M35/M45
Terminals and Reference Values for IPDM E/RNKS003Q6
How to Perform Trouble DiagnosesNKS003Q7
1. Confirm the symptom or customer complaint.
2. Understand operation description and function description. Refer to LT- 11 5 , "
System Description" .
3. Perform the Preliminary Check. Refer to LT- 1 2 7 , "
Preliminary Check" .
4. Check symptom and repair or replace the cause of malfunction. Refer to LT- 1 3 0 , "
Symptom Chart" .
5. Does the auto light system operate normally? If YES, GO TO 6. If NO, GO TO 4.
6. INSPECTION END.
Terminal
No.Wire
colorSignal nameMeasuring condition
Reference value
Ignition
switchOperation or condition
20 R Headlamp low (RH) ONLighting switch 2ND
positionOFF Approx. 0 V
ON Battery voltage
21 R/LParking, license plate,
and tail lampONLighting switch 1ST
positionOFF Approx. 0 V
ON Battery voltage
27 BR Headlamp high (RH) ONLighting switch HIGH
or PASSING positionOFF Approx. 0 V
ON Battery voltage
28 R/Y Headlamp high (LH) ONLighting switch HIGH
or PASSING positionOFF Approx. 0 V
ON Battery voltage
30 R/B Headlamp low (LH) ONLighting switch 2ND
positionOFF Approx. 0 V
ON Battery voltage
38 B Ground ON — Approx. 0 V
49 L CAN − H— — —
50 P CAN − L— — —
51 B Ground ON — Approx. 0 V

LT-188
ACTIVE AFS
Revision: 2007 April2007 M35/M45
Auto Aiming Does Not Operate (Check Aiming Motor System Circuit)NKS003QV
1. CHECK AIMING MOTOR
1. Start engine and turn lighting switch to 2ND position.
2. Select “ADAPTIVE LIGHT” on CONSULT-II. Select “ACTIVE
TEST” on “SELECT DIAG MODE” screen.
3. Select “LEVELIZER TEST” on “SELECT TEST ITEM” screen.
4. Touch “ORIGIN” or “PEAK” screen.
5. Make sure of aiming motor operation.
OK or NG
OK >> Replace AFS control unit. Refer to LT- 1 9 2 , "Removal
and Installation of AFS Control Unit" .
NG >> GO TO 2.
2. CHECK AIMING MOTOR DRIVE SIGNAL
1. Touch “ORIGIN” or “PEAK” screen in “LEVELIZER TEST”.
2. Check voltage between AFS control unit harness connector and
ground.
OK or NG
OK >> GO TO 3.
NG >> GO TO 6.
3. CHECK AIMING MOTOR DRIVE SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect front combination lamp RH and LH connector.
3. Start engine.
4. Touch “ORIGIN” or “PEAK” screen in “LEVELIZER TEST”.
5. Check voltage between front combination lamp (LH and RH)
harness connector and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair harness or connector.
SKIB4796E
(+)
(-) ConditionVoltage
(Approx.) AFS control unit
connectorTerminal
RH
F11019
GroundORIGIN 10.6 V
PEAK 1.9 V
LH 40ORIGIN 10.6 V
PEAK 1.9 V
PKIC0687E
(+)
(-) ConditionVoltage
(Approx.) Front combination
lamp connectorTerminal
RH E70 12
GroundORIGIN 10.6 V
PEAK 1.9 V
LH E71 12ORIGIN 10.6 V
PEAK 1.9 V
PKIC0688E