Infiniti FX35, FX50 (S51). Manual — part 15
ADP-52
< DTC/CIRCUIT DIAGNOSIS >
B2118 TILT SENSOR
>> INSPECTION END
B2119 TELESCOPIC SENSOR
ADP-53
< DTC/CIRCUIT DIAGNOSIS >
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B2119 TELESCOPIC SENSOR
Description
INFOID:0000000005249666
• The telescopic sensor is installed to the steering column assembly.
• The resistance of telescopic sensor is changed according to the forward/backward position of steering col-
umn.
• The terminal voltage of automatic drive positioner control unit will be changed according to a change of tele-
scopic sensor resistance. Automatic drive positioner control unit calculates the telescopic position from the
voltage.
DTC Logic
INFOID:0000000005249667
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
RERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON.
2.
Check “Self diagnostic result” with CONSULT-III.
Is the DTC is detected?
YES
>> Perform diagnosis procedure. Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000005249668
1.
CHECK TELESCOPIC SENSOR SIGNAL
1.
Turn ignition switch ON.
2.
Select “TELESCO SEN” in “Data monitor” mode with CONSULT-III.
3.
Check the tilt sensor signal under the following condition.
Is the valve normal?
YES
>> GO TO 6.
NO
>> GO TO 2.
2.
CHECK TELESCOPIC SENSOR CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect automatic drive positioner control unit and tilt & telescopic sensor connector.
3.
Check continuity between automatic drive positioner control unit harness connector and tilt & telescopic
sensor harness connector.
4.
Check continuity between automatic drive positioner control unit harness connector and ground.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2119
TELESCOPIC SEN-
SOR
The input voltage of telescopic sensor is less than
0.1V or more than 4.9V.
• Harness and connectors
(Telescopic sensor circuit is
opened/shorted, telescopic sen-
sor power supply circuit is
opened/shorted.)
• Telescopic sensor
Monitor item
Condition
Value
TELESCO SEN
Telescopic position
Change between
0.8 [V] (close to top)
3.4 [V] (close to bottom)
Automatic drive positioner control unit
Tilt & telescopic sensor
Continuity
Connector
Terminal
Connector
Terminal
M51
23
M48
2
Existed
ADP-54
< DTC/CIRCUIT DIAGNOSIS >
B2119 TELESCOPIC SENSOR
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
3.
CHECK TELESCOPIC SENSOR POWER SUPPLY
1.
Connect automatic drive positioner control unit connector.
2.
Turn ignition switch ON.
3.
Check voltage between tilt & telescopic sensor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 4.
4.
CHECK TELESCOPIC SENSOR POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect automatic drive positioner control unit connector.
3.
Check continuity between automatic drive positioner control unit harness connector and tilt & telescopic
sensor harness connector.
4.
Check continuity between automatic drive positioner control unit harness connector and ground.
Is the inspection result normal?
YES
>> Replace automatic drive positioner control unit. Refer to
ADP-215, "Removal and Installation"
NO
>> Repair or replace harness.
5.
CHECK TELESCOPIC SENSOR GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect automatic drive positioner control unit connector.
3.
Check continuity between automatic drive positioner control unit harness connector and tilt & telescopic
sensor harness connector.
Is the inspection result normal?
YES
>> Replace tilt & telescopic sensor.
NO
>> Repair or replace harness.
6.
CHECK INTERMITTENT INCIDENT
GI-36, "Intermittent Incident"
Automatic drive positioner control unit
Ground
Continuity
Connector
Terminal
M51
23
Not existed
(+)
(–)
Voltage (V)
(Approx.)
Tilt & telescopic sensor
Connector
Terminal
M48
1
Ground
5
Automatic drive positioner control unit
Tilt & telescopic sensor
Continuity
Connector
Terminal
Connector
Terminal
M52
33
M48
1
Existed
Automatic drive positioner control unit
Ground
Continuity
Connector
Terminal
M52
33
Not existed
Automatic drive positioner control unit
Tilt & telescopic sensor
Continuity
Connector
Terminal
Connector
Terminal
M52
41
M48
4
Existed
B2119 TELESCOPIC SENSOR
ADP-55
< DTC/CIRCUIT DIAGNOSIS >
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>> INSPECTION END
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