Nissan Pathfinder (2012 year). Instruction — part 367
EXL-52
< DTC/CIRCUIT DIAGNOSIS >
PARKING LAMP CIRCUIT
6. Check continuity between the IPDM E/R harness connector (A)
and license plate lamp connector (B).
Are continuity results as specified?
YES
.
NO
>> Repair the harnesses or connectors.
4.
CHECK PARKING, LICENSE AND TAIL LAMP GROUND CIRCUITS
1. Check continuity between the front parking lamp harness con-
nector and ground.
2. Check continuity between the front side marker lamp harness
connector and ground.
3. Check continuity between the rear combination lamp harness
connector and ground.
A
B
Continuity
Connector
Terminal
Connector
Terminal
E124
57
D506
1
Yes
D507
ALLIA0638GB
Connector
Terminal
—
Continuity
LH
E27
1
Ground
Yes
RH
E111
AWLIA1676ZZ
Connector
Terminal
—
Continuity
LH
E17
2
Ground
Yes
RH
E108
AWLIA1677ZZ
Connector
Terminal
—
Continuity
LH
B35
5
Ground
Yes
RH
B105
ALLIA0641GB
August 2012
2012 Pathfinder
PARKING LAMP CIRCUIT
EXL-53
< DTC/CIRCUIT DIAGNOSIS >
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4. Check continuity between the license plate lamp harness con-
nector and ground.
Are continuity results as specified?
YES
>> Inspect the parking lamp bulb.
NO
>> Repair the harness.
Connector
Terminal
—
Continuity
D506
2
Ground
Yes
D507
ALLIA0642GB
August 2012
2012 Pathfinder
EXL-54
< DTC/CIRCUIT DIAGNOSIS >
TURN SIGNAL LAMP CIRCUIT
TURN SIGNAL LAMP CIRCUIT
Description
INFOID:0000000007355159
The BCM monitors inputs from the combination switch (lighting and turn signal switch) to determine when to
activate the turn signals. The BCM outputs voltage direction to the left and right turn signals during turn signal
operation or both during hazard warning operation. The BCM sends a turn signal indicator request to the com-
bination meter via the CAN communication lines.
The BCM performs the fast flasher operation (fail-safe) if any bulb or harness of the turn signal lamp circuit is
open.
NOTE:
Turn signal lamp blinks at normal speed when using the hazard warning lamp.
Component Function Check
INFOID:0000000007355160
1.
CHECK TURN SIGNAL LAMP
WITH CONSULT
1. Select "FLASHER" of BCM (FLASHER) active test item.
2. With operating the test items, check that the turn signal lamp blinks.
Does the turn signal lamp blink?
YES
>> Turn signal lamp circuit is normal.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000007355161
Regarding Wiring Diagram information, refer to
.
1.
CHECK TURN SIGNAL LAMP BULB
Check the applicable lamp bulb to be sure the proper bulb standard is in use and the bulb is not open.
Is the bulb OK?
YES
>> GO TO 2
NO
>> Replace the bulb.
2.
CHECK TURN SIGNAL LAMP OUTPUT VOLTAGE
1. Turn the ignition switch OFF.
2. Disconnect front combination lamp connector and rear combination lamp connector.
3. Turn the ignition switch ON.
4. With turn signal switch operating, check the voltage between the front combination lamp harness connec-
tor and ground.
LH
: Turn signal lamp LH blinking
RH
: Turn signal lamp RH blinking
Off
: The turn signal lamp OFF
(+)
(
−
)
Voltage
Connector
Terminal
E27
LH
3
Ground
E111
RH
PKID0926E
August 2012
2012 Pathfinder
TURN SIGNAL LAMP CIRCUIT
EXL-55
< DTC/CIRCUIT DIAGNOSIS >
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5. With turn signal switch operating, check the voltage between the rear combination lamp harness connec-
tor and ground.
Is voltage reading as specified?
YES
>> GO TO 3
NO
>> GO TO 5
3.
CHECK TURN SIGNAL LAMP CIRCUIT FOR OPEN
1. Turn the ignition switch OFF.
2. Disconnect BCM connector M20, front combination lamp con-
nector and rear combination lamp connector.
3. Check continuity between the BCM harness connector M20 (A)
and the front combination lamps harness connector (B).
4. Check continuity between the BCM harness connector M20 (A)
and the rear combination lamp harness connector (B).
Are continuity results as specified?
YES
>> GO TO 4
NO
>> Repair the harnesses or connectors.
4.
CHECK TURN SIGNAL LAMP SHORT CIRCUIT
Check continuity between the BCM harness connector M20 and
ground.
Does continuity exist?
YES
>> Repair the harnesses or connectors.
NO
>> Replace BCM. Refer to
BCS-53, "Removal and Installa-
.
5.
CHECK TURN SIGNAL LAMP GROUND CIRCUIT
(+)
(
−
)
Voltage
Connector
Terminal
B35
LH
4
Ground
B105
RH
PKID0926E
A
B
Continuity
Connector
Terminal
Connector
Terminal
Front LH
M20
60
E27
3
Yes
Front RH
61
E111
AWLIA1678ZZ
A
B
Continuity
Connector
Terminal
Connector
Terminal
Rear LH
M20
60
B35
4
Yes
Rear RH
61
B105
4
ALLIA0644GB
Connector
Terminal
—
Continuity
LH
M20
60
Ground
No
RH
61
ALLIA0404GB
August 2012
2012 Pathfinder
EXL-56
< DTC/CIRCUIT DIAGNOSIS >
TURN SIGNAL LAMP CIRCUIT
1. Check continuity between the front combination lamp harness
connector and ground.
