window INFINITI FX35 2008 Service Manual

REAR WINDOW DEFOGGERGW-67
< SERVICE INFORMATION >
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Terminal and Reference Value for BCMINFOID:0000000001328004
Terminal and Reference Value for IPDM E/RINFOID:0000000001328005
CONSULT-III Function (BCM)INFOID:0000000001328006
DATA MONITOR
ACTIVE TEST
Te r m i n a l Wire col-
or ItemSignal In-
put/
Output Condition
Voltage (V)
(Approx.)
9L/W Rear window defogger
switch signal InputWhen rear window defogger switch is
pressed.
0
When rear window defogger switch is OFF. 5
38 W/L Ignition switch ON or START Input Ignition switch (ON or START position) Battery voltage
39 L CAN − H Input/
Output ——
40 P CAN − L Input/
Output ——
42 L/R Power source (Fuse) Input — Battery voltage
49 B Ground (signal) — — 0
52 B Ground (power) — — 0
55 G Power source (Fusible link) Input — Battery voltage
Te r m i n a l Wire col-
or Item Signal
Input/
Output Condition
Voltage (V)
(Approx.)
5 R Battery power supply Output — Battery voltage
6 W Battery power supply Output — Battery voltage
38 B Ground (Power) — — 0
48 L CAN − H Input/
Output ——
49 R CAN − L Input/
Output ——
52 G Rear window defogger relay
control signal
InputWhen rear window defogger switch is ON. 0
When rear window defogger switch is
OFF.
Battery voltage
60 B Ground (Signal) — — 0
BCM diagnostic test item Check item diagnostic test mode Content
REAR DEFOGGER Data monitor Displays the input data of BCM in real time.
Active test Gives a drive signal to a load to check the operation.
Monitor item Content
REAR DEF SW Displays “Press (ON)/others (OFF)” status determined with the rear window defogger switch.
IGN ON SW Displays “IGN (ON)/OFF” status determined with the ignition switch signal.
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GW-68
< SERVICE INFORMATION >
REAR WINDOW DEFOGGER
CONSULT-III Function (IPDM E/R)
INFOID:0000000001328007
DATA MONITOR
ACTIVE TEST
Work FlowINFOID:0000000001328008
1. Check the symptom and customer's requests.
2. Understand the outline of system. Refer to GW-60, "
System Description".
3. According to the trouble diagnosis chart, repair or replace the cause of the malfunction. Refer to GW-68,
"Trouble Diagnosis Symptom Chart".
4. Does rear window defogger operate no rmally? YES: GO TO 5, NO: GO TO 3.
5. INSPECTION END.
Trouble Diagnosis Symptom ChartINFOID:0000000001328009
Make sure other systems us ing the signal of the following systems operate normally.
Test item Content
REAR DEFOGGER Gives a drive sign al to the rear window defogger rela y to activate it.
IPDM E/R diagnostic test
item Check item diagnostic
test mode Content
REAR DEFOGGER Data monitor Displays the input data of BCM in real time.
Active test Gives a drive signal to a load to check the operation.
Monitored Item Description
RR DEF REQ Indicates [ON/OFF] condition of rear window defogger function by IPDM E/R.
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.
Symptom Diagnoses / Service procedure Refer to page
Rear window defogger and door mirror defogger do not op-
erate. 1. Check BCM power supply and ground circuit
GW-69
2. Check IPDM E/R auto active test PG-20
3. Check rear window defogger switch circuit GW-69
4. Check rear window defogger power supply circuit GW-70
5. Replace IPDM E/ R PG-24
Rear window defogger does not operate but both of door
mirror defogger operate. 1. Check rear window defogger circuit
GW-72
2. Check filament GW-77
Door mirror defogger does not operated but both of rear
window defogger operate. Check door mirror defogger power supply circuit
GW-73
Driver side door mirror defogger does not operate. Check driver side door mirror defogger circuit GW-75
Passenger side door mirror defogger does not operate. Check passenger side door mirror defogger circuit GW-75
Rear window defogger switch does not light, and rear win-
dow defogger is not displayed on the display.
But rear window defogger operates. Check rear window defogger signal
GW-76
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REAR WINDOW DEFOGGERGW-69
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Check BCM Power Supply and Ground CircuitINFOID:0000000001328010
First perform the “SELF-DIAG RESULTS” in “BCM” with CONSULT-III, when perform the each trouble
diagnosis. Refer to BCS-13, "
U1000 CAN Communication Circuit".
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-60, "
Component Parts and Harness Connector Location".
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown out, be sure to eliminate c ause of malfunction before installing new fuse. Refer to
PG-3
.
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.
Check Rear Window Defogger Switch CircuitINFOID:0000000001328011
1.CHECK REAR WINDOW DEF OGGER SWITCH OPERATION
With CONSULT-III
Check (“REAR DEF SW”, “IGN ON SW”) in DATA MONITOR mode with CONSULT-III.
Without CONSULT-III1. Turn ignition switch ON. 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
When rear window defogger switch is turned to ON
REAR DEF SW : ON
When ignition switch is turned to ON
IGN ON SW : ON
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GW-70
< SERVICE INFORMATION >
REAR WINDOW DEFOGGER
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.
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 CircuitINFOID:0000000001328012
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-60, "
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
.
2.CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
Connector Terminal (Wire color)
ConditionVoltage (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) : Cont
inuity should exist.
PIIA6209E
9 (L/W) – Ground : Approx. 5
PIIA6208E
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REAR WINDOW DEFOGGERGW-71
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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.
