Infiniti F50. Manual — part 769
AUTOMATIC DRIVE POSITIONER
SE-67
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Rear Lifting Sensor Circuit Inspection
EIS0041W
1.
CHECK REAR LIFTING SENSOR INPUT/OUTPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Check signal between driver seat control unit connector ground
with oscilloscope.
OK or NG
OK
>> System is OK.
NG
>> GO TO 2.
2.
CHECK REAR LIFTING SENSOR MECHANISM
Check the operation malfunction caused by lifter mechanism deformation or parts are loose.
OK or NG
OK
>> GO TO 3.
NG
>> Repair the malfunctioning part and check again.
3.
CHECK HARNESS CONTINUITY
1.
Disconnect driver seat control unit connector and rear lifting motor connector.
2.
Check continuity between driver seat control unit connector
B143 terminals 31 (W/R), 32 (R/W) and rear lifting motor con-
nector B149 terminals 31 (W/R), 32C (R/W).
3.
Check continuity between driver seat control unit connector
B143 terminals 31 (W/R), 32 (R/W) and ground.
OK or NG
OK
>> Replace rear lifting motor.
NG
>> Repair or replace harness between driver seat control unit and rear lifting motor.
Connector
Terminals
(Wire color)
Condition
Signal
(+)
(–)
B143
31 (W/R)
Ground
Rear lift-
ing motor
operation
PIIA4146E
SIIA0693J
31 (W/R) – 31 (W/R)
: Continuity should exist.
32 (R/W) – 32C (R/W)
: Continuity should exist.
31 (W/R) – Ground
:Continuity should not exist.
32 (R/W) – Ground
:Continuity should not exist.
PIIA4142E
SE-68
AUTOMATIC DRIVE POSITIONER
Detention Switch Circuit Inspection
EIS0041X
1.
CHECK FUNCTION
With CONSULT-II
Check that when the A/T selector lever is in P-position, "DETENT
SW" on the DATA MONITOR becomes ON.
Without CONSULT-II
Carry out "SWITCH MONITOR" in the self-diagnosis function, and operate the A/T selector lever to check.
Refer to
OK or NG
OK
>> System is OK.
NG
>> GO TO 2.
2.
CHECK DETENTION SWITCH POWER SUPPLY CIRCUIT HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect A/T device (detention switch) connector and "key switch and key lock solenoid" connector.
3.
Check continuity harness between A/T device (detention switch)
connectorM97 terminal 6 (PU/W) and key switch and key lock
solenoid connector M64 terminal 4 (PU/W).
4.
Check continuity harness between A/T device (detention switch)
connectorM97 terminal 6 (PU/W) and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace harness between A/T device (deten-
tion switch) and key switch and key lock solenoid.
3.
CHECK DETENTION SWITCH
Check continuity between A/T device (detention switch) connector.
OK or NG
OK
>> GO TO 4.
NG
>> Replace detention switch.
Monitor item
[OPERATION or UNIT]
Contents
DETENT SW
"ON/
OFF"
The selector lever position "P position (ON)/other than P
position (OFF)" judged from the detente switch signal is
displayed.
PIIA0291E
6 (PU/W) – 4 (PU/W)
: Continuity should exist.
6 (PU/W) – Ground
:Continuity should not exist.
PIIA3276E
Connector
Terminals
(Wire color)
Condition
Continuity
(+)
(–)
M97
6 (PU/W)
7 (G/OR)
P–position
Continuity should not
exist
Other than
P–position
Continuity should exist
PIIA3349E
AUTOMATIC DRIVE POSITIONER
SE-69
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4.
CHECK DETENTION SWITCH SIGNAL HARNESS
1.
Disconnect BCM connector.
2.
Check continuity between BCM connector M4 terminal 8 (G/OR) and A/T device (detention switch) con-
nector M97 terminal 7 (G/OR).
3.
Check continuity harness between BCM connector M4 terminal
8 (G/OR) and ground.
OK or NG
OK
>> Replace BCM.
NG
>> Repair or replace harness between BCM and A/T device
(detention switch).
Telescopic Sensor Circuit Inspection
EIS0041Y
1.
CHECK STEERING WHEEL TILT MECHANISM
Check the operation malfunction caused by sTeering wheel tilt mechanism deformation or parts are loose.
OK or NG
OK
>> GO TO 2.
NG
>> Repair the malfunctioning part and check again.
2.
CHECK FUNCTION
With CONSULT-II
Operate the telescopic switch with "TELESCO SEN" on the DATA
MONITOR to check that the voltage changes.
Without CONSULT-II
1.
Turn ignition switch OFF.
2.
Check voltage between BCM connector and ground.
OK or NG
OK
>> System is OK.
NG
>> GO TO 3.
8 (G/OR) – 7(G/OR)
: Continuity should exist.
8 (G/OR) – Ground
: Continuity should not exist.
PIIA3283E
Monitor item [OPERA-
TION or UNIT]
Contents
TELESCO
SEN
"V"
The telescoping position (voltage) judged from the tele-
scoping sensor signal is displayed.
PIIA0295E
Connector
Terminals
(Wire color)
Condition
Voltage (V)
(Approx.)
(+)
(–)
M4
62 (P/B)
Ground
Telescopic
top position
2
Telescopic
bottom position
4
PIIA0296E
SE-70
AUTOMATIC DRIVE POSITIONER
3.
CHECK HARNESS CONTINUITY
1.
Disconnect BCM connector and telescopic sensor connector.
2.
Check continuity harness between BCM connector M4 terminals 53 (L/W), 54 (LG/B), 62 (P/B) and tele-
scopic sensor connector M59 terminals 1 (LG/B), 2 (P/B), 3 (L/W).
3.
Check continuity harness between BCM connector M59 termi-
nals 53 (L/W), 54 (LG/B), 62 (P/B) and ground.
OK or NG
OK
>> Replace telescopic sensor.
NG
>> Repair or replace harness between BCM and telescopic sensor.
Tilt Sensor Circuit Inspection
EIS0041Z
1.
CHECK TILT STEERING MECHANISM
Check the operation malfunction caused by steering wheel tilt melanism deformation or parts are loose.
OK or NG
OK
>> GO TO 2.
NG
>> Repair the malfunctioning part and check again.
2.
CHECK FUNCTION
With CONSULT-II
With "TILT SEN" on the DATA MONITOR, operate the tilt switch to
check that the voltage changes.
Without CONSULT-II
1.
Turn ignition switch OFF.
2.
Check voltage between BCM connector and ground.
OK or NG
OK
>> System is OK.
NG
>> GO TO 3.
53 (L/W) – 3 (L/W)
: Continuity should exist.
54(LG/B) – 1 (LG/B)
: Continuity should exist.
62 (P/B) – 2 (P/B)
: Continuity should exist.
53 (L/W) – Ground
: Continuity should not exist.
54 (LG/B) – Ground
: Continuity should not exist.
62 (P/B) – Ground
: Continuity should not exist.
PIIA3284E
Monitor item [OPERA-
TION or UNIT]
Contents
TILT SEN
"V"
The tilt position (voltage) judged from the tilt sensor sig-
nal is displayed.
PIIA0295E
Connector
Terminals
(Wire color)
Condition
Voltage (V)
(Approx.)
(+)
(–)
M4
46 (P/L)
Ground
Tilt top position
2
Tilt bottom position
4
PIIA0299E
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