2. Check continuity between the rear combination lamp harness
connector and ground.
Are continuity results as specified?
YES
>> Replace the malfunctioning lamp.
NO
>> Repair the harnesses or connectors.
Connector
Terminal
—
Continuity
Front LH
E27
1
Ground
Yes
Front RH
E111
AWLIA1679ZZ
Connector
Terminal
—
Continuity
Rear LH
B35
5
Ground
Yes
Rear RH
B105
ALLIA0641GB
August 2012
2012 Pathfinder
OPTICAL SENSOR
EXL-57
< DTC/CIRCUIT DIAGNOSIS >
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OPTICAL SENSOR
Description
INFOID:0000000007355162
The optical sensor converts the outside brightness (lux) to voltage and transmits the optical sensor signal to
the BCM.
Component Function Check
INFOID:0000000007355163
1.
CHECK OPTICAL SENSOR SIGNAL BY CONSULT
WITH CONSULT
1. Turn the ignition switch ON.
2. Select "OPTICAL SENSOR" of BCM (HEAD LAMP) DATA MONITOR item.
3. Turn the lighting switch to AUTO.
4. With the optical sensor illuminating, check the monitor status.
*: Illuminates the optical sensor. The value may be less than the standard value if brightness is weak.
Is the item status normal?
YES
>> Optical sensor is normal.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000007355164
Regarding Wiring Diagram information, refer to
.
1.
CHECK OPTICAL SENSOR GROUND CIRCUIT
1. Turn the ignition switch OFF.
2. Disconnect BCM connector M18 and optical sensor connector M145.
3. Check continuity between BCM harness connector and optical sensor harness connector.
4. Check continuity between BCM harness connector and ground.
Are continuity results as specified?
YES
>> GO TO 2
NO
>> Repair harness or connector.
2.
CHECK OPTICAL SENSOR SIGNAL CIRCUIT
1. Check continuity between BCM harness connector and optical sensor harness connector.
Monitor item
Condition
Voltage
OPTICAL SENSOR
When illuminating
3.1V or more *
When shutting off light
0.6V or less
BCM
Optical sensor
Continuity
Connector
Terminal
Connector
Terminal
M18
18
M145
3
Yes
BCM
—
Continuity
Connector
Terminal
M18
18
Ground
No
BCM
Optical sensor
Continuity
Connector
Terminal
Connector
Terminal
M20
58
M145
4
Yes
August 2012
2012 Pathfinder
EXL-58
< DTC/CIRCUIT DIAGNOSIS >
OPTICAL SENSOR
2. Check continuity between BCM harness connector M20 and ground.
Are the continuity results as specified?
YES
>> Replace the optical sensor. Refer to
EXL-147, "Removal and Installation"
.
NO
>> Repair harness or connector.
BCM
—
Continuity
Connector
Terminal
M20
58
Ground
No
August 2012
2012 Pathfinder
BCM (BODY CONTROL MODULE)
EXL-59
< ECU DIAGNOSIS INFORMATION >
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ECU DIAGNOSIS INFORMATION
BCM (BODY CONTROL MODULE)
Reference Value
INFOID:0000000007827524
NOTE:
The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II
User Guide for additional information.
• Activate and display TPMS transmitter IDs
• Display tire pressure reported by the TPMS transmitter
• Read TPMS DTCs
• Register TPMS transmitter IDs
VALUES ON THE DIAGNOSIS TOOL
Monitor Item
Condition
Value/Status
ACC ON SW
Ignition switch OFF or ON
Off
Ignition switch ACC
On
AIR COND SW
A/C switch OFF
Off
A/C switch ON
On
AIR PRESS FL
Front left tire air pressure value
kPa, kg/cm
2
, psi
AIR PRESS FR
Front right tire air pressure value
kPa, kg/cm
2
, psi
AIR PRESS RL
Rear left tire air pressure value
kPa, kg/cm
2
, psi
AIR PRESS RR
Rear right tire air pressure value
kPa, kg/cm
2
, psi
AUTO LIGHT SW
Lighting switch OFF
Off
Lighting switch AUTO
On
BACK DOOR SW
Back door closed
Off
Back door opened
On
BRAKE SW
Brake pedal released
Off
Brake pedal applied
On
BUCKLE SW
Seat belt buckle unfastened
Off
Seat belt buckle fastened
On
BUZZER
Buzzer in combination meter OFF
Off
Buzzer in combination meter ON
On
CDL LOCK SW
Door lock/unlock switch does not operate
Off
Press door lock/unlock switch to the LOCK side
On
CDL UNLOCK SW
Door lock/unlock switch does not operate
Off
Press door lock/unlock switch to the UNLOCK side
On
DOOR SW-AS
Front door RH closed
Off
Front door RH opened
On
DOOR SW-DR
Front door LH closed
Off
Front door LH opened
On
DOOR SW-RL
Rear door LH closed
Off
Rear door LH opened
On
DOOR SW-RR
Rear door RH closed
Off
Rear door RH opened
On
FAN ON SIG
Blower motor fan switch OFF
Off
Blower motor fan switch ON
On
August 2012
2012 Pathfinder
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