Infiniti Q45. Manual — part 618
REAR WINDOW DEFOGGER
GW-65
C
D
E
F
G
H
J
K
L
M
A
B
GW
TIWM1393E
GW-66
REAR WINDOW DEFOGGER
TIWM1561E
REAR WINDOW DEFOGGER
GW-67
C
D
E
F
G
H
J
K
L
M
A
B
GW
Terminals and Reference Value for BCM
NIS000ZI
Work Flow
NIS000ZJ
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
NIS000ZK
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-61, "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
Signal name
Signal
input/
output
CONDITION
VOLTAGE [V]
(Approx.)
Ignition
switch
Operation or condition
10
BR
Rear defogger switch signal
Input
ON
Rear defogger switch ON
(With the switch pressed)
0
Rear defogger switch OFF
5
56
B
Ground
–
ON
–
0
68
W/B
Ignition switch (ON)
Input
ON
Ignition switch (ON or
START position)
Battery voltage
105
Y/L
Power source (Fuse)
Input
OFF
–
Battery voltage
113
B
Ground
–
ON
–
0
144
G/W
Rear window defogger and door
mirror defogger relay control sig-
nal
Output
ON
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-68
REAR WINDOW DEFOGGER
2.
POWER SUPPLY CIRCUIT INSPECTION (BCM)
1.
Turn ignition switch OFF.
2.
Disconnect the BCM connector.
3.
Check voltage between BCM connector and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace harness between BCM and fuse.
3.
GROUND CIRCUIT INSPECTION (BCM)
Check continuity between BCM connector M4 terminals 56, 113 and
ground.
OK or NG
OK
>> Power supply and ground circuit are OK.
NG
>> Repair or replace harness.
CONSULT-II Function
NIS000ZL
CONSULT-II BASIC OPERATION PROCEDURE
1.
Turn ignition switch “OFF”.
2.
Connect “CONSULT-II” and “CONSULT-II CONVERTER” to
data link connector.
3.
Turn ignition switch “ON”.
4.
Touch “START(NISSAN BASED VHCL)”.
Terminals
Condition of
ignition switch
Voltage [V]
(Approx.)
(+)
(–)
Connector
Terminal
(Wire color)
M4
105(Y/L)
Ground
OFF
Battery
voltage
68(W/B)
ON
PIIA0206E
56 (B) – Ground
:Continuity should exist.
113 (B) – Ground
:Continuity should exist.
PIIA0170E
PBIB1069E
BCIA0029E
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