Infiniti G37 Coupe. Manual — part 15
ADP-54
< COMPONENT DIAGNOSIS >
B2119 TELESCOPIC SENSOR
B2119 TELESCOPIC SENSOR
Description
INFOID:0000000001693662
• The telescopic sensor is installed on 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:0000000001693663
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
STEP 1
Turn ignition switch ON.
>> GO TO 2.
2.
STEP 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:0000000001693664
1.
CHECK TELESCOPIC SENSOR SIGNAL
1.
Turn ignition switch ON.
2.
Select “TELESCO SEN” in “Data Monitor” mode with CONSULT-III.
3.
Check the telescopic sensor signal under the following condition.
Is the valve normal?
YES
>> GO TO 7.
NO
>> GO TO 2.
2.
CHECK TELESCOPIC SENSOR CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect automatic drive positioner control unit connector and tilt & telescopic sensor connector.
3.
Check continuity between automatic drive positioner control unit harness connector and tilt & telescopic
sensor harness connector.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2119
TELESCOPIC SEN-
SOR
The input voltage of telescopic sensor is 0.1 V or
less or 4.9 V or more.
• Harness and connectors
(Telescopic sensor circuit is
opened/shorted, telescopic sen-
sor power supply circuit is
opened/shorted.)
• Telescopic sensor
• Automatic drive positioner con-
trol unit
Monitor item
Condition
Value
TELESCO SEN
Telescopic position
Change between
0.8 V (close to top)
3.4 V (close to bottom)
B2119 TELESCOPIC SENSOR
ADP-55
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
K
L
M
A
B
ADP
N
O
P
4.
Check continuity between automatic drive positioner control unit harness connector and ground.
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
>> GO TO 6.
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
>> GO TO 6.
Automatic drive positioner
control unit connector
Terminal
Tilt & telescopic sensor
connector
Terminal
Continuity
M51
23
M48
2
Existed
Automatic drive positioner
control unit connector
Terminal
Ground
Continuity
M51
23
Not existed
Terminals
Voltage (V)
(Approx.)
(+)
(–)
Tilt & telescopic sensor
Terminal
M48
2
Ground
5
Automatic drive positioner
control unit connector
Terminal
Tilt & telescopic sensor
connector
Terminal
Continuity
M52
33
M48
1
Existed
Automatic drive positioner
control unit connector
Terminal
Ground
Continuity
M52
33
Not existed
Automatic drive positioner
control unit connector
Terminal
Tilt & telescopic sensor
connector
Terminal
Continuity
M52
41
M48
4
Existed
ADP-56
< COMPONENT DIAGNOSIS >
B2119 TELESCOPIC SENSOR
NO
>> Repair or replace harness.
6.
CHECK DOOR MIRROR OPERATION
1.
Connect automatic drive positioner control unit connector and tilt & telescopic sensor connector.
2.
Turn ignition switch ON
3.
Check door mirror operation with memory function.
Is the operation normal?
YES
>> Replace tilt & telescopic sensor. (Built in steering column assembly.)
NO
>> Replace automatic drive positioner control unit.
7.
CHECK INTERMITTENT INCIDENT
GI-38, "Intermittent Incident"
Is the inspection result normal?
YES
>> Replace automatic drive positioner control unit.
NO
>> Repair or replace the malfunctioning part.
B2126 DETENT SW
ADP-57
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
K
L
M
A
B
ADP
N
O
P
B2126 DETENT SW
Description
INFOID:0000000001693665
• Detention switch is installed on A/T device. It is turned OFF when the A/T selector lever is in P position.
• The driver seat control unit judges that the A/T selector lever is in P position if continuity does not exist in this
circuit.
DTC Logic
INFOID:0000000001693666
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
STEP 1
Drive the vehicle at 7 km/h (4 MPH) or more.
>> GO TO 2.
2.
STEP 2
Check “Self Diagnostic Result” with CONSULT-III.
Is the DTC detected?
YES
>> Perform diagnosis procedure. Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000001693667
1.
CHECK DTC WITH “BCM”
Check “Self Diagnostic Result” for BCM with CONSULT-lll.
Is the either DTC B2602, B2603, B2604, B2605 or B2606 detected?
YES
>> Check the DTC. Refer to
NO
>> GO TO 2.
2.
CHECK DETENTION SWITCH SIGNAL
1.
Turn ignition switch ON.
2.
Select “DETENT SW” in “Data Monitor” mode with CONSULT-lll.
3.
Check detention switch signal under the following condition.
Is the status normal?
YES
>> GO TO 4.
NO
>> GO TO 3.
3.
CHECK DETENTION SWITCH CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect driver seat control unit connector and A/T device connector.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2126
DETENT SW
A/T selector lever is in P position and the vehicle
speed of 7 km/h (4 MPH) or more is detected.
• Harness and connectors
(Detention switch circuit is
opened/shorted.)
• Detention switch
• Combination meter
(CAN communication)
• Driver seat control unit
Monitor item
Condition
Status
DETENT SW
A/T selector lever
P position
OFF
Other than above
ON
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