Infiniti F50. Manual — part 598
REAR WINDOW DEFOGGER
GW-63
C
D
E
F
G
H
J
K
L
M
A
B
GW
TIWM0207E
GW-64
REAR WINDOW DEFOGGER
TIWM0179E
REAR WINDOW DEFOGGER
GW-65
C
D
E
F
G
H
J
K
L
M
A
B
GW
Terminals and reference value for BCM
EIS003SV
Work Flow
EIS003SW
1.
Check the symptom and customer's requests.
2.
Understand the outline of system. Refer to
3.
The preliminary check. Refer to
.
4.
According to the trouble diagnosis chart, repair or replace the cause of the malfunction. Refer to
"Trouble Diagnoses Symptom Chart"
5.
Does rear defogger operate normally?
OK: GO TO 6.
NG: GO TO 4.
6.
Inspection end.
Preliminary Check
EIS003T7
POWER SUPPLY AND GROUND CIRCUIT INSPECTION
1.
FUSE INSPECTION
●
Check that any of the following fuses in the BCM is 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 problem before installing new fuse. Refer to
TERMINAL
WIRE COLOR
ITEM
CONDITION
VOLTAGE [V]
(Approx.)
10
G/R
Rear defogger switch signal
Rear defogger switch ON
(With the switch pressed)
0
Rear defogger switch OFF
5
56
B
Ground
–
0
68
W/B
IGN power supply
Ignition switch ON or START
Battery voltage
105
Y/L
BAT power supply
–
Battery voltage
113
B
Ground
–
0
144
G/W
Rear window defogger and door mir-
ror defogger relay control signal
Rear defogger switch ON
0
Rear defogger switch OFF
Battery voltage
Unit
Terminal NO.
Power source
Fuse NO.
BCM
105
BAT power supply
#3
68
IGN power supply
#1
GW-66
REAR WINDOW DEFOGGER
2.
POWER SUPPLY CIRCUIT INSPECTION (BCM)
1.
Turn ignition switch OFF.
2.
Disconnect the BCM connector M4, check voltage between connector terminal (refer to the Chart below)
of the harness connector and ground.
OK or NG?
OK
>> GO TO 3.
NG
>> Check harness for open and short between BCM and fuse.
3.
GROUND CIRCUIT INSPECTION (BCM)
Check continuity between BCM connector M4 terminals and ground.
OK or NG?
OK
>> System is OK.
NG
>> Repair or replace harness.
CONSULT-II Function
EIS003SX
CONSULT-II BASIC OPERATION PROCEDURE
1.
Turn ignition switch “OFF”.
2.
Connect “CONSULT-II” and CONSULT-II CONVERTER to data
link connector.
Terminals
Power source
Condition
Voltage [V]
(Approx.)
(+)
(–)
Connector
Terminal
(Wire color)
M4
105(Y/L)
Ground
BAT
power supply
Ignition
switch OFF
Battery
voltage
68(W/B)
Ground
IGN
power supply
Ignition
switch ON
Battery
voltage
PIIA0206E
56 (B) – Ground
:Continuity should exist.
113 (B) – Ground
:Continuity should exist.
PIIA0170E
PBIB1069E
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