2007 INFINITI FX35 window

GW-76
REAR WINDOW DEFOGGER
Revision: 2006 July 2007 FX35/FX45
Work FlowNIS001S9
1. Check the symptom and customer's requests.
2. Understand the outline of system. Refer to GW-67, "
System Description" .
3. According to the trouble diagnosis chart, repair or replace the cause of the malfunction. Refer to GW-76,
"Trouble Diagnoses Symptom Chart" .
4. Does rear window defogger operate normally? YES: GO TO 5, NO: GO TO 3.
5. INSPECTION END.
Trouble Diagnoses Symptom ChartNIS001SA
Make sure other systems using the signal of the following systems operate normally.
Symptom Diagnoses / Service procedure Refer to page
Rear window defogger and door mirror defogger do not
operate. 1. Check BCM power supply and ground circuit
GW-77
2. Check IPDM E/R auto active test PG-21
3. Check rear window defogger switch circuit GW-78
4. Check rear window defogger power supply circuit GW-79
5. Replace IPDM E/ R PG-28
Rear window defogger does not operate but both of door
mirror defogger operate. 1. Check rear window defogger circuit
GW-81
2. Check filament GW-87
Door mirror defogger does not operated but both of rear
window defogger operate. 1. Check door mirror defogger power supply circuit
GW-82
Driver side door mirror defogger does not operate. 1. Check driver side door mirror defogger circuit GW-84
Passenger side door mirror defogger does not operate. 1. Check passenger side door mirror defogger circuit GW-85
Rear window defogger switch does not light, and rear win-
dow defogger is not displayed on the display.
But rear window defogger operates. 1. Check rear window defogger signal
GW-85

REAR WINDOW DEFOGGER GW-77
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GW
Revision: 2006 July 2007 FX35/FX45
Check BCM Power Supply and Ground Circuit NIS001SB
First perform the “SELF-DIAG RESULTS” in “BCM” with CONSULT-II, when perform the each trouble
diagnosis. Refer to BCS-13, "
CAN Communication Inspection Using CONSULT-II (Self-Diagnosis)" .
1. CHECK FUSE

Check 15A fuse [No.1, located in the fuse block (J/B)]

Check 15A fuse [No.22, located in the fuse block (J/B)]

Check 50A fusible link (letter M located in the fuse and fusible link box).
NOTE:
Refer to GW-67, "
Component Parts and Harness Connector Location" .
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown out, be sure to eliminate cause of malfunction before installing new fuse. Refer to PG-3, "
POWER SUPPLY ROUTING CIRCUIT" .
2. CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch ON.
2. Check voltage between BCM connector M3, M4 terminal 38, 42, 55 and ground.
OK or NG
OK >> GO TO 3.
NG >> Check BCM power supply circuit for open or short.
3. CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check continuity between BCM connector M4 terminal 49, 52 and ground.
OK or NG
OK >> Power supply and ground circuit are OK.
NG >> Check BCM ground circuit for open or short. 38 (W/L) – Ground : Battery voltage
42 (L/R) – Ground : Battery voltage
55 (G) – Ground : Battery voltage
PIIA6160E
49 (B) – Ground : Continuity should exist.
52 (B) – Ground : Continuity should exist.
PIIA6161E

GW-78
REAR WINDOW DEFOGGER
Revision: 2006 July 2007 FX35/FX45
Check Rear Window Defogger Switch Circuit NIS001SC
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 ground.
OK or NG
OK >> Rear window defogger switch is OK.
NG >> GO TO 2.
2. CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect BCM and A/C and AV switch connector.
3. Check continuity between BCM connector M3 terminal 9 and A/ C and AV switch connector M64 terminal 16.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness. 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 Terminal (Wire color)
Condition Voltage (V)
(Approx.)
(+) (–)
M3 9 (L/W) Ground Rear window defogger
switch is pressed. 0
Rear window defogger
switch is OFF. 5
PIIA6208E
9 (L/W) – 16 (L/W) : Continuity should exist.
PIIA6209E

REAR WINDOW DEFOGGER GW-79
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B
GW
Revision: 2006 July 2007 FX35/FX45
3. CHECK BCM OUTPUT SIGNAL
1. Connect BCM connector.
2. Turn ignition switch ON.
3. Check voltage between BCM connector M3 terminal 9 and ground.
OK or NG
OK >> Replace A/C and AV switch.
NG >> Replace BCM.
Check rear Window Defogger Power Supply Circuit NIS001SD
1. CHECK FUSE

Check 10A fuse [No.12, located in the fuse block (J/B)]

Check 20A fuse (No.75, located in the IPDM E/R)

Check 20A fuse (No.80, located in the IPDM E/R)
NOTE:
Refer to GW-67, "
Component Parts and Harness Connector Location" .
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown out, be sure to eliminate cause of malfunction before installing new fuse, refer to
PG-3, "
POWER SUPPLY ROUTING CIRCUIT" .
2. CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Remove rear window defogger relay.
3. Turn ignition switch ON.
4. Check voltage between rear window defogger relay connector E13 terminals 1, 3, 6 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness. 9 (L/W) – Ground : Approx. 5
PIIA6208E
1 (OR) – Ground : Battery voltage
3 (W) – Ground : Battery voltage
6 (R) – Ground : Battery voltage
PIIA4233E

