Nissan Pathfinder (2007 year). Manual — part 278
REAR WINDOW DEFOGGER
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2007 Pathfinder
Wiring Diagram — DEF —
EIS007SC
WIWA1607E
GW-78
REAR WINDOW DEFOGGER
2007 Pathfinder
WIWA2115E
REAR WINDOW DEFOGGER
GW-79
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2007 Pathfinder
WIWA0534E
GW-80
REAR WINDOW DEFOGGER
2007 Pathfinder
Terminals and Reference Values for BCM
EIS007SD
Refer to
BCS-12, "Terminals and Reference Values for BCM"
.
Terminals and Reference Values for IPDM E/R
EIS007SE
Refer to
PG-27, "Terminals and Reference Values for IPDM E/R"
Work Flow
EIS007SF
1.
Check the symptom and customer's requests.
2.
Understand the outline of system. Refer to
3.
According to the trouble diagnosis chart, repair or replace the cause of the malfunction. Refer to
"Trouble Diagnoses Symptom Chart"
.
4.
Does rear window defogger operate normally? YES: GO TO 5, NO: GO TO 3.
5.
Inspection End.
CONSULT-II Function (BCM)
EIS007SG
CONSULT-II can display each diagnostic item using the diagnostic test modes shown following.
CONSULT-II START PROCEDURE
Refer to
GI-38, "CONSULT-II Start Procedure"
DATA MONITOR
Display Item List
ACTIVE TEST
Display Item List
Trouble Diagnoses Symptom Chart
EIS007SH
Make sure other systems using the signal of the following systems operate normally.
BCM diagnostic
test item
Diagnostic mode
Content
Inspection by part
WORK SUPPORT
Supports inspections and adjustments. Commands are transmitted to the BCM
for setting the status suitable for required operation, input/output signals are
received from the BCM and received data is displayed.
DATA MONITOR
Displays BCM input/output data in real time.
ACTIVE TEST
Operation of electrical loads can be checked by sending drive signal to them.
SELF-DIAG RESULTS
Displays BCM self-diagnosis results.
CAN DIAG SUPPORT
MNTR
The results of transmit/receive diagnosis of CAN communication can be read.
ECU PART NUMBER
BCM part number can be read.
CONFIGURATION
Performs BCM configuration read/write functions.
Monitor item “Operation”
Content
REAR DEF SW
“ON/OFF”
Displays “Press (ON)/others (OFF)” status determined with the rear window defogger switch.
IGN ON SW
“ON/OFF”
Displays “IGN (ON)/OFF” status determined with the ignition switch signal.
Test item
Content
REAR WINDOW DEFOGGER
Gives a drive signal to the rear window defogger to activate it.
Symptom
Diagnoses / Service procedure
Refer to page
Rear window defogger and door mirror defoggers do not
operate. (With heated mirrors)
1. BCM power supply and ground circuit check
2. IPDM E/R auto active test check
3. Rear window defogger switch circuit check
4. Replace IPDM E/R
REAR WINDOW DEFOGGER
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2007 Pathfinder
BCM Power Supply and Ground Circuit Check
EIS007SI
Refer to
BCS-16, "BCM Power Supply and Ground Circuit Check"
Rear Window Defogger Switch Circuit Check
EIS007SJ
1.
CHECK REAR WINDOW DEFOGGER SWITCH OPERATION
With CONSULT-II
Check (“REAR DEF SW”, “IGN ON SW”) in DATA MONITOR mode
with CONSULT-II.
Without CONSULT-II
1.
Turn ignition switch ON.
2.
Check voltage between BCM connector and ground.
OK or NG
OK
>> Rear window defogger switch check is OK.
NG
>> GO TO 2.
Rear window defogger does not operate.
(Without heated mirrors)
1. BCM power supply and ground circuit check
2. IPDM E/R auto active test check
3. Rear window defogger switch circuit check
4. Rear window defogger circuit check
5. Filament check
7. Replace IPDM E/R
Rear window defogger does not operate but both door mir-
ror defoggers operate. (With heated mirrors)
1. Rear window defogger circuit check
2. Filament check
3. Replace IPDM E/R
Both door mirror defoggers do not operate but rear window
defogger operates. (With heated mirrors)
1. Door mirror defogger power supply circuit check
2. Replace IPDM E/R
Door mirror LH defogger does not operate.
1. Door mirror LH defogger circuit check
Door mirror RH defogger does not operate.
1. Door mirror RH defogger circuit check
Rear window defogger switch does not light, but rear win-
dow defogger operates.
1. Rear window defogger signal check
Symptom
Diagnoses / Service procedure
Refer to page
When rear window defogger switch is turned to ON
REAR DEF SW
: ON
When ignition switch is turned to ON
IGN ON SW
: ON
PIIA2373E
Connector
Terminals
Condition
Voltage (V)
(Approx.)
