Infiniti F50. Manual — part 599
REAR WINDOW DEFOGGER
GW-67
C
D
E
F
G
H
J
K
L
M
A
B
GW
3.
Turn ignition switch “ON”.
4.
Touch “START(NISSAN BASED VHCL)”.
5.
Touch “IVMS”on the “SELECT SYSTEM” screen.
If “BCM” is not indicated, go to Refer to
,“CONSULT-II
Date Link Connector (DLC) Circuit”.
6.
Check the model specification, and touch either “WITH SUN-
ROOF” or "WITHOUT SUNROOF” on the “SELECT SYS
COND" screen.
7.
Touch "OK". If the selection is wrong, touch “CANCEL”.
8.
Select the desired part to be diagnosed on the "SELECT TEST
ITEM" screen.
DATA MONITOR
Display Item List
ACTIVE TEST
Display Item List
MBIB0233E
PIIA0183E
PIIA0184E
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 DEFOGGER
Gives a drive signal to the rear window defogger to activate it.
GW-68
REAR WINDOW DEFOGGER
Trouble Diagnoses Symptom Chart
EIS003SY
●
Check that other systems using the signal of the following systems operate normally.
Rear Window Defogger Switch Circuit Check.
EIS003SZ
1.
CHECK REAR WINDOW DEFOGGER (MULTI–FUNCTION) SWITCH
With CONSULT-II
Check rear window defogger switch “REAR DEF SW” in the “DATA MONITOR” mode with CONSULT-II,
Refer to
With out CONSULT-II
1.
Turn ignition switch ON.
2.
Check voltage between BCM connector and ground.
OK or NG
OK
>> Rear window defogger switch is OK.
NG
>> GO TO 2
Symptom
Diagnoses / service procedure
Refer to page
Rear window defogger and door mirror defogger do not
operate.
1. Rear window defogger switch circuit check.
2. Rear window defogger and door mirror defogger relay
circuit check.
Rear window defogger does not operate but door mirror
defogger operate.
1. Rear window defogger circuit check.
2. Filament check.
Door mirror defogger does not operated, but rear win-
dow defogger operates.
1. Door mirror defogger power supply circuit check.
Driver side door mirror defogger does not operated,
but other defogger operates.
1. Driver side door mirror defogger circuit check.
Passenger side door mirror defogger does not operated,
but other defogger operates.
1. Passenger side door mirror defogger circuit check.
When rear window defogger switch ON
REAR DEF SW
:ON
PIIA0209E
Connector
Terminal
(Wire color)
Condition
Voltage [V]
(Approx)
(+)
(–)
M4
10 (G/R)
Ground
Rear window defogger
switch is ON.
(With the switch pressed)
0
Rear window defogger
switch is OFF.
5
PIIA2884E
REAR WINDOW DEFOGGER
GW-69
C
D
E
F
G
H
J
K
L
M
A
B
GW
2.
REAR WINDOW DEFOGGER SWITCH SIGNAL CIRCUIT INSPECTION
1.
Turn ignition switch OFF.
2.
Disconnect BCM and multifunction switch (rear window defogger with) connectors.
3.
Check continuity between BCM connector M4 terminal 10 and multifunction switch (rear defogger switch)
connector M83 terminal 5.
4.
Check continuity between BCM harness connector M4 terminal
10 and ground
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace harness between BCM and multifunc-
tion switch (rear window defogger switch).
3.
MULTIFUNCTION (REAR WINDOW DEFOGGER) SWITCH GROUND HARNESS INSPECTION
Check continuity between multi-function switch (rear window defogger switch) connector M83 terminal 2 and
ground.
OK or NG
OK
>> Replace multi function switch.
NG
>> Repair or replace harness between multifunction switch
(rear window defogger switch) and ground.
Rear Window Defogger and Door Mirror Defogger Circuit Check
EIS003T0
1.
CHECK FUSE
Check if any of the following fuses for Fuse block (J/B) are blown.
NOTE:
Refer to
GW-59, "Component Parts and Harness Connector Location"
.
OK or NG
OK
>> GO TO 2.
NG
>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse, refer to
10 (G/R) – 5(G/R)
:Continuity should exist
10 (G/R) – Ground
:Continuity should not exist
PIIA2885E
2(B)
−
ground
:Continuity should exist
PIIA3514E
System
Terminal No. (signal)
Power source
Fuse No.
Ampere (A)
Rear defogger
8H
BAT power supply
#10
20
3H
BAT power supply
#11
20
2J
IGN power supply
#1
10
GW-70
REAR WINDOW DEFOGGER
2.
CHECK REAR WINDOW DEFOGGER AND DOOR MIRROR DEFOGGER RELAY POWER SUPPLY
CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect rear window defogger and door mirror defogger relay.
3.
Check voltage between rear window defogger and door mirror defogger relay connector B8 terminal 1, 3,
6 and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Check harness for open or short between rear window defogger and door mirror defogger relay
and fuse.
3.
REAR WINDOW DEFOGGER AND DOOR MIRROR DEFOGGER RELAY INSPECTION
With CONSULT-II
1.
Connect the rear window defogger and door mirror defogger relay.
2.
Check rear window defogger and door mirror defogger relay “REAR DEFOGGER RLY” in the ACTIVE
TEST mode with CONSULT-II, Refer to
, check the operation.
Without CONSULT-II
Check continuity between terminals 3 and 5, 6 and 7.
OK or NG
OK
>> GO TO 4.
NG
>> Replace rear window defogger and door mirror defogger relay.
Connector
Terminals (Wire color)
Power source
Condition
Voltage [V]
(Approx.)
(+)
(–)
B8
1 (W/G)
Ground
IGN
power supply
Ignition
switch OFF
Battery
voltage
3 (R/B)
BAT
power supply
Ignition
switch ON
6 (L)
BAT
power supply
Ignition
switch OFF
PIIB0316E
The operation sound of rear defogger relay is
confirmed.
PIIA0208E
Terminal
Condition
Continuity
3
5
12V direct current supply
between terminals 1 to 2
Should exist
No current supply
Should not exist
6
7
12V direct current supply
between terminals 1 to 2
Should exist
No current supply
Should not exist
SEC202B
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