Infiniti Q45. Manual — part 612
POWER WINDOW SYSTEM
GW-41
C
D
E
F
G
H
J
K
L
M
A
B
GW
5.
CHECK ENCODER CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect rear door control unit LH or RH and rear power window motor LH or RH connector.
3.
Check continuity between rear door control unit LH or RH con-
nector D58(LH) or D78(RH) terminal 19 and rear power window
motor LH or RH connector D57(LH) or D77(RH) terminal 5.
OK or NG
OK
>> Replace rear power window motor LH or RH.
NG
>> Repair or replace harness.
Check Driver Door Control Unit Circuit
NIS000Z2
1.
POWER SUPPLY CIRCUIT CHECK
1.
Turn ignition switch OFF.
2.
Disconnect driver door control unit (LCU01) connector.
3.
Check voltage between driver door control unit (LCU01) connec-
tor D8 terminal 14 and ground.
OK or NG
OK
>> GO TO 2.
NG
>> Check the following.
●
40A fusible link (letter H , located in the fuse and fus-
ible link box).
●
Harness for open or short between driver door control
unit (LCU01) and fuse.
2.
GROUND CIRCUIT CHECK
Check continuity between driver door control unit (LCU01) connector
D8 terminal 15 and ground.
OK or NG
OK
>> Driver door control unit circuit is OK.
NG
>> Repair or replace harness.
19 (G) – 5 (G)
:Continuity should exist.
PIIB0170E
14 (Y/G) – Ground
:Battery voltage
PIIA2703E
15 (B) – Ground
:Continuity should exist.
PIIA2704E
GW-42
POWER WINDOW SYSTEM
Check Passenger Door Control Unit Circuit
NIS000Z3
1.
POWER SUPPLY CIRCUIT CHECK
1.
Turn ignition switch OFF.
2.
Disconnect passenger door control unit connector.
3.
Check voltage between passenger door control unit connector
D39 terminal 6 and ground.
OK or NG
OK
>> GO TO 2.
NG
>> Check the following.
●
40A fusible link (letter H , located in fuse and fusible
link box).
●
Harness for open or short between passenger door
control unit and fuse.
2.
GROUND CIRCUIT CHECK
Check continuity between passenger door control unit connector
D39 terminal 7 and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace harness.
3.
COMMUNICATION CIRCUIT CHECK
1.
Disconnect driver door control unit connector.
2.
Check continuity between driver door control unit connector D8
terminal 5 and passenger door control unit connector D38 termi-
nal 11.
OK or NG
OK
>> Passenger door control unit circuit is OK.
NG
>> Repair or replace harness.
6 (W/R) – Ground
:Battery voltage
PIIA3433E
7 (B) – Ground
:Continuity should exist.
PIIA3434E
5 (G/OR) – 11 (G/OR)
:Continuity should exist.
PIIA2977E
POWER WINDOW SYSTEM
GW-43
C
D
E
F
G
H
J
K
L
M
A
B
GW
Check Rear Door Control Unit Circuit
NIS000Z4
1.
POWER SUPPLY CIRCUIT CHECK
1.
Turn ignition switch OFF.
2.
Disconnect rear door control unit LH or RH connector.
3.
Check voltage between rear door control unit LH or RH connec-
tor D59(LH) or D79(RH) terminal 6 and ground.
OK or NG
OK
>> GO TO 2.
NG
>> Check the following.
●
40A fusible link (letter H , located in fuse and fusible
link box).
●
Harness for open or short between rear door control
unit LH or RH and fuse.
2.
GROUND CIRCUIT CHECK
Check continuity between passenger door control unit LH or RH con-
nector D59(LH) or D79(RH) terminal 7 and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace harness.
3.
COMMUNICATION CIRCUIT CHECK
1.
Disconnect driver door control unit connector.
2.
Check continuity between driver door control unit connector D8
terminal 5 and rear door control unit LH or RH connector D58
(LH), D78 (RH) terminal 11.
OK or NG
OK
>> Rear door control unit circuit is OK.
NG
>> Repair or replace harness.
6 (Y/B) – Ground
:Battery voltage
PIIA3435E
7 (B) – Ground
:Continuity should exist.
PIIA3436E
5 (G/OR) – 11 (G/OR)
:Continuity should exist.
PIIA2977E
GW-44
POWER WINDOW SYSTEM
Check Door Switch
NIS000Z5
1.
CHECK DOOR SWITCH INPUT SIGNAL
With CONSULT-II
●
Check door switch in “DATE MONITOR” mode with CONSULT-
II. Refer to
Without CONSULT-II
●
Check all door switches in switch monitor mode.
Refer to Remote keyless entry system
OK or NG
OK
>> Door switch is OK.
NG
>> GO TO 2.
2.
CHECK DOOR SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect door switch connector.
3.
Check continuity between following terminals and ground.
OK or NG
OK
>> Repair or replace following item, when there is a mal-
function.
●
Door switch ground condition
●
Harness for open or short between door switch and BCM
NG
>> Replace door switch.
When door is opened
: DOOR SW ON
When door is closed
: DOOR SW OFF
PIIA2464E
Connector
Terminals
(Wire color)
Condition
Continuity
Front door switch
(driver side)
B20
1 (W/R)
Ground
Pressed
No
Repressed
Yes
Front door switch
(passenger side)
B220
1 (W/G)
Pressed
No
Repressed
Yes
PIIB1981E
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