Nissan Pathfinder (2011 year). Instruction — part 520
DIAGNOSIS SYSTEM (BCM)
RF-9
< SYSTEM DESCRIPTION >
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RETAINED PWR
RETAINED PWR : CONSULT-III Function (BCM - RETAINED PWR)
INFOID:0000000006698812
DATA MONITOR
ACTIVE TEST
WORK SUPPORT
*: Initial setting
Monitor Item [Unit]
Description
IGN ON SW [On/Off]
Indicates condition of ignition switch ON position.
DOOR SW-DR [On/Off]
Indicates condition of front door switch LH.
DOOR SW-AS [On/Off]
Indicates condition of front door switch RH.
Test Item
Description
RETAINED PWR
This test is able to check retained power operation [Off/On].
Support Item
Setting
Description
RETAINED PWR SET
MODE3
2 min
Sets the retained accessory power operating time.
MODE2
OFF
MODE1*
45 sec
2011 Pathfinder
RF-10
< DTC/CIRCUIT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
DTC/CIRCUIT DIAGNOSIS
POWER SUPPLY AND GROUND CIRCUIT
SUNROOF MOTOR ASSEMBLY
SUNROOF MOTOR ASSEMBLY : Diagnosis Procedure
INFOID:0000000006247114
Regarding Wiring Diagram information, refer to
SUNROOF MOTOR ASSEMBLY
1.
CHECK SUNROOF MOTOR POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect sunroof motor assembly connector B83.
3. Turn ignition switch ON.
4. Check voltage between sunroof motor assembly connector B83
terminals 7 and 9 and ground.
Is the voltage as specified?
YES
>> GO TO 5
NO
>> GO TO 2
2.
CHECK SUNROOF MOTOR POWER SUPPLY CIRCUITS
1. Turn ignition switch OFF.
2. Disconnect BCM connector M20 and circuit breaker-2 connector M82 (with automatic drive positioner) or
M83 (without automatic drive positioner).
3. Check continuity between BCM connector M20, circuit breaker-2 connector M82 (with automatic drive
positioner) or M83 (without automatic drive positioner) and sunroof motor assembly connector B83.
4. Check continuity between BCM connector M20, circuit breaker-2 and ground.
Are the continuity test results as specified?
YES
>> GO TO 3
NO
>> Repair or replace harness.
3.
CHECK BCM OUTPUT SIGNAL
1. Connect BCM connector M20.
2. Turn ignition switch ON.
3. Check voltage between BCM connector M20 and ground.
(+)
(–)
Voltage
Connector
Terminal
B83
7
Ground
Battery voltage
9
ALKIA1176GB
Connector
Terminal
Connector
Terminal
Continuity
M20
68
B83
9
Yes
M82 or M83
1
7
Connector
Terminal
—
Continuity
M20
68
Ground
No
M82 or M83
1
2011 Pathfinder
POWER SUPPLY AND GROUND CIRCUIT
RF-11
< DTC/CIRCUIT DIAGNOSIS >
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Is the voltage reading as specified?
YES
>> GO TO 4
NO
>> Replace BCM. Refer to
BCS-55, "Removal and Installation"
4.
CHECK SUNROOF MOTOR POWER SUPPLY CIRCUITS
1. Check voltage between circuit breaker-2 connector M82 (with automatic drive positioner) or M83 (without
automatic drive positioner) and ground.
Is the voltage reading as specified?
YES
>> Replace circuit breaker-2
NO
>> Repair or replace harness.
5.
CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between sunroof motor assembly connector
B83 terminal 10 and ground.
Is the continuity test result as specified?
YES
>> Inspection End
NO
>> Repair or replace harness.
SUNROOF MOTOR ASSEMBLY : Special Repair Requirement
INFOID:0000000006247115
1.
PERFORM INITIALIZATION PROCEDURE
Perform initialization procedure.
Refer to
RF-5, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Requirement"
.
Does the sunroof motor assembly operate properly?
YES
>> Repair is complete.
NO
>> Check fitting adjustment.
(+)
(–)
Voltage
Connector
Terminal
M20
68
Ground
Battery voltage
(+)
(–)
Voltage
Connector
Terminal
M82 or M83
2
Ground
Battery voltage
Connector
Terminal
—
Continuity
B83
10
Ground
Yes
ALKIA1178GB
2011 Pathfinder
RF-12
< DTC/CIRCUIT DIAGNOSIS >
SUNROOF SWITCH CIRCUIT
SUNROOF SWITCH CIRCUIT
Description
INFOID:0000000006247116
The BCM supplies power to the integrated CPU of the sunroof motor assembly. The tilt and slide functions of
the sunroof motor assembly is controlled by the sunroof switch.
Component Function Check
INFOID:0000000006247117
1.
CHECK SUNROOF MOTOR FUNCTION
Check to see if tilt up/down & slide open/close functions operate normally with sunroof switch.
Is the inspection result normal?
YES
>> Sunroof motor assembly is OK.
NO
>> Refer to
Diagnosis Procedure
INFOID:0000000006247118
Regarding Wiring Diagram information, refer to
1.
CHECK SUNROOF SWITCH INPUT SIGNAL
1. Turn ignition switch ON.
2. Check voltage between sunroof switch connector and ground.
Are the voltage measurements as specified?
YES
>> Sunroof switch is operating normally.
NO
>> GO TO 2
2.
CHECK SUNROOF SWITCH CIRCUITS
1. Turn ignition switch OFF.
2. Disconnect sunroof motor assembly connector B83 and sunroof
switch connector R4.
3. Check continuity between sunroof motor assembly connector
B83 (A) and sunroof switch connector R4 (B).
