Infiniti QX56 (JA60). Manual — part 11
B2115 SEAT LIFTER RR
ADP-35
< COMPONENT DIAGNOSIS >
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B2115 SEAT LIFTER RR
Description
INFOID:0000000005147459
• The lifting motor (rear) is installed to the power seat frame assembly.
• The lifting motor (rear) is activated with the driver seat control unit.
• Tilts the seat rear up/down by changing the rotation direction of lifting motor (rear).
DTC Logic
INFOID:0000000005147460
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 detected?
YES
>> Perform diagnosis procedure. Refer to
NO
>> Inspection End.
NOTE:
First perform diagnosis for B2126 if B2126 is detected. Refer to
Diagnosis Procedure
INFOID:0000000005147461
1.
PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON.
2. Check “Self diagnostic result” with CONSULT-III.
3. Erase the DTC.
4. Perform DTC confirmation procedure. Refer to
.
Is the DTC displayed again?
YES
>> GO TO 2
NO
>> Check intermittent incident. Refer to
GI-38, "Intermittent Incident"
.
2.
CHECK COMPONENTS
ADP-87, "Component Function Check"
ADP-103, "Component Function Check"
>> Inspection End.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2115
SEAT LIFTER RR
The driver seat control unit detects the output of lift-
ing motor (rear) output terminal for 0.1 second or
more even if the lifting switch is not input.
• Driver seat control unit
ADP-36
< COMPONENT DIAGNOSIS >
B2117 ADJ PEDAL MOTOR
B2117 ADJ PEDAL MOTOR
Description
INFOID:0000000005147462
• The pedal adjusting motor is installed to the pedal assembly.
• The pedal adjusting motor is activated with the automatic drive positioner control unit.
• The pedal assembly is adjusted forward/backward by changing the rotation direction of pedal adjusting
motor.
DTC Logic
INFOID:0000000005147463
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 detected?
YES
>> Perform diagnosis procedure. Refer to
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000005147464
Regarding Wiring Diagram information, refer to
1.
CHECK PEDAL ADJUSTING MECHANISM
Check the following.
• Operation malfunction caused by pedal adjusting mechanism deformation or pinched harness or other for-
eign materials
• Operation malfunction and interference with other parts by poor installation
Is the inspection result normal?
YES
>> GO TO 2
NO
>> Repair or replace the malfunctioning part and check again.
2.
CHECK FUNCTION
