Infiniti F50. Manual — part 773
AUTOMATIC DRIVE POSITIONER
SE-83
C
D
E
F
G
H
J
K
L
M
A
B
SE
3.
CHECK HARNESS CONTINUITY
1.
Disconnect driver seat control unit connector and power seat switch (driver side) connector.
2.
Check continuity between driver seat control unit connector
B143 terminals 19 (L/R), 25 (OR/B) and driver seat switch con-
nector B144 terminals 19 (L/R), 25 (OR/B).
3.
Check continuity between driver seat control unit connector
B143 terminals 19 (L/R), 25 (OR/B) and ground
OK or NG
OK
>> GO TO 4.
NG
>> Repair or replace harness between driver seat control unit and power seat switch (driver side).
4.
CHECK FRONT END LIFTING SWITCH
Check continuity between driver seat control unit.
OK or NG
OK
>> GO TO 5.
NG
>> Replace power seat switch (driver side).
5.
CHECK POWER SEAT SWITCH GROUND CIRCUIT
●
Check continuity between power seat switch connector B144
terminal 15 (B) and ground.
OK or NG
OK
>> Check the condition of the harness and connector.
NG
>> Repair or replace harness between power seat switch (driver side) and ground.
19 (L/R) – 19 (L/R)
: Continuity should exist.
25 (OR/B) – 25 (OR/B)
: Continuity should exist.
19 (L/R) – Ground
: Continuity should not exist.
25 (OR/B) – Ground
: Continuity should not exist.
PIIA4354E
Connector
Terminals
Condition
Continuity
(+)
(–)
B144
19
15
Front lifting switch ON (UP
operation).
Yes
Front lifting switch OFF.
No
25
Front lifting switch ON
(DOWN operation).
Yes
Front lifting switch OFF.
No
PIIA4382E
15 (B) – Ground:
: Continuity should exist.
PIIA3375E
SE-84
AUTOMATIC DRIVE POSITIONER
Rear Lifting Switch Circuit Inspection
EIS00427
1.
CHECK FUNCTION
With CONSULT-II
With "LIFT RR SW-UP, LIFT RR SW-DN" on the DATA MONITOR,
operate the rear lifting switch to check ON/OFF operation.
Without CONSULT-II
Carry out "SWITCH MONITOR" in the self-diagnosis function, and operate the rear lifting switch to check.
Refer to
OK or NG
OK
>> Replace the driver seat control unit.
NG
>> GO TO 2.
2.
CHECK REAR LIFTING SWITCH INPUT/OUTPUT
1.
Turn ignition switch turn OFF.
2.
Check voltage between driver seat control unit connector and
ground.
OK or NG
OK
>> System is OK.
NG
>> GO TO 3.
Monitor item [OPERATION or
UNIT]
Contents
LIFT RR SW–UP
"ON/OFF"
Operation (ON)/open (OFF) status judged
from the RR lifter switch (UP) signal is dis-
played.
LIFT RR SW–DN
"ON/OFF"
Operation (ON)/open (OFF) status judged
from the RR lifter switch (DOWN) signal is
displayed.
PIIA0323E
Connector
Terminals
(Wire color)
Condition
Voltage (V)
(Approx.)
(+)
(–)
B143
26 (P/B)
Ground
Rear lifting switch ON(UP
operation).
0
Rear lifting switch OFF.
5
27 (B/Y)
Rear lifting switch ON
(DOWN operation).
0
Rear lifting switch OFF.
5
PIIA3303E
AUTOMATIC DRIVE POSITIONER
SE-85
C
D
E
F
G
H
J
K
L
M
A
B
SE
3.
CHECK HARNESS CONTINUITY
1.
Disconnect driver seat control unit connector and driver power seat switch connector.
2.
Check continuity between driver seat control unit connector
B143 terminals 26 (P/B), 27 (B/Y) and power seat switch (driver
side) connector B144 terminals 26 (P/B), 27 (B/Y).
3.
Check continuity between driver seat control unit connector
B143 terminals 26 (P/B), 27 (B/Y) and ground.
OK or NG
OK
>> GO TO 4.
NG
>> Repair or replace harness between driver seat control unit and driver power seat switch (driver
side).
4.
CHECK REAR LIFTING SWITCH
Check continuity between driver seat control unit.
OK or NG
OK
>> GO TO 5.
NG
>> Replace power seat switch (driver side).
5.
CHECK POWER SEAT SWITCH GROUND CIRCUIT
Check continuity between power seat switch connector B144 termi-
nal 15 (B) and ground.
OK or NG
OK
>> Check the condition of the harness and connector.
NG
>> Repair or replace harness between power seat switch (driver side) and ground.
26 (P/B) – 26 (P/B)
: Continuity should exist.
27 (B/Y) – 27 (P/Y)
: Continuity should exist.
26 (P/B) – Ground
: Continuity should not exist.
27 (B/Y) – Ground
: Continuity should not exist.
PIIA4352E
Connector
Terminals
(Wire color)
Condition
Continuity
(+)
(–)
B144
26
15
Rear lifting switch ON(UP
operation).
Yes
Rear lifting switch OFF.
No
27
Rear lifting switch ON
(DOWN operation).
Yes
Rear lifting switch OFF.
No
PIIA4383E
15 (B) – Ground
: Continuity should exist.
PIIA3375E
SE-86
AUTOMATIC DRIVE POSITIONER
Steering Wheel Telescopic Switch Inspection
EIS00428
1.
CHECK FUNCTION
With CONSULT-II
With "TELESCO SW–FR, TELESCO SWRR"RR" on the DATA
MONITOR, operate the ADP steering switch to check ON/OFF oper-
ation.
Without CONSULT-II
Carry out "SWITCH MONITOR" in the self-diagnosis function, and operate the ADP steering switch to check.
Refer to
OK or NG
OK
>> System is OK.
NG
>> GO TO 2.
2.
CHECK TELESCOPIC SWITCH INPUT/OUTPUT
1.
Turn ignition switch OFF.
2.
Check voltage between BCM connector and ground.
OK or NG
OK
>> System is OK.
NG
>> GO TO 3.
Monitor item [OPERATION or
UNIT]
Contents
TELESCO SW–FR
"ON/OFF"
Operation (ON)/open (OFF) status
judged from the telescoping switch (FR)
signal is displayed.
TELESCO SW–RR
"ON/OFF"
Operation (ON)/open (OFF) status
judged from the telescoping switch (RR)
signal is displayed.
PIIA0315E
Connector
Terminals
(Wire color)
Condition
Voltage (V)
(Approx.)
(+)
(–)
M4
22 (R)
Ground
Telescopic switch ON
(forward operation).
0
Telescopic switch OFF.
5
26 (GY/R)
Telescopic switch ON
(backward operation).
0
Telescopic switch OFF.
5
PIIA3305E
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