3.CHECK REAR WINDOW DEFOGGER RELAY
Check continuity between rear wi ndow 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 DEFOGG ER 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. 1 (OR) – Ground : Battery voltage
3 (W) – Ground : Battery voltage
6 (R) – Ground : Battery voltage
PIIA4233E
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)
ConditionVoltage (V)
(Approx.)
(+) (-)
E9 52 (G) Ground When rear window defog-
ger switch ON
0
When rear window defog-
ger switch OFF Battery
voltage
PIIA6210E
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GW-72
< SERVICE INFORMATION >
REAR WINDOW DEFOGGER
3. Check continuity between IPDM E/R connector E9 terminal 52and rear window defogger relay connector E13 terminal 2.
OK or NG
OK >> GO TO 6.
NG >> Repair or replace harness.
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 CircuitINFOID:0000000001328013
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. 52 (G) – 2 (G) : Continuity should exist.
PIIA6211E
52 (G) – Ground : Battery voltage
PIIA6210E
Connector
Terminal (Wire color)
ConditionVoltage (V)
(Approx.)
(+) (–)
D104 1(W) Ground Rear window defogger
switch ON.
Battery voltage
Rear window defogger
switch OFF. 0
PIIA9347E
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REAR WINDOW DEFOGGERGW-73
< SERVICE INFORMATION >
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2. Check continuity between rear window defogger connector D114 terminal 2 and ground.
OK or NG
OK >> Check filament. Refer to GW-77, "Check Filament"
 If filament is OK, check condition of harness and con-
nector.
 If filament is NG, repair filament.
NG >> Repair or replace harness.
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 CircuitINFOID:0000000001328014
1.CHECK FUSE
 Check 15A fuse [No.8, loca ted in fuse block (J/B)]
NOTE:
Refer to GW-60, "
Component Parts and Harness Connector Location".
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown out, be sure to eliminate c ause of malfunction before installing new fuse. Refer to
PG-3
.
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 2 (B)
− Ground : Continuity should exist.
PIIA9348E
5 (B) – 1 (W) : Cont inuity should exist.
7 (B) – 1 (W) : Cont inuity should exist.
PIIA9349E
ConnectorTerminal (Wire color)
ConditionVoltage (V)
(Approx.)
(+) (–)
E201 2C (B) Ground Rear window defogger
switch ON
Battery voltage
Rear window defogger
switch OFF 0
PIIA2388E
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GW-74
< SERVICE INFORMATION >
REAR WINDOW DEFOGGER
Check voltage between fuse block (J/B) connector and ground.
OK or NG
OK >> GO TO 4.
NG >> Replace fuse block (J/B).
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.
Connector Terminal (Wire color)
ConditionVoltage (V)
(Approx.)
(+) (–)
M2 5B (L) Ground Rear window defogger
switch ON
Battery voltage
Rear window defogger
switch OFF 0
PIIA2386E
AB
Continuity
Fuse block (J/B)
connector Te r m i n a lDoor 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
GroundContinuity
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
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REAR WINDOW DEFOGGERGW-75
< SERVICE INFORMATION >
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Check Driver Side Door Mirror Defogger CircuitINFOID:0000000001328015
1.CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect door mirror (driver side) connector.
3. Turn ignition switch ON.
4. Check voltage between door mirror (driver side) connector and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace harness.
2.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between door mirror (driver side) connector and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3.CHECK DOOR MIRROR DEFOGGER
1. Connector door mirror connector.
2. Check continuity between each door mirror connector.
OK or NG
OK >> Check condition of harness and connector.
NG >> Replace door mirror (driver side).
Check Passenger Si de Door Mirror Defogger CircuitINFOID:0000000001328016
1.CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect door mirror (passenger side) connector.
3. Turn ignition switch ON.
Connector Terminal (Wire color)
ConditionVoltage (V)
(Approx.)
(+) (–)
D2 4 (L) Ground Rear window defogger
switch ON
Battery voltage
Rear window defogger
switch OFF 0
PIIB8572E
Door mirror
connector terminal
GroundContinuity
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
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GW-76
< SERVICE INFORMATION >
REAR WINDOW DEFOGGER
4. Check voltage between door mirror (passenger side) connectorand ground.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace harness.
2.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between door mirror (passenger side) connec- tor and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3.CHECK DOOR MIRROR DEFOGGER
1. Connector door mirror connector.
2. Check continuity between each door mirror connector.
OK or NG
OK >> Check condition of harness and connector.
NG >> Replace door mirror (passenger side).
Check Rear Windo w Defogger SignalINFOID:0000000001328017
1.CHECK REAR WINDOW DEFOGGER SWITCH LAMP
A/C and AV switch self-diagnosis is performed. Refer to AV-34, "
A/C and AV Switch Self-Diagnosis Function"
Does rear window defogger switch light?
YES >> GO TO 2.
NO >> Replace A/C and AV switch.
2.CHECK AV COMMUNICATION LINE
AV communication line check is performed. Refer to AV-79, "
Unable to Operate System with A/C and AV
Switch"
Is rear window defogger displayed on the display?
YES >> GO TO 3.
NO >> Replace display control unit.
3.CHECK CAN COMMUNICATION LINE
ConnectorTerminal (Wire color)
ConditionVoltage (V)
(Approx.)
(+) (–)
D32 4 (L) Ground Rear window defogger
switch ON
Battery voltage
Rear window defogger
switch OFF 0
PIIB8572E
Door mirror
connector terminal
GroundContinuity
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
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