4. Check continuity between sunroof motor assembly connector B83 (A) and ground.
Are the continuity test results as specified?
Connector
Terminals
Sunroof switch position
Voltage (V)
(Approx.)
(+)
(–)
R4
1
2
DOWN/OPEN
0V
Other than above
Battery voltage
3
UP/CLOSE
0V
Other than above
Battery voltage
A
B
Continuity
Connector
Terminal
Connector
Terminal
B83
1
R4
3
Yes
5
1
A
—
Continuity
Connector
Terminal
B83
5
Ground
No
1
ALKIA1180GB
2011 Pathfinder
SUNROOF SWITCH CIRCUIT
RF-13
< DTC/CIRCUIT DIAGNOSIS >
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YES
>> GO TO 3
NO
>> Repair harness or connector.
3.
CHECK SUNROOF SWITCH GROUND CIRCUIT
1. Connect sunroof motor assembly.
2. Check continuity between sunroof switch connector R4 and ground.
Is the continuity test result as specified?
YES
>> GO to 4
NO
>> Repair or replace harness.
4.
CHECK SUNROOF SWITCH
1. Check continuity between sunroof switch terminals.
Are the continuity test results as specified?
YES
>> Sunroof switch is operating normally.
NO
>> Replace sunroof switch (map lamp assembly). Refer to
INL-61, "Removal and Installation"
Sunroof switch connector
Terminal
Ground
Continuity
R4
2
Yes
Terminals
Sunroof switch position
Continuity
1
2
DOWN/OPEN
Yes
Other than above
No
3
UP/CLOSE
Yes
Other than above
No
ALKIA1181GB
2011 Pathfinder
RF-14
< DTC/CIRCUIT DIAGNOSIS >
VEHICLE SPEED SIGNAL CIRCUIT
VEHICLE SPEED SIGNAL CIRCUIT
Component Function Check
INFOID:0000000006827820
1.
CHECK SUNROOF MOTOR ASSEMBLY INPUT SIGNAL
1. Start engine.
2. Drive the vehicle at more than 40 km/h (25 MPH).
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
This procedure may be conducted with the drive wheels lifted in the shop or by driving the vehicle.
If a road test is expected to be easier, it is unnecessary to lift the vehicle.
3. Check tilt up/down & slide open/close operations with sunroof switch.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000006827821
SUNROOF MOTOR ASSEMBLY
1.
CHECK SUNROOF MOTOR ASSEMBLY INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect combination meter connector and sunroof motor assembly connector.
3. Check continuity between combination meter connector and sunroof motor assembly connector.
4. Check continuity between sunroof motor assembly connector and ground.
Is the inspection result normal?
YES
>> Check combination meter. Refer to
.
NO
>> Repair or replace harness or connector.
Combination meter
Sunroof motor assembly
Continuity
Connector
Terminal
Connector
Terminal
M24
5
B83
8
Yes
Sunroof motor assembly
Ground
Continuity
Connector
Terminal
B83
8
No
2011 Pathfinder
DOOR SWITCH
RF-15
< DTC/CIRCUIT DIAGNOSIS >
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DOOR SWITCH
Description
INFOID:0000000006827822
Detects door open/close condition.
Component Function Check
INFOID:0000000006827823
1.
CHECK FUNCTION
With CONSULT-III
Check door switches in data monitor mode with CONSULT-III.
Is the inspection result normal?
YES
>> Door switch is OK.
NO
>> Refer to
Diagnosis Procedure
INFOID:0000000006827824
Regarding Wiring Diagram information, refer to
1.
CHECK DOOR SWITCHES INPUT SIGNAL
With CONSULT-III
Check door switches ("DOOR SW-DR", "DOOR SW-AS") in DATA MONITOR mode with CONSULT–III. Refer
to
BCS-17, "DOOR LOCK : CONSULT-III Function (BCM - DOOR LOCK)"
• When any doors are open:
• When any doors are closed:
Without CONSULT-III
Check voltage between BCM connector M18 or M19 terminals 12, 47 and ground.
Is the inspection result normal?
YES
>> Door switch circuit is OK.
NO
>> GO TO 2
2.
CHECK DOOR SWITCH CIRCUIT
1. Turn ignition switch OFF.
Monitor item
Condition
DOOR SW-DR
CLOSE
→
OPEN: OFF
→
ON
DOOR SW-AS
DOOR SW-DR
: ON
DOOR SW-AS
: ON
DOOR SW-DR
: OFF
DOOR SW-AS
: OFF
Connec-
tor
Item
Terminals
Condition
Voltage (V)
(Approx.)
(+)
(–)
M19
Front door
switch LH
47
Ground
Open
↓
Closed
0
↓
Battery voltage
M18
Front door
switch RH
12
2011 Pathfinder
RF-16
< DTC/CIRCUIT DIAGNOSIS >
DOOR SWITCH
2. Disconnect door switch and BCM.
3. Check continuity between door switch connector B8 (Front LH), B108 (Front RH) terminal 2 and BCM
connector M18, M19 terminals 12, 47.
4. Check continuity between door switch connector B8 (Front LH), B108 (Front RH) terminal 2 and ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace harness.
3.
CHECK DOOR SWITCHES
1. Check continuity between door switch terminals.
Is the inspection result normal?
YES
BCS-55, "Removal and Installa-
NO
>> Replace door switch.
2 - 47
:Continuity should exist
2 - 12
:Continuity should exist
2 - Ground
:Continuity should not exist
Terminal
Condition
Continuity
Door switch
2 – Ground
Open
Yes
Closed
No
WIIA0644E
2011 Pathfinder
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