Nissan Xterra. Instruction — part 72
BCS
BCM (BODY CONTROL MODULE)
BCS-47
< WIRING DIAGRAM >
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
ABMIA5574GB
BCS-48
< SYMPTOM DIAGNOSIS >
COMBINATION SWITCH SYSTEM SYMPTOMS
SYMPTOM DIAGNOSIS
COMBINATION SWITCH SYSTEM SYMPTOMS
Symptom Table
INFOID:0000000009482966
1. Perform the data monitor of CONSULT to check for any malfunctioning item.
2. Check the malfunction combinations.
Malfunction item:
×
3. Identify the malfunctioning part from the agreed combination and repair or replace the part.
Malfunction combina-
tion
Data monitor item
TURN SIGNAL R
T
U
R
N
SIGNAL L
HI BEAM
SW
HEADLAMP SW
1
HEADLAMP SW
2
TA
IL LAM
P
SW
P
ASSING SW
AUT
O
LI
GHT
SW
FR FOG SW
FR WIPE
R HI
F
R
WIPER LOW
FR
W
IP
E
R
I
N
T
FR W
ASHER S
W
IN
T V
O
LU
ME
RR W
IPER ON
R
R
WIPER
IN
T
RR W
ASHER SW
A
×
×
×
×
B
×
×
×
×
C
×
×
×
×
D
×
×
×
×
E
×
×
×
F
×
×
×
G
×
×
×
×
H
×
×
×
I
×
×
×
×
J
×
×
×
×
K
All Items
L
If only one item is detected or the item is not applicable to the combinations A to L
Malfunction
combination
Malfunctioning part
Repair or replace
A
Combination switch INPUT 1 circuit
Inspect the combination switch input circuit applicable to the malfunctioning
part. Refer to
B
Combination switch INPUT 2 circuit
C
Combination switch INPUT 3 circuit
D
Combination switch INPUT 4 circuit
E
Combination switch INPUT 5 circuit
F
Combination switch OUTPUT 1 circuit
Inspect the combination switch output circuit applicable to the malfunction-
ing part. Refer to
.
G
Combination switch OUTPUT 2 circuit
H
Combination switch OUTPUT 3 circuit
I
Combination switch OUTPUT 4 circuit
J
Combination switch OUTPUT 5 circuit
K
BCM
Replace BCM. Refer to
BCS-50, "Removal and Installation"
.
L
Light and turn signal switch or front wip-
er and washer switch
Replace the switch that cannot be operated.
BCS
PRECAUTIONS
BCS-49
< PRECAUTION >
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000010206301
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 SR and SB section of this Service Man-
ual.
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 SR section.
• Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Instruction. SRS wiring harnesses can be identified by yellow and/or orange harnesses or har-
ness connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
• When working near the Airbag Diagnosis Sensor Unit or other Airbag System sensors with the Igni-
tion ON or engine running, DO NOT use air or electric power tools or strike near the sensor(s) with a
hammer. Heavy vibration could activate the sensor(s) and deploy the air bag(s), possibly causing
serious injury.
• When using air or electric power tools or hammers, always switch the Ignition OFF, disconnect the
battery and wait at least three minutes before performing any service.
BCS-50
< REMOVAL AND INSTALLATION >
BCM (BODY CONTROL MODULE)
REMOVAL AND INSTALLATION
BCM (BODY CONTROL MODULE)
Removal and Installation
INFOID:0000000009482968
REMOVAL
NOTE:
If possible, before removing BCM, retrieve current BCM configuration to use for reference when configuring
brand-new BCM after installation. Refer to
BCS-3, "ADDITIONAL SERVICE WHEN REPLACING CONTROL
1. Disconnect the battery negative terminal. Refer to
PG-72, "Removal and Installation"
2. Remove the instrument lower panel LH. Refer to
.
3. Remove the BCM screws and release the BCM.
4. Disconnect the harness connectors from BCM and remove.
INSTALLATION
Installation is in the reverse order of removal.
• When replacing the BCM, it must be configured. Refer to
BCS-4, "CONFIGURATION : Work Procedure"
• When replacing the BCM, perform initialization of NATS system and registration of all NATS ignition key IDs.
BCS-4, "CONFIGURATION : Work Procedure"
.
• When replacing the BCM, perform ID registration procedure of low tire pressure warning system. Refer to
XX-XX, "*****"
.
• When replacing the BCM, register the remote keyless entry system keyfob ID codes. Refer to
"ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Work Procedure"
.
LKIA0564E
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