Nissan Pathfinder (2010 year). Manual — part 133
DIAGNOSIS SYSTEM (BCM)
DEF-7
< FUNCTION DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
DEF
N
O
P
REAR WINDOW DEFOGGER : CONSULT-III Function (BCM - REAR DEFOGGER)
INFOID:0000000005485382
DATA MONITOR
ACTIVE TEST
Monitor Item
[Unit]
Description
IGN ON SW [ON/OFF]
Indicates condition of ignition switch in ON position
ACC ON SW [ON/OFF]
Indicates condition of ignition switch in ACC position
REAR DEF SW [ON/OFF] Displays “Press (ON)/other (OFF)” status determined with the rear window defogger switch
Test Item
Description
REAR DEFOGGER
This test is able to check rear window defogger operation. Rear window defogger operates
when ’ON" on CONSULT-III screen is touched
2010 Pathfinder
DEF-8
< COMPONENT DIAGNOSIS >
REAR WINDOW DEFOGGER SWITCH
COMPONENT DIAGNOSIS
REAR WINDOW DEFOGGER SWITCH
Description
INFOID:0000000005256866
• The rear window defogger is operated by turning the rear window defogger switch ON.
• Turns the indicator lamp in the rear window defogger switch ON when operating the rear window defogger.
Component Function Check
INFOID:0000000005256867
1.
CHECK REAR WINDOW DEFOGGER SWITCH FUNCTION
Check that the indicator lamp of rear window defogger illuminates with rear window defogger switch ON.
Is the inspection result normal?
YES
>> Rear window defogger switch function is OK.
NO
>> Refer to
DEF-8, "Diagnosis Procedure A/C and AV Switch Assembly"
"Diagnosis Procedure Front Air Control"
Diagnosis Procedure A/C and AV Switch Assembly
INFOID:0000000005256868
Regarding Wiring Diagram information, refer to
.
1.
CHECK A/C AND AV SWITCH ASSEMBLY (REAR WINDOW DEFOGGER SWITCH) CIRCUIT
Does rear window defogger switch operate normally?
Is the inspection result normal?
YES
>> Inspection End.
NO
>> GO TO 2
2.
CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect BCM and A/C and AV switch assembly.
3. Check continuity between BCM harness connector M18 (A) terminal 9 and A/C and AV switch assembly
harness connector M98 (B) terminal 16.
4. Check continuity between BCM harness connector M18 (A) terminal 9 and ground.
Is the inspection result normal?
YES
>> Replace A/C and AV switch assembly. Refer to
VTL-7, "Removal and Installation"
NO
>> Repair or replace harness.
BCM connector
Terminal
A/C and AV switch
assembly connector
Terminal
Continuity
M18 (A)
9
M98 (B)
16
Yes
ALLIA0315ZZ
BCM connector
Terminal
Ground
Continuity
M18 (A)
9
No
2010 Pathfinder
REAR WINDOW DEFOGGER SWITCH
DEF-9
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
DEF
N
O
P
Diagnosis Procedure Front Air Control
INFOID:0000000005256869
Regarding Wiring Diagram information, refer to
.
1.
CHECK FRONT AIR CONTROL (REAR WINDOW DEFOGGER SWITCH) CIRCUIT
Does rear window defogger switch operate normally?
Is the inspection result normal?
YES
>> Inspection End.
NO
>> GO TO 2
2.
CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect BCM and front air control.
3. Check continuity between BCM harness connector M18 terminal
9 and front air control harness connector M52 terminal 11.
4. Check continuity between BCM harness connector M18 terminal
9 and ground.
Is the inspection result normal?
YES
>> Replace front air control. Refer to
VTL-7, "Removal and Installation"
NO
>> Repair or replace harness.
BCM connector
Terminal
Front air control
connector
Terminal
Continuity
M18
9
M52
11
Yes
BCM connector
Terminal
Ground
Continuity
M18
9
No
LIIA2047E
2010 Pathfinder
DEF-10
< COMPONENT DIAGNOSIS >
REAR WINDOW DEFOGGER RELAY
REAR WINDOW DEFOGGER RELAY
Description
INFOID:0000000005256870
Power is supplied to the rear window defogger with BCM control.
