Nissan Pathfinder (2009 year). Instruction — part 89
BCS
BCM (BODY CONTROL MODULE)
BCS-53
< ECU DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
Fail Safe
INFOID:0000000004422015
Fail-safe index
BCM performs fail-safe control when any DTC listed below is detected.
ABMIA0162GB
2009 Pathfinder
BCS-54
< ECU DIAGNOSIS >
BCM (BODY CONTROL MODULE)
DTC Inspection Priority Chart
INFOID:0000000003935294
If some DTCs are displayed at the same time, perform inspections one by one based on the following priority
chart.
DTC Index
INFOID:0000000003935295
NOTE:
Details of time display
• CRNT: Displays when there is a malfunction now or after returning to the normal condition until turning igni-
tion switch OFF
→
ON again.
• 1 - 39: Displayed if any previous malfunction is present when current condition is normal. It increases like 1
→
2
→
3...38
→
39 after returning to the normal condition whenever ignition switch OFF
→
ON. The counter
remains at 39 even if the number of cycles exceeds it. It is counted from 1 again when turning ignition switch
OFF
→
ON after returning to the normal condition if the malfunction is detected again.
Display contents of CONSULT
Fail-safe
Cancellation
U1000: CAN COMM CIRCUIT
Inhibit engine cranking
When the BCM re-establishes communication with the other mod-
ules.
U1010: CONTROL UNIT (CAN)
Inhibit engine cranking
When the BCM re-start communicating with the other modules.
Priority
DTC
1
• U1000: CAN COMM CIRCUIT
• U1010: CONTROL UNIT (CAN)
2
• B2190: NATS ANTENNA AMP
• B2191: DIFFERENCE OF KEY
• B2192: ID DISCORD BCM-ECM
• B2193: CHAIN OF BCM-ECM
• B2013: STRG COMM 1
• B2552: INTELLIGENT KEY
• B2590: NATS MALFUNCTION
3
• C1729: VHCL SPEED SIG ERR
• C1735: IGNITION SIGNAL
4
• C1704: LOW PRESSURE FL
• C1705: LOW PRESSURE FR
• C1706: LOW PRESSURE RR
• C1707: LOW PRESSURE RL
• C1708: [NO DATA] FL
• C1709: [NO DATA] FR
• C1710: [NO DATA] RR
• C1711: [NO DATA] RL
• C1712: [CHECKSUM ERR] FL
• C1713: [CHECKSUM ERR] FR
• C1714: [CHECKSUM ERR] RR
• C1715: [CHECKSUM ERR] RL
• C1716: [PRESSDATA ERR] FL
• C1717: [PRESSDATA ERR] FR
• C1718: [PRESSDATA ERR] RR
• C1719: [PRESSDATA ERR] RL
• C1720: [CODE ERR] FL
• C1721: [CODE ERR] FR
• C1722: [CODE ERR] RR
• C1723: [CODE ERR] RL
• C1724: [BATT VOLT LOW] FL
• C1725: [BATT VOLT LOW] FR
• C1726: [BATT VOLT LOW] RR
• C1727: [BATT VOLT LOW] RL
2009 Pathfinder
BCS
BCM (BODY CONTROL MODULE)
BCS-55
< ECU DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
CONSULT display
Fail-safe
Intelligent Key
warning lamp ON
Tire pressure
monitor warning
lamp ON
Reference page
No DTC is detected.
further testing
may be required.
