Infiniti G37 Coupe. Manual — part 815
INL-94
< ECU DIAGNOSIS >
COMBINATION METER
DTC Index
INFOID:0000000001830730
.
Function
Specifications
Speedometer
Reset to zero by suspending communication.
Tachometer
Fuel gauge
Water temperature gauge
Illumination control
When suspending communication, change to nighttime mode.
Information display
The display turns off by suspending communication.
Buzzer
The buzzer turns off by suspending communication.
Warning lamp/indicator
lamp
ABS warning lamp
The lamp turns on by suspending communication.
VDC OFF indicator lamp
SLIP indicator lamp
Brake warning lamp
CRUISE warning lamp
High beam indicator
The lamp turns off by suspending communication.
Turn signal indicator lamp
Front fog indicator lamp
Oil pressure warning lamp
Malfunction indicator lamp
A/T CHECK warning lamp
Low tire pressure warning lamp
Key warning lamp
AFS OFF indicator lamp
4WAS warning lamp
Master warning lamp
INTERIOR LIGHTING SYSTEM SYMPTOMS
INL-95
< SYMPTOM DIAGNOSIS >
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SYMPTOM DIAGNOSIS
INTERIOR LIGHTING SYSTEM SYMPTOMS
Symptom Table
INFOID:0000000001604853
CAUTION:
Perform the self-diagnosis with CONSULT-III before the symptom diagnosis. Perform the trouble diag-
nosis if any DTC is detected.
Symptom
Possible cause
Inspection item
All the following lamps do not turn ON.
• Map lamp
• Trunk room lamp
• Step lamp
• Vanity mirror lamp
• Harness between BCM and each
interior room lamp
• BCM
Interior room lamp power supply cir-
cuit
Refer to
.
• Interior room lamp does not turn ON even
though the door is open.
(It turns ON when turning the interior room
lamp ON.)
• Interior room lamp does not turn OFF even
though the door is closed.
• Harness between BCM and each
door switch
• Harness between BCM and each
interior room lamp
• BCM
Door switch circuit
Refer to
.
Interior room lamp control circuit
Refer to
.
Interior room lamp timer does not activate.
(It turns ON/ OFF when the door opens/closes.)
—
Check the interior room lamp setting.
Refer to
.
Step lamps (driver side and passenger side) do
not turn ON.
(The map lamp is turned ON.)
• Harness between BCM and each
step lamp
• BCM
Step lamp circuit
Refer to
.
Step lamps (driver side and passenger side) do
not turn OFF.
(The map lamp is turned OFF.)
• Trunk room lamp does not turn ON.
(The bulb is normal.)
• Trunk room lamp does not turn OFF.
• Harness between BCM and trunk
room lamp switch
• Harness between BCM and trunk
room lamp
• BCM
Trunk room lamp switch circuit
Refer to
.
Trunk room lamp circuit
Refer to
.
Push-button ignition switch illumination does not
illuminate.
• Harness between BCM and push-
button ignition switch
• BCM
Push-button ignition switch illumina-
tion circuit
Refer to
.
Interior room lamp battery saver does not acti-
vate.
—
Check the interior room lamp battery
saver setting.
Refer to
.
INL-96
< PRECAUTION >
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000001830726
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the “SRS AIRBAG” and “SEAT BELT” of this
Service Manual.
WARNING:
• To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in
the event of a collision which would result in air bag inflation, all maintenance must be performed by
an authorized NISSAN/INFINITI dealer.
• Improper maintenance, including incorrect removal and installation of the SRS, can lead to personal
injury caused by unintentional activation of the system. For removal of Spiral Cable and Air Bag
Module, see the “SRS AIRBAG”.
• Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or har-
ness connectors.
Precaution for Battery Service
INFOID:0000000001910560
Before disconnecting the battery, lower both the driver and passenger windows. This will prevent any interfer-
ence between the window edge and the vehicle when the door is opened/closed. During normal operation, the
window slightly raises and lowers automatically to prevent any window to vehicle interference. The automatic
window function will not work with the battery disconnected.
MAP LAMP
INL-97
< ON-VEHICLE REPAIR >
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ON-VEHICLE REPAIR
MAP LAMP
Exploded View
INFOID:0000000001604855
Removal and Installation
INFOID:0000000001604856
INT-21, "NORMAL ROOF : Exploded View"
for the map lamp assembly installation/removal.
Replacement
INFOID:0000000001604857
CAUTION:
Disconnect the battery negative terminal or the fuse.
MAP LAMP BULB
1.
Insert any appropriate tool into the gap between the lens. Remove the lens.
2.
Remove the bulb.
1.
Map lamp assembly
2.
Bulb
3.
Lens
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