Infiniti Q45. Manual — part 624
REVERSE INTERLOCK DOOR MIRROR SYSTEM
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Terminals and Reference Values for Driver Side Door Mirror Control Unit
(LCU03) and Passenger Side Door Mirror Control Unit (LCU04)
NIS000ZZ
(): Passenger side door mirror control unit.
Terminals and Reference Values for BCM
NIS00100
Termi-
nal
Wire
color
Signal name
Signal
input/
output
Measuring condition
Voltage [V]
(Approx.)
Ignition
switch
Operation or condition
1
W/L
Mirror sensor power supply
Output
ON
—
5
2
Y
Mirror sensor ground
—
ON
—
0
3
GY/R
(R)
Mirror motor UP signal
Output
ON
When motor is activated (UP)
Battery voltage
When motor is not activated
0
4
BR
Mirror motor LH signal
Output
ON
When motor is activated (LH)
Battery voltage
When motor is not activated
0
5
L/Y
Mirror sensor UP/ DOWN sig-
nal
Input
ON
When motor is activated
(UP or DOWN)
Changes between
4 (close to perk) –
0.5 (close to valley)
6
G
Mirror sensor LH / RH signal
Input
ON
When motor is activated
(LH or RH)
Changes between
4 (close to right edge)
–
0.5 (close to left edge)
7
R/B
Data line A-2 (passenger side)
or A-3 (driver side)
—
ON
—
—
8
L
Power source (Fuse)
Input
OFF
—
Battery voltage
9
PU/W
(OR)
Mirror motor DOWN signal
Output
ON
When motor is activated (DOWN)
Battery voltage
When motor is not activated
0
Mirror motor RH signal
Output
ON
When motor is activated (RH)
Battery voltage
When motor is not activated
0
10
B
Ground
—
ON
—
0
Termi-
nal
Wire
color
Signal name
Signal
input/
output
Measuring condition
Voltage
[V]
(Approx.)
Ignition
switch
Operation or condition
21
GY
Door mirror LH / RH switching
signal – RH
Input
ON
Set the door mirror remote control switch to
right position.
0
Other than above
5
24
B/OR
Door mirror LH / RH switching
signal – LH
Input
ON
Set the door mirror remote control switch to
left position.
0
Other than above
5
25
G/R
Door mirror remote control
switch signal – LH operation
Input
ON
Set the either LH/RH door mirror face to left.
0
Other than above
5
29
LG/R
Door mirror remote control
switch signal – RH operation
Input
ON
Set the either LH/RH door mirror face to right.
0
Other than above
5
32
L/B
Door mirror remote control
switch signal – Upward
Input
ON
Set the either LH/RH door mirror face upward.
0
Other than above
5
34
P/L
Door mirror remote control
switch signal – Downward
Input
ON
Set the either LH/RH door mirror face down-
ward.
0
Other than above
5
39
G
Memory switch1 signal
Input
ON
Memory switch1 (ON)
0
Memory switch1 (OFF)
5
GW-90
REVERSE INTERLOCK DOOR MIRROR SYSTEM
43
OR
Memory switch2 signal
Input
ON
Memory switch2 (ON)
0
Memory switch2 (OFF)
5
50
R/Y
Set switch signal
Input
ON
Set switch (ON)
0
Set switch (OFF)
5
56
B
Ground
—
ON
—
0
61
R/B
Data line A – 2
—
—
—
—
67
G/W
Data line A – 3
—
—
—
—
105
Y/L
Power source (Fuse)
Input
OFF
—
Battery
voltage
113
B
Ground
—
ON
—
0
141
R/B
R position signal
Input
ON
When the selector lever is in R position
Battery
voltage
When the selector lever is not in R position
0
Termi-
nal
Wire
color
Signal name
Signal
input/
output
Measuring condition
Voltage
[V]
(Approx.)
Ignition
switch
Operation or condition
REVERSE INTERLOCK DOOR MIRROR SYSTEM
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Work Flow
NIS00101
1.
Check the symptom and customer's requests.
2.
Understand the system description. Refer to
.
3.
Carry out the preliminary check. Refer to
4.
