Infiniti FX35 / FX45. Manual — part 930
SE-78
< SERVICE INFORMATION >
AUTOMATIC DRIVE POSITIONER
4.
CHECK HARNESS CONTINUITY
1.
Disconnect key switch connector and BCM connector.
2.
Check continuity between key switch connector M23 terminal 1
and BCM connector M3 terminal 37.
3.
Check continuity between key switch connector M23 terminal 1
and ground.
OK or NG
OK
>> Key switch circuit is OK.
NG
>> Repair or replace harness between key switch and
BCM.
Check Seat Memory Switch Circuit
INFOID:0000000001328141
1.
CHECK FUNCTION
With CONSULT-III
With “SET SW, MEMORY SW1, MEMORY SW2” on the DATA MONITOR, operate the switch to check ON/
OFF operation.
OK or NG
OK
>> Seat memory switch circuit is OK.
NG
>> GO TO 2.
2.
CHECK SEAT MEMORY SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect seat memory switch connector.
3.
Check continuity between seat memory switch connector D22 terminal 1, 2, 3 and 4.
OK or NG
OK
>> GO TO 3.
NG
>> Replace seat memory switch.
3.
CHECK HARNESS CONTINUITY
1.
Disconnect driver seat control unit connector.
1 (B/W) – 37 (B/W)
: Continuity should exist.
1 (B/W) – Ground
: Continuity should not exist.
PIIA5094E
Monitor item
[OPERATION or UNIT]
Contents
MEMORY SW1
“ON/OFF”
ON/OFF status judged from the seat memory
switch 1 signal is displayed.
MEMORY SW2
“ON/OFF”
ON/OFF status judged from the seat memory
switch 2 signal is displayed.
SET SW
“ON/OFF”
ON/OFF status judged from the setting switch
signal is displayed.
Connec-
tor
Terminals
Condition
Continuity
D22
1
4
Memory switch 1: ON
Yes
Memory switch 1: OFF
No
2
Memory switch 2: ON
Yes
Memory switch 2: OFF
No
3
Set switch: ON
Yes
Set switch: OFF
No
PIIA4575E
AUTOMATIC DRIVE POSITIONER
SE-79
< SERVICE INFORMATION >
C
D
E
F
G
H
J
K
L
M
A
B
SE
N
O
P
2.
Check continuity between driver seat control unit connector
B152 terminals 22, 34, 35 and seat memory switch connector
D22 terminals 1, 2, 3.
3.
Check continuity between driver seat control unit connector
B152 terminals 22, 34, 35 and ground.
OK or NG
OK
>> GO TO 4.
NG
>> Repair or replace harness between driver seat control unit and seat memory switch.
4.
CHECK SEAT MEMORY SWITCH GROUND CIRCUIT
Check continuity between seat memory switch connector D22 termi-
nal 4 and ground.
OK or NG
OK
>> Replace driver seat control unit.
NG
>> Repair or replace harness between seat memory switch
and ground.
Check Seat Memory Indicator Lamp Circuit
INFOID:0000000001328142
1.
CHECK FUNCTION
With CONSULT-III
With “MEMORY SW INDCTR” in ACTIVE TEST, check operation.
OK or NG
OK
>> Seat memory indicator lamp circuit is OK.
NG
>> GO TO 2.
2.
CHECK SEAT MEMORY SWITCH POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect seat memory switch connector.
22 (R/B) – 1 (P)
: Continuity should exist.
34 (L/W) – 3 (GY)
: Continuity should exist.
35 (L/B) – 2 (LG)
: Continuity should exist.
22 (R/B) – Ground
: Continuity should not exist.
34 (L/W) – Ground
: Continuity should not exist.
35 (L/B) – Ground
: Continuity should not exist.
PIIB8598E
4 (B) – Ground
: Continuity should exist.
PIIA4821E
Test item
Description
MEMORY SW
INDCTR
The memory switch indicator is lit by receiving the drive signal.
SE-80
< SERVICE INFORMATION >
AUTOMATIC DRIVE POSITIONER
3.
Check voltage between seat memory switch connector D22 ter-
minal 5 and ground.
OK or NG
OK
>> GO TO 4.
NG
>> Repair or replace harness between fuse block (J/B) and
seat memory switch.
3.
CHECK HARNESS CONTINUITY
1.
Disconnect driver seat control unit connector.
2.
Check continuity between driver seat control unit connector
B152 terminals 23, 36 and seat memory switch connector D22
terminals 6, 7.
3.
Check continuity between driver seat control unit connector
B152 terminals 23, 36 and ground.
OK or NG
OK
>> GO TO 5.
NG
>> Repair or replace harness between driver seat control unit and seat memory switch.
4.
CHECK SEAT MEMORY SWITCH INDICATOR SIGNAL
Check voltage between driver seat control unit connector B152 ter-
minals 23, 36 and ground.
OK or NG
OK
>> Seat memory indicator lamp circuit is OK.
NG
>> Replace seat memory switch.
Check UART Communication Line Circuit
INFOID:0000000001328143
1.
CHECK UART LINE HERNESS
1.
Turn ignition switch OFF.
2.
Disconnect driver seat control unit connector and automatic drive positioner control unit connector.
5 (R) – Ground
: Battery voltage
PIIA4595E
23 (Y/W) – 6 (PU)
: Continuity should exist.
36 (Y/G) – 7 (L)
: Continuity should exist.
23 (Y/W) – Ground
: Continuity should not exist.
36 (Y/G) – Ground
: Continuity should not exist.
PIIB8599E
23 (Y/W) – Ground
: Battery voltage
36 (Y/G) – Ground
: Battery voltage
PIIA5078E
AUTOMATIC DRIVE POSITIONER
SE-81
< SERVICE INFORMATION >
C
D
E
F
G
H
J
K
L
M
A
B
SE
N
O
P
3.
Check continuity between driver seat control unit connector
B152 terminal 2, 8 and automatic drive positioner connector
M49 terminal 10, 26.
4.
Check continuity between driver seat control unit connector
B152 terminal 2, 8 and ground.
OK or NG
OK
>> GO TO 2.
NG
>> Repair or replace harness between driver seat control unit and automatic drive positioner control
unit.
2.
CHECK UART LINE SIGNAL 1
1.
Turn ignition switch ON.
2.
Check signal between driver seat control unit connector ground, with oscilloscope.
OK or NG
OK
>> GO TO 3.
NG
>>
Check the flowing.
• When voltage signal dose not appear with a constant voltage (approx. 5V), replace driver seat
control unit.
• When voltage signal dose not appear with a constant voltage (approx. 0V), replace automatic
drive positioner control unit.
3.
CHECK UART LINE SIGNAL 2
Check signal between automatic driver positioner control unit connector ground, with oscilloscope.
OK or NG
OK
>> GO TO 4.
NG
>>
Check the flowing.
2 (P)
−
26 (W)
: Continuity should exist.
8 (G/Y)
−
10 (B)
: Continuity should exist.
2 (P)
−
Ground
: Continuity should not exist.
8 (G/Y)
−
Ground
: Continuity should not exist.
PIIA5099E
Connector
Terminals
(Wire color)
Condition
Signal
(Reference value)
(+)
(–)
B152
2 (P)
Ground
Seat mem-
ory switch
1 or 2 op-
eration
PIIA5097E
PIIA4814E
Connector
Terminals
(Wire color)
Condition
Signal
(Reference value)
(+)
(–)
M49
10 (B)
Ground
Seat mem-
ory switch
1 or 2 op-
eration
PIIA5098E
PIIA4813E
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