Component Function Check
INFOID:0000000005256871
1.
CHECK REAR WINDOW DEFOGGER RELAY POWER SUPPLY CIRCUIT
Check that an operation noise of rear window defogger relay (located in IPDM E/R) can be heard when turning
the rear window defogger switch ON.
Is the inspection result normal?
YES
>> Rear window defogger relay power supply circuit is OK.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000005256872
Regarding Wiring Diagram information, refer to
.
1.
CHECK FUSES
Check if any of the following fuses in the IPDM E/R are blown.
Is the inspection result normal?
YES
>> GO TO 2
NO
>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.
2.
CHECK REAR WINDOW DEFOGGER RELAY POWER SUPPLY CIRCUIT
1. Turn ignition switch ON.
2. Check voltage between IPDM E/R connector E124 terminal 60
and ground.
Is the inspection result normal?
YES
>> Replace IPDM E/R. Refer to
PCS-33, "Removal and Installation of IPDM E/R"
.
NO
>> GO TO 3
3.
CHECK INTERMITTENT INCIDENT
Check intermittent incident.
GI-37, "Intermittent Incident"
Is the inspection result normal?
YES
>> Check the following.
• Battery power supply circuit.
• IPDM E/R.
NO
>> Repair or replace the malfunctioning parts.
COMPONENT PARTS
AMPERE
FUSE NO.
IPDM E/R
15A
46
IPDM E/R
15A
47
Terminals
Condition of rear
window defogger
switch
Voltage (V)
(Approx.)
(+)
(–)
IPDM E/R con-
nector
Terminal
E124
60
Ground
ON Battery
voltage
OFF
0
LIIA2190E
2010 Pathfinder
REAR WINDOW DEFOGGER POWER SUPPLY AND GROUND CIRCUIT
DEF-11
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
DEF
N
O
P
REAR WINDOW DEFOGGER POWER SUPPLY AND GROUND CIRCUIT
Description
INFOID:0000000005256873
Heats the heating wire with the power supply from the rear window defogger relay to prevent the rear window
from fogging up.
Component Function Check
INFOID:0000000005256874
1.
CHECK REAR WINDOW DEFOGGER
Check that the heating wire of rear window defogger is heated when turning the rear window defogger switch
ON.
Is the inspection result normal?
YES
>> Rear window defogger is OK.
NO
>> Refer to
Diagnosis Procedure
INFOID:0000000005256875
Regarding Wiring Diagram information, refer to
.
1.
CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch ON.
2. Press the rear window defogger switch.
3. Check voltage between rear window defogger harness connec-
tor D651 terminal 1 and ground.
Is the inspection result normal?
YES
>> GO TO 2
NO
>> GO TO 3
2.
CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear window defogger.
3. Check continuity between rear window defogger harness con-
nector D604 terminal 2 and ground.
Is the inspection result normal?
YES
>> GO TO 4
NO
>> Repair or replace harness.
3.
CHECK HARNESS CONTINUITY
Terminals
Condition of rear
window
defogger switch
Voltage (V)
(Approx.)
(+)
(–)
Rear window
defogger
connector
Terminal
D651
1
Ground
ON
Battery voltage
OFF
0
ALLIA0177ZZ
Rear window defogger connector
Terminal
Ground
Continuity
D604
2
Yes
ALLIA0178ZZ
2010 Pathfinder
DEF-12
< COMPONENT DIAGNOSIS >
REAR WINDOW DEFOGGER POWER SUPPLY AND GROUND CIRCUIT
1. Disconnect IPDM E/R.
2. Check continuity between rear window defogger harness con-
nector D651 (A) terminal 1 and IPDM E/R connector E124 (B)
terminal 60.
3. Check continuity between rear window defogger harness con-
nector D651 (A) terminal 1 and ground.
Is the inspection result normal?
YES
>> GO TO 5
NO
>> Replace or repair harness.
4.
CHECK FILAMENT
Check filament.
DEF-12, "Component Inspection"
Is the inspection result normal?
YES
>> Refer to
GI-37, "Intermittent Incident"
.