(+)
(-)
M18
9
Ground
Rear window defogger
switch is pressed.
0
Rear window defogger
switch is OFF.
5
WIIA0523E
GW-82
REAR WINDOW DEFOGGER
2007 Pathfinder
2.
CHECK REAR WINDOW DEFOGGER SWITCH CIRCUIT HARNESS CONTINUITY
1.
Turn ignition switch OFF.
2.
Disconnect BCM and front air control.
3.
Check continuity between BCM connector M18 terminal 9 and
front air control connector M49 terminal 11.
4.
Check continuity between BCM connector M18 terminal 9 and
ground
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace harness.
3.
CHECK BCM OUTPUT SIGNAL
1.
Connect BCM.
2.
Turn ignition switch ON.
3.
Check voltage between BCM connector M18 terminal 9 and
ground.
OK or NG
OK
>> Replace front air control. Refer to
.
NG
BCS-25, "Removal and Installa-
.
Rear Window Defogger Circuit Check
EIS007SK
1.
CHECK FUSES
Check if any of the following fuses in IPDM E/R are blown.
OK or NG
OK
>> GO TO 2.
NG
>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.
9 - 11
: Continuity should exist.
9 - Ground
: Continuity should not exist.
LIIA2047E
9 - Ground
: Approx. 5V
WIIA0523E
COMPONENT PARTS
AMPERE
FUSE NO.
IPDM E/R
15A
46
IPDM E/R
15A
47
REAR WINDOW DEFOGGER
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2007 Pathfinder
2.
CHECK REAR WINDOW DEFOGGER POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect rear window defogger.
3.
Turn ignition switch ON.
4.
Check voltage between rear window defogger connector D651
terminal + and ground.
OK or NG
OK
>> GO TO 3.
NG
>> GO TO 4.
3.
CHECK REAR WINDOW DEFOGGER GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Check continuity between rear window defogger connector
D604 terminal - and ground.
OK or NG
OK
●
If filament is OK.
Check the condition of the harness and the connector.
●
If filament is NG.
Repair filament.
NG
>> Repair or replace harness.
4.
CHECK REAR WINDOW DEFOGGER RELAY OUTPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Check voltage between IPDM E/R connector E124 terminal 60
and ground.
OK or NG
OK
>> Repair or replace harness.
NG
>> Replace IPDM E/R. Refer to
PG-32, "Removal and Installation of IPDM E/R"
Door Mirror Defogger Power Supply Circuit Check
EIS007SL
1.
CHECK FUSE
Check if the following fuse in IPDM E/R is blown.
Connector
Terminals
Condition
Voltage (V)
(Approx.)
(+)
(-)
D651
+
Ground
Rear window defogger
switch ON.
Battery voltage
Rear window defogger
switch OFF.
0
LIIA2048E
- - Ground
: Continuity should exist.
LIIA0409E
Connector
Terminals
Condition
Voltage (V)
(Approx.)
(+)
(-)
E124
60
Ground
Rear window defogger
switch ON.
Battery voltage
Rear window defogger
switch OFF.
0
LIIA2190E
COMPONENT PARTS
AMPERE
FUSE NO.
IPDM E/R
15A
43
GW-84
REAR WINDOW DEFOGGER
2007 Pathfinder
OK or NG
OK
>> GO TO 2.
NG
>> 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 and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Replace IPDM E/R. Refer to
PG-32, "Removal and Installation of IPDM E/R"
3.
CHECK DOOR MIRROR DEFOGGER CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect IPDM E/R and door mirror LH or RH.
3.
Check continuity between IPDM E/R connector and door mirror
LH or RH connector.
4.
Check continuity between IPDM E/R and ground.
OK or NG
OK
>> GO TO 4.
NG
>> Repair or replace harness.
4.
CHECK DOOR MIRROR DEFOGGER GROUND CIRCUIT
Check continuity between each door mirror connector D4 (LH) or
D107 (RH) terminal 6 and ground.
OK or NG
OK
>> GO TO 5.
NG
>> Repair or replace harness.
Connector
Terminals
Condition
Voltage (V)
(Approx.)
(+)
(-)
E120
23
Ground
Rear window defogger
switch ON
Battery voltage
Rear window defogger
switch OFF
0
LIIA2049E
Connector
Terminal
Connector
Terminal
Continuity
A
B
IPDM E/R:
E120
23
Door mirror:
D4 (LH) or
D107 (RH)
1
Yes
A
Ground
Continuity
Connector
Terminal
IPDM E/R:
E120
23
No
LIIA2191E
6 - Ground
: Continuity should exist.
LIIA2037E
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