Infiniti G37 Coupe. Manual — part 645
EX-6
< ON-VEHICLE REPAIR >
EXHAUST SYSTEM
Removal and Installation
INFOID:0000000001547741
REMOVAL
• Disconnect each joint and mounting using power tool.
• Remove heated oxygen sensor 2 as follows:
- Using heated oxygen sensor wrench [SST: KV10114400 (J-
38365)] (C), removal heated oxygen sensor 2.
CAUTION:
Be careful not to damage heated oxygen sensor 2.
INSTALLATION
Note the following, and install in the reverse order of removal.
• Check for deformation of the grommets (13 and 15 of Components).
• Insert the collar (12 of Components) vertically.
• Temporarily tighten nuts and bolts when installing exhaust pipe assembly. Tighten them to the specified
torque when connecting the vehicle rear to the vehicle front.
CAUTION:
• Always replace exhaust tube gaskets with new ones when reassembling.
• Discard any heated oxygen sensor which has been dropped onto a hard surface such as a concrete
floor. Use a new one.
• Before installing a new heated oxygen sensor, clean exhaust system threads using the heated oxy-
gen sensor thread cleaner [commercial service tool: J-43897-18 or J-43897-12], and apply the anti-
seize lubricant (commercial service tool).
• Never over torque heated oxygen sensor. Doing so may cause damage to heated oxygen sensor,
resulting in the “MIL” coming on.
• If heat insulator is badly deformed, repair or replace it. If deposits such as mud pile up on the heat
insulator, remove them.
• When installing heat insulator avoid large gaps or interference between heat insulator and each
exhaust pipe.
• Remove deposits from the sealing surface of each connection. Connect them securely to avoid
gases leakage.
• Temporarily tighten mounting nuts on the exhaust manifold side and mounting bolts on the vehicle
side. Check each part for unusual interference, and then tighten them to the specified torque.
• When installing each mounting rubber, avoid twisting or unusual extension in up/down and right/left
directions.
Inspection
INFOID:0000000001547742
INSPECTION AFTER INSTALLATION
• Check clearance between tail tube and rear bumper is even.
• With engine running, check exhaust tube joints for gas leakage and unusual noises.
• Check to ensure that mounting brackets and mounting rubbers are installed properly and free from undue
stress. Improper installation could result in excessive noise and vibration.
A
: Bank 2
B
: Bank 1
: Vehicle front
JPBIA0389ZZ
EXL-1
DRIVER CONTROLS
C
D
E
F
G
H
I
J
K
M
SECTION
EXL
A
B
EXL
N
O
P
CONTENTS
EXTERIOR LIGHTING SYSTEM
XENON TYPE
BASIC INSPECTION . . . . . . . . .
DIAGNOSIS AND REPAIR WORKFLOW . . ..
Work Flow . . . . . . . . . . . . . . . .....
INSPECTION AND ADJUSTMENT . . . . . .
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT . . . . . . . . . . . . . . ..
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Description . . . . . . . . ..
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Special Repair Requirement . ...
LEVELIZER ADJUSTMENT . . . . . . . . . ....
LEVELIZER ADJUSTMENT : Description . . . .....
LEVELIZER ADJUSTMENT : Special Repair Re-
quirement . . . . . . . . . . . . . . . . ..
FUNCTION DIAGNOSIS . . . . . . . ...
HEADLAMP SYSTEM . . . . . . . . . . .
System Diagram . . . . . . . . . . . . . ....
System Description . . . . . . . . . . . . ...
Component Parts Location . . . . . . . . . ..
Component Description . . . . . . . . . . ..
AUTO LIGHT SYSTEM . . . . . . . . . ..
System Diagram . . . . . . . . . . . . . ..
System Description . . . . . . . . . . . . .
Component Parts Location . . . . . . . . . ..
Component Description . . . . . . . . . . ..
DAYTIME RUNNING LIGHT SYSTEM . . . ..
System Diagram . . . . . . . . . . . . . ..
System Description . . . . . . . . . . . . .
Component Parts Location . . . . . . . . . ..
Component Description . . . . . . . . . . ..
ACTIVE ADAPTIVE FRONT-LIGHTING SYS-
TEM . . . . . . . . . . . . . . . . .
System Diagram . . . . . . . . . . . . . ..
System Description . . . . . . . . . . . . ..
Component Parts Location . . . . . . . . . ..
Component Description . . . . . . . . . . ...
FRONT FOG LAMP SYSTEM . . . . . . ...
System Diagram . . . . . . . . . . . . . ..
System Description . . . . . . . . . . . . ..
Component Parts Location . . . . . . . . . ..