Carry out the communication inspection.
If CONSULT-II is used, refer to
GW-94, "IVMS COMMUNICATION INSPECTION"
.
If CONSULT-II is not used, refer to
GW-101, "COMMUNICATION DIAGNOSIS"
Is the communication diagnosis result OK?
If OK, GO TO 7.
If NG, GO TO 5.
5.
Repair or replace depending on the diagnosis result.
6.
Carry out the communication diagnosis again.
If CONSULT-II is used, refer to
GW-94, "IVMS COMMUNICATION INSPECTION"
If CONSULT-II is not used, refer to
GW-101, "COMMUNICATION DIAGNOSIS"
Is communication diagnosis result OK?
If OK, GO TO 7.
If NG, GO TO 5.
7.
Perform self-diagnosis.
If CONSULT-II is used, refer to
GW-93, "CONSULT-II BASIC OPERATION PROCEDURE"
If CONSULT-II is not used, refer to
SE-50, "ON BOARD DIAGNOSIS FOR AUTOMATIC DRIVE POSI-
.
Is self-diagnosis result OK?
If OK, GO TO 11.
If NG, GO TO 8.
8.
Repair or replace depending on the diagnosis result.
9.
Carry out the self-diagnosis again.
If CONSULT-II is used, refer to
GW-93, "CONSULT-II BASIC OPERATION PROCEDURE"
If CONSULT-II is not used,
refer to
SE-50, "ON BOARD DIAGNOSIS FOR AUTOMATIC DRIVE POSITIONER"
Is self-diagnosis result OK?
If OK, GO TO 11.
If NG, GO TO 8.
10. Referring to Trouble diagnosis chart, repair or replace the cause of the malfunction. Refer to
11. Does the Reverse Interlock Door Mirror System operate normally?
If it operates normally, GO TO 12.
If not, GO TO 10.
12. Inspection end
Preliminary Check
NIS00102
POWER SUPPLY AND GROUND CIRCUIT INSPECTION
1.
CHECK FUSE.
Check that any of the following fuses in BCM and door mirror control unit are blown.
NOTE:
Refer to
GW-83, "Component Parts and Harness Connector Location"
OK or NG
OK
>> GO TO 2
NG
>> If fuse is blown, make sure to eliminate cause of problem before installing new fuse.Refer to
Unit
Terminal No.
Power source
Fuse No.
BCM
105
Battery power supply
3
Door Mirror Control Unit
(Driver side & Passenger side)
8
Battery power supply
8
GW-92
REVERSE INTERLOCK DOOR MIRROR SYSTEM
2.
POWER SUPPLY CIRCUIT INSPECTION(BCM)
1.
Turn ignition switch OFF.
2.
Disconnect BCM connector.
3.
Check voltage between BCM connector M4 terminal 105 and
ground.
OK or NG
OK
>> GO TO 3
NG
>> Repair or replace harness.
3.
GROUND CIRCUIT INSPECTION(BCM)
●
Check continuity between BCM connector M4 terminal 56, 113
and ground.
OK or NG
OK
>> GO TO 4
NG
>> Repair or replace harness.
4.
POWER SUPPLY CIRCUIT INSPECTION (DOOR MIRROR CONTROL UNIT)
1.
Disconnect door mirror control unit connector.
2.
Check voltage between door mirror control unit connector D5
(driver side), D35 (passenger side) terminal 8 and ground.
OK or NG
OK
>> GO TO 5
NG
>> Repair or replace harness.
5.
GROUND CIRCUIT INSPECTION (DOOR MIRROR CONTROL UNIT)
●
Check continuity between door mirror control unit connector D5
(driver side), D35 (passenger side) terminal 10 and ground.
OK or NG
OK
>> Preliminary check is OK.
NG
>> Repair or replace harness.
105 (Y/L) – Ground
:Battery voltage
PIIA4607E
56 (B) – Ground
:Continuity should exist.
113 (B) – Ground
:Continuity should exist.
PIIA0170E
8 (L) – Ground
:Battery voltage
PIIB1983E
10 (B) – Ground
:Continuity should exist.
PIIB1984E
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