—
—
—
—
U1000: CAN COMM CIRCUIT
—
—
—
U1010: CONTROL UNIT (CAN)
—
—
—
B2013: STRG COMM 1
—
—
—
B2190: NATS ANTTENA AMP
—
—
—
(with I-
(without I-Key)
B2191: DIFFERENCE OF KEY
—
—
—
(with I-
(without I-Key)
B2192: ID DISCORD BCM-ECM
—
—
—
(with I-
(without I-Key)
B2193: CHAIN OF BCM-ECM
—
—
—
(with I-
(without I-Key)
B2552: INTELLIGENT KEY
—
—
—
B2590: NATS MALFUNCTION
—
—
—
C1708: [NO DATA] FL
—
—
—
C1709: [NO DATA] FR
—
—
—
C1710: [NO DATA] RR
—
—
—
C1711: [NO DATA] RL
—
—
—
C1712: [CHECKSUM ERR] FL
—
—
—
C1713: [CHECKSUM ERR] FR
—
—
—
C1714: [CHECKSUM ERR] RR
—
—
—
C1715: [CHECKSUM ERR] RL
—
—
—
C1716: [PRESSDATA ERR] FL
—
—
—
C1717: [PRESSDATA ERR] FR
—
—
—
C1718: [PRESSDATA ERR] RR
—
—
—
C1719: [PRESSDATA ERR] RL
—
—
—
C1720: [CODE ERR] FL
—
—
—
C1721: [CODE ERR] FR
—
—
—
C1722: [CODE ERR] RR
—
—
—
C1723: [CODE ERR] RL
—
—
—
C1724: [BATT VOLT LOW] FL
—
—
—
C1725: [BATT VOLT LOW] FR
—
—
—
C1726: [BATT VOLT LOW] RR
—
—
—
C1727: [BATT VOLT LOW] RL
—
—
—
C1729: VHCL SPEED SIG ERR
—
—
—
C1735: IGNITION SWITCH
—
—
—
—
2009 Pathfinder
BCS-56
< SYMPTOM DIAGNOSIS >
COMBINATION SWITCH SYSTEM SYMPTOMS
SYMPTOM DIAGNOSIS
COMBINATION SWITCH SYSTEM SYMPTOMS
Symptom Table
INFOID:0000000003935296
1.
Perform the data monitor of CONSULT-III 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.
Data monitor item
Malfunction combi-
nation
TURN SIGNAL R
T
U
R
N
SIGNAL L
HI BEAM
SW
HEADLAMP SW
1
HEADLAMP SW
2
T
A
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
L
U
ME
RR WIPER ON
R
R
WIPER
IN
T
RR W
ASHER SW
×
×
×
×
A
×
×
×
×
B
×
×
×
×
C
×
×
×
×
D
×
×
×
E
×
×
×
F
×
×
×
×
G
×
×
×
H
×
×
×
×
I
×
×
×
×
J
Combinations other than those above
K
All Items
L
If only one item is detected or the item is not applicable to the combinations A to L
M
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
Light and turn signal switch or front wip-
er and washer switch
.
L
BCM
Replace BCM. Refer to
BCS-59, "Removal and Installation"
.
M
Light and turn signal switch or front wip-
er and washer switch
Replace the switch that cannot be operated.
2009 Pathfinder
BCS
PRECAUTIONS
BCS-57
< 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:0000000004857488
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 3 minutes before performing any service.
Precaution Necessary for Steering Wheel Rotation After Battery Disconnect
INFOID:0000000004410614
NOTE:
• This Procedure is applied only to models with Intelligent Key system and NATS (NISSAN ANTI-THEFT SYS-
TEM).
• Remove and install all control units after disconnecting both battery cables with the ignition knob in the
″
LOCK
″
position.
• Always use CONSULT-III to perform self-diagnosis as a part of each function inspection after finishing work.
If DTC is detected, perform trouble diagnosis according to self-diagnostic results.
For models equipped with the Intelligent Key system and NATS, an electrically controlled steering lock mech-
anism is adopted on the key cylinder.
For this reason, if the battery is disconnected or if the battery is discharged, the steering wheel will lock and
steering wheel rotation will become impossible.
If steering wheel rotation is required when battery power is interrupted, follow the procedure below before
starting the repair operation.
OPERATION PROCEDURE
1.
Connect both battery cables.
NOTE:
Supply power using jumper cables if battery is discharged.
2.
Use the Intelligent Key or mechanical key to turn the ignition switch to the
″
ACC
″
position. At this time, the
steering lock will be released.
3.
Disconnect both battery cables. The steering lock will remain released and the steering wheel can be
rotated.
4.
Perform the necessary repair operation.
2009 Pathfinder
BCS-58
< PRECAUTION >
PRECAUTIONS
5.
When the repair work is completed, return the ignition switch to the
″
LOCK
″
position before connecting
the battery cables. (At this time, the steering lock mechanism will engage.)
6.
Perform a self-diagnosis check of all control units using CONSULT-III.
2009 Pathfinder
BCS
BCM (BODY CONTROL MODULE)
BCS-59
< ON-VEHICLE REPAIR >
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
ON-VEHICLE REPAIR
BCM (BODY CONTROL MODULE)
Removal and Installation
INFOID:0000000003935297
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
UNIT : Special Repair Requirement"
1.
Disconnect the battery negative terminal.
2.
Remove the lower instrument panel LH. Refer to
.