Component Description . . . . . . . . . . ..
TURN SIGNAL AND HAZARD WARNING
LAMP SYSTEM . . . . . . . . . . . . .
System Diagram . . . . . . . . . . . . . ..
System Description . . . . . . . . . . . . ..
Component Parts Location . . . . . . . . . ..
Component Description . . . . . . . . . . ..
PARKING, LICENSE PLATE AND TAIL
LAMPS SYSTEM . . . . . . . . . . . ..
System Diagram . . . . . . . . . . . . . ..
System Description . . . . . . . . . . . . ..
Component Parts Location . . . . . . . . . ..
Component Description . . . . . . . . . . ..
EXTERIOR LAMP BATTERY SAVER SYS-
TEM . . . . . . . . . . . . . . . . ...
System Diagram . . . . . . . . . . . . . ..
System Description . . . . . . . . . . . . ..
Component Parts Location . . . . . . . . . ..
Component Description . . . . . . . . . . ..
DIAGNOSIS SYSTEM (BCM) . . . . . . ...
COMMON ITEM . . . . . . . . . . . . . . .
COMMON ITEM : CONSULT-III Function (BCM -
COMMON ITEM) . . . . . . . . . . . . . .
HEADLAMP . . . . . . . . . . . . . . . ...
HEADLAMP : CONSULT-III Function (BCM -
HEAD LAMP) . . . . . . . . . . . . . . ...
EXL-2
FLASHER . . . . . . . . . . . . . . . . ..
FLASHER : CONSULT-III Function (BCM -
FLASHER) . . . . . . . . . . . . . . . ..
DIAGNOSIS SYSTEM (IPDM E/R) . . . . .
Diagnosis Description . . . . . . . . . . . .
CONSULT-III Function (IPDM E/R) . . . . . ....
DIAGNOSIS SYSTEM (AFS) . . . . . . . .
CONSULT-III Function (ADAPTIVE LIGHT) . . ...
COMPONENT DIAGNOSIS . . . . . .
B2503, B2504 SWIVEL ACTUATOR . . . .
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
Component Inspection . . . . . . . . . . ....
B2514 HEIGHT SENSOR UNUSUAL [RR] . ...
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
Component Inspection . . . . . . . . . . ....
B2516 SHIFT SIGNAL [P, R] . . . . . . .
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
B2517 VEHICLE SPEED SIGNAL . . . . .
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
B2519 LEVELIZER CALIBRATION . . . . ..
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
B2521 ECU CIRCUIT . . . . . . . . . . .
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
C0126 STEERING ANGLE SENSOR SIGNAL ...
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
C0428 STEERING ANGLE SENSOR CALI-
BRATION . . . . . . . . . . . . . . ...
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
U1000 CAN COMM CIRCUIT . . . . . . .
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
U1010 CONTROL UNIT (CAN) . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
POWER SUPPLY AND GROUND CIRCUIT . .
BCM (BODY CONTROL MODULE) . . . . . . ..
BCM (BODY CONTROL MODULE) : Diagnosis
Procedure . . . . . . . . . . . . . . . ...
IPDM E/R (INTELLIGENT POWER DISTRIBU-
TION MODULE ENGINE ROOM) . . . . . . . ..
AFS CONTROL UNIT . . . . . . . . . . . .
AFS CONTROL UNIT : Diagnosis Procedure . . .
EXTERIOR LAMP FUSE . . . . . . . . ...
Description . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . ...
HEADLAMP (HI) CIRCUIT . . . . . . . .
Description . . . . . . . . . . . . . . . ..
Component Function Check . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
HEADLAMP (LO) CIRCUIT . . . . . . . ...
Description . . . . . . . . . . . . . . . ..
Component Function Check . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
XENON HEADLAMP . . . . . . . . . . .
Description . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . ...
HEADLAMP LEVELIZER CIRCUIT . . . . ..
Description . . . . . . . . . . . . . . . ..
Component Function Check . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
FRONT FOG LAMP CIRCUIT . . . . . . ...
Component Function Check . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
PARKING LAMP CIRCUIT . . . . . . . .
Component Function Check . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
TURN SIGNAL LAMP CIRCUIT . . . . . .
Description . . . . . . . . . . . . . . . ..
Component Function Check . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
OPTICAL SENSOR . . . . . . . . . . ...
Description . . . . . . . . . . . . . . . ..
Component Function Check . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
HAZARD SWITCH . . . . . . . . . . . .
Description . . . . . . . . . . . . . . . ..
EXL-3
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
Diagnosis Procedure . . . . . . . . . . . ...
TAIL LAMP CIRCUIT . . . . . . . . . . .