GW-80
REAR WINDOW DEFOGGER
Revision: 2006 July 2007 FX35/FX45
3. CHECK REAR WINDOW DEFOGGER RELAY
Check continuity between rear window defogger terminals 3 and 5, 6
and 7.
OK or NG
OK >> GO TO 4.
NG >> Replace rear window defogger relay.
4. CHECK REAR WINDOW DEFOGGER RELAY GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Installation rear window defogger relay.
3. Turn ignition switch ON.
4. Check voltage between IPDM E/R connector and ground.
OK or NG
OK >> Rear window defogger power supply circuit is OK.
NG >> GO TO 5.
5. CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connector and rear window defogger relay.
3. Check continuity between IPDM E/R connector E9 terminal 52 and rear window defogger relay connector E13 terminal 2.
OK or NG
OK >> GO TO 6.
NG >> Repair or replace harness.
Terminal Condition Continuity
35 12V direct current supply
between terminals 1 and 2 Ye s
No current supply No
67 12V direct current supply
between terminals 1 and 2 Ye s
No current supply No
SEC202B
Connector Terminals (Wire color)
Condition Voltage (V)
(Approx.)
(+) (-)
E9 52 (G) Ground When rear window defog-
ger switch ON 0
When rear window defog-
ger switch OFF Battery
voltage
PIIA6210E
52 (G) – 2 (G) : Continuity should exist.
PIIA6211E

REAR WINDOW DEFOGGER GW-81
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Revision: 2006 July 2007 FX35/FX45
6. CHECK REAR WINDOW DEFOGGER RELAY OUTPUT SIGNAL
1. Connect IPDM E/R connector and rear window defogger relay.
2. Turn ignition switch ON.
3. Check voltage between IPDM E/R connector E9 terminal 52 and ground.
OK or NG
OK >> Check condition of harness and connector.
NG >> Replace IPDM E/R.
Check Rear Window Defogger Circuit NIS001SE
1. CHECK POWER SUPPLY CIRCUIT 1
1. Turn ignition switch OFF.
2. Disconnect rear window defogger connector.
3. Turn ignition switch ON.
4. Check voltage between rear window defogger connector and ground.
OK or NG
OK >> GO TO 2.
NG >> GO TO 3.
2. CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between rear window defogger connector D114 terminal 2 and ground.
OK or NG
OK >> Check filament. Refer to GW-87, "Check Filament"

If filament is OK, check condition of harness and con-
nector.

If filament is NG, repair filament.
NG >> Repair or replace harness. 52 (G) – Ground : Battery voltage
PIIA6210E
Connector
Terminal (Wire color)
Condition Voltage (V)
(Approx.)
(+) (–)
D104 1(W) Ground Rear window defogger
switch ON. Battery voltage
Rear window defogger
switch OFF. 0
PIIA9347E
2 (B)
− Ground : Continuity should exist.
PIIA9348E

GW-82
REAR WINDOW DEFOGGER
Revision: 2006 July 2007 FX35/FX45
3. CHECK REAR WINDOW DEFOGGER RELAY CIRCUIT
1. Turn ignition switch OFF.
2. Remove rear window defogger relay.
3. Check continuity between rear window defogger relay connector E13 terminal 5, 7 and rear window defogger connector D104 ter-
minal 1.
OK or NG
OK >> Check condition of harness and connector.
NG >> Repair or replace harness.
Check Door Mirror Defogger Power Supply Circuit NIS001SF
1. CHECK FUSE

Check 15A fuse [No.8, located in fuse block (J/B)]
NOTE:
Refer to GW-67, "
Component Parts and Harness Connector Location" .
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown out, be sure to eliminate cause of malfunction before installing new fuse. Refer to
PG-3, "
POWER SUPPLY ROUTING CIRCUIT" .
2. CHECK POWER SUPPLY CIRCUIT 1
1. Turn ignition switch ON.
2. Check voltage between fuse block (J/B) connector and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3. CHECK POWER SUPPLY CIRCUIT 2
Check voltage between fuse block (J/B) connector and ground.
OK or NG
OK >> GO TO 4.
NG >> Replace fuse block (J/B). 5 (B) – 1 (W) : Continuity should exist.
7 (B) – 1 (W) : Continuity should exist.
PIIA9349E
Connector Terminal (Wire color)
Condition Voltage (V)
(Approx.)
(+) (–)
E201 2C (B) Ground Rear window defogger
switch ON Battery voltage
Rear window defogger
switch OFF 0
PIIA2388E
Connector Terminal (Wire color)
Condition Voltage (V)
(Approx.)
(+) (–)
M2 5B (L) Ground Rear window defogger
switch ON Battery voltage
Rear window defogger
switch OFF 0
PIIA2386E

REAR WINDOW DEFOGGER GW-83
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GW
Revision: 2006 July 2007 FX35/FX45
4. CHECK DOOR MIRROR CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect fuse block (J/B) and door mirror connector.
3. Check continuity between fuse block (J/B) connector and door mirror connector.
OK or NG
OK >> GO TO 5.
NG >> Repair or replace harness.
5. CHECK GROUND CIRCUIT
Check continuity between each door mirror connector and ground.
OK or NG
OK >> GO TO 6.
NG >> Repair or replace harness.
6. CHECK DOOR MIRROR DEFOGGER
1. Connect door mirror connector.
2. Check continuity between each door mirror connector.
OK or NG
OK >> Check condition of harness and connector.
NG >> Replace malfunctioning door mirror.
AB
Continuity
Fuse block (J/B)
connector TerminalDoor mirror
connector Te r m i n a l
M2 5B (L) D2 (driver side)
D32 (passenger side) 4(L) Yes
PIIB8569E
Door mirror
connector terminal
Ground Continuity
D2 (driver side)
D32 (passenger side) 3(B) Yes
PIIB8570E
Door mirror
connector terminal Terminal Continuity
D2 (driver side)
D32 (passenger side) 3(B) 4(L) Yes
PIIB8571E