NO
>> Repair filament. Refer to
.
5.
CHECK INTERMITTENT INCIDENT
Check intermittent incident.
GI-37, "Intermittent Incident"
Is the inspection result normal?
YES
>> Check the following.
• Battery power supply circuit.
• IPDM E/R.
NO
>> Repair or replace the malfunctioning parts.
Component Inspection
INFOID:0000000005256876
1.
CHECK FILAMENT
Check the filament for damage or open circuits.
.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Repair filament. Refer to
.
Rear window defog-
ger connector
Terminal
IPDM E/R
connector
Terminal
Continuity
D651 (A)
1
E124 (B)
60
Yes
Rear window defog-
ger connector
Terminal
Ground
Continuity
D651 (A)
1
No
LIIA2644E
2010 Pathfinder
DOOR MIRROR DEFOGGER LH
DEF-13
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
DEF
N
O
P
DOOR MIRROR DEFOGGER LH
Description
INFOID:0000000005256877
Heats the heating wire with the power supply from the rear window defogger relay to prevent the door mirror
from fogging up.
Component Function Check
INFOID:0000000005256878
1.
CHECK DOOR MIRROR DEFOGGER LH
Check that heating wire of door mirror defogger LH is heated when turning the rear window defogger switch
ON.
Is the inspection result normal?
YES
>> Door mirror defogger is OK.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000005256879
Regarding Wiring Diagram information, refer to
.
1.
CHECK POWER SUPPLY
Check if the following fuse in the IPDM E/R is blown.
Is the inspection result normal?
YES
>> GO TO 2
NO
>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.
2.
CHECK DOOR MIRROR DEFOGGER POWER SUPPLY CIRCUIT
1. Turn ignition switch ON.
2. Check voltage between IPDM E/R connector E120 terminal 23
and ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Replace IPDM E/R. Refer to
PCS-33, "Removal and Installation of IPDM E/R"
.
3.
CHECK DOOR MIRROR DEFOGGER POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect door mirror LH.
3. Turn ignition switch ON.
4. Check voltage between door mirror LH harness connector terminal 1 and ground.
COMPONENT PARTS
AMPERE
FUSE NO.
IPDM E/R
15A
43
Connector
Terminal
Condition
Voltage (V)
(Approx.)
(+)
(-)
E120
23
Ground
Rear window defogger
switch ON
Battery voltage
Rear window defogger
switch OFF
0
LIIA2049E
2010 Pathfinder
DEF-14
< COMPONENT DIAGNOSIS >
DOOR MIRROR DEFOGGER LH
WITHOUT AUTOMATIC DRIVE POSITIONER
WITH AUTOMATIC DRIVE POSITIONER
Is the inspection result normal?
YES
>> GO TO 4
NO
>> Repair or replace harness.
4.
CHECK DOOR MIRROR DEFOGGER CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R.
3. Check continuity between IPDM E/R connector E120 (A) termi-
nal 23 and door mirror LH harness connector (B) terminal 1.
WITHOUT AUTOMATIC DRIVE POSITIONER
WITH AUTOMATIC DRIVE POSITIONER
4. Check continuity between IPDM E/R connector E120 terminal 23 and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace harness.
5.
CHECK DOOR MIRROR DEFOGGER GROUND CIRCUIT
Connector
Terminal
Condition
Voltage (V)
(Approx.)
(+)
(-)
D4
1
Ground
Rear window defogger
switch ON
Battery voltage
Rear window defogger
switch OFF
0
Connector
Terminal
Condition
Voltage (V)
(Approx.)
(+)
(-)
D18
1
Ground
Rear window defogger
switch ON
Battery voltage
Rear window defogger
switch OFF
0
LIIA2050E
LIIA2191E
Connector
Terminal
Connector
Terminal
Continuity
A
B
IPDM E/R: E120
23
Door mirror:
D4
1
Yes
Connector
Terminal
Connector
Terminal
Continuity
A
B
IPDM E/R: E120
23
Door mirror:
D18
1
Yes
A
Ground
Continuity
Connector
Terminal
IPDM E/R: E120
23
No
2010 Pathfinder
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