Component Function Check . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ...
LICENSE PLATE LAMP CIRCUIT . . . . . .
Component Function Check . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ...
HEADLAMP SYSTEM . . . . . . . . . .
Wiring Diagram - HEADLAMP - . . . . . . . ..
AUTO LIGHT SYSTEM . . . . . . . . . ..
Wiring Diagram - AUTO LIGHT SYSTEM - . . . .
DAYTIME RUNNING LIGHT SYSTEM . . . ..
Wiring Diagram - DAYTIME LIGHT SYSTEM - . ...
FRONT FOG LAMP SYSTEM . . . . . . .
Wiring Diagram - FRONT FOG LAMP - . . . . ..
TURN SIGNAL AND HAZARD WARNING
LAMP SYSTEM . . . . . . . . . . . .
Wiring Diagram - TURN AND HAZARD WARN-
ING LAMPS - . . . . . . . . . . . . . .
PARKING, LICENSE PLATE AND TAIL
LAMPS SYSTEM . . . . . . . . . . . ..
Wiring Diagram - PARKING LICENSE PLATE
AND TAIL LAMPS - . . . . . . . . . . . ...
STOP LAMP . . . . . . . . . . . . . .
Wiring Diagram - STOP LAMP - . . . . . . ...
BACK-UP LAMP . . . . . . . . . . . ..
Wiring Diagram - BACK-UP LAMP - . . . . . .
ECU DIAGNOSIS . . . . . . . . . ...
BCM (BODY CONTROL MODULE) . . . . .
Reference Value . . . . . . . . . . . . ...
Wiring Diagram - BCM - . . . . . . . . . .
Fail Safe . . . . . . . . . . . . . . . ...
DTC Inspection Priority Chart . . . . . . . .
DTC Index . . . . . . . . . . . . . . .
IPDM E/R (INTELLIGENT POWER DISTRI-
BUTION MODULE ENGINE ROOM) . . . ...
Reference Value . . . . . . . . . . . . ...
Wiring Diagram - IPDM E/R - . . . . . . . .
Fail Safe . . . . . . . . . . . . . . . ...
DTC Index . . . . . . . . . . . . . . .
AFS CONTROL UNIT . . . . . . . . . ...
Reference Value . . . . . . . . . . . . ...
Wiring Diagram - ACTIVE AFS - . . . . . . ...
Fail Safe . . . . . . . . . . . . . . . .
DTC Inspection Priority Chart . . . . . . . ...
DTC Index . . . . . . . . . . . . . . . .
SYMPTOM DIAGNOSIS . . . . . . .
EXTERIOR LIGHTING SYSTEM SYMPTOMS .
Symptom Table . . . . . . . . . . . . . .
NORMAL OPERATING CONDITION . . . .
Description . . . . . . . . . . . . . . . .
BOTH SIDE HEADLAMPS DO NOT SWITCH
TO HIGH BEAM . . . . . . . . . . . ..
Description . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
BOTH SIDE HEADLAMPS (LO) ARE NOT
TURNED ON . . . . . . . . . . . . ...
Description . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
PARKING, LICENSE PLATE AND TAIL
LAMPS ARE NOT TURNED ON . . . . . .
Description . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
BOTH SIDE FRONT FOG LAMPS ARE NOT
TURNED ON . . . . . . . . . . . . ...
Description . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
PRECAUTION . . . . . . . . . . .
PRECAUTIONS . . . . . . . . . . . ...
Precautions For Xenon Headlamp Service . . ...
Precaution for Battery Service . . . . . . . ...
ON-VEHICLE MAINTENANCE . . . . ..
HEADLAMP AIMING ADJUSTMENT . . . .
Description . . . . . . . . . . . . . . . .
Aiming Adjustment Procedure . . . . . . . ...
FRONT FOG LAMP AIMING ADJUSTMENT .
Description . . . . . . . . . . . . . . . .
Aiming Adjustment Procedure . . . . . . . ...
ON-VEHICLE REPAIR . . . . . . . ...
FRONT COMBINATION LAMP . . . . . ..
Exploded View . . . . . . . . . . . . . ...
Removal and Installation . . . . . . . . . ...
Replacement . . . . . . . . . . . . . . .
Disassembly and Assembly . . . . . . . . ...
FRONT FOG LAMP . . . . . . . . . .
Exploded View . . . . . . . . . . . . . ...
OPTICAL SENSOR . . . . . . . . . . .
Exploded View . . . . . . . . . . . . . ...
Removal and Installation . . . . . . . . . ...
LIGHTING AND TURN SIGNAL SWITCH . ..
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