3.
Remove the knee protector. Refer to
.
4.
Remove the BCM screws and release the BCM.
5.
Disconnect the BCM connectors and then remove the BCM.
INSTALLATION
Installation is in the reverse order of removal.
NOTE:
• When replacing the BCM, it must be configured. Refer to
BCS-4, "CONFIGURATION : Special Repair
.
• When replacing the BCM, perform initialization of NATS system and registration of all NATS ignition key IDs.
.
• When replacing the BCM, perform ID registration procedure of low tire pressure warning system. Refer to
WT-6, "ID Registration Procedure"
• When replacing the BCM, register the remote keyless entry system keyfob ID codes. Refer to
"ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Requirement"
.
• When replacing the BCM, perform adjustment procedure for the steering angle sensor. Refer to
"ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION : Special Repair Requirement"
(Type 1) or
BRC-141, "ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION : Special
(Type 2).
LKIA0564E
2009 Pathfinder
BR-1
BRAKES
C
D
E
G
H
I
J
K
L
M
SECTION
BR
A
B
BR
N
O
P
CONTENTS
BRAKE SYSTEM
PRECAUTION . . . . . . . . . . . ...
PRECAUTIONS . . . . . . . . . . . . ...
Precaution for Brake System . . . . . . . . ....
Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect . . . . . . . . .....
Precaution for Procedure without Cowl Top Cover
. ..
PREPARATION . . . . . . . . . . .
PREPARATION . . . . . . . . . . . . ...
Special Service Tool . . . . . . . . . . . .....
Commercial Service Tool . . . . . . . . . . ..
FUNCTION DIAGNOSIS . . . . . . . ...
NOISE, VIBRATION, AND HARSHNESS
(NVH) TROUBLESHOOTING . . . . . . . .
NVH Troubleshooting Chart . . . . . . . . . ..
BASIC INSPECTION . . . . . . . . .
FRONT DISC BRAKE . . . . . . . . . . .
BRAKE PAD . . . . . . . . . . . . . . . ....
BRAKE PAD : Inspection . . . . . . . . . . ..
DISC ROTOR . . . . . . . . . . . . . . . ...
DISC ROTOR : Inspection . . . . . . . . . ....
REAR DISC BRAKE . . . . . . . . . . ...
BRAKE PAD . . . . . . . . . . . . . . . ....
BRAKE PAD : Inspection . . . . . . . . . . ..
DISC ROTOR . . . . . . . . . . . . . . . ...
DISC ROTOR : Inspection . . . . . . . . . ....
BRAKE BOOSTER . . . . . . . . . . .
Inspection . . . . . . . . . . . . . . . .
VACUUM LINES . . . . . . . . . . . ...
Inspection . . . . . . . . . . . . . . . .
BRAKE MASTER CYLINDER . . . . . . ..
On Board Inspection . . . . . . . . . . . .
BRAKE TUBE AND HOSE . . . . . . . ...
Hydraulic Circuit . . . . . . . . . . . . . ..
FRONT BRAKE . . . . . . . . . . . . . . .
FRONT BRAKE : Inspection . . . . . . . . .
REAR BRAKE . . . . . . . . . . . . . . .
REAR BRAKE : Inspection . . . . . . . . . ..
ON-VEHICLE MAINTENANCE . . . . .
BRAKE PEDAL . . . . . . . . . . . . .
Inspection and Adjustment - Standard Pedal . . ..
Inspection and Adjustment - Adjustable Pedal . .
BRAKE FLUID . . . . . . . . . . . . ..
On Board Inspection . . . . . . . . . . . .
Drain and Refill . . . . . . . . . . . . . .
Bleeding Brake System . . . . . . . . . . ...
ON-VEHICLE REPAIR . . . . . . . . .
BRAKE PEDAL . . . . . . . . . . . . .
Exploded View . . . . . . . . . . . . . . .
Removal and Installation . . . . . . . . . . .
BRAKE TUBE AND HOSE . . . . . . . ...
Hydraulic Circuit . . . . . . . . . . . . . ..
Removal and Installation of Front Brake Piping
and Brake Hose . . . . . . . . . . . . . ...
Removal and Installation of Rear Brake Piping
and Brake Hose . . . . . . . . . . . . . ...
Inspection After Installation . . . . . . . . . .
BRAKE MASTER CYLINDER . . . . . . ..
Removal and Installation . . . . . . . . . . .
2009 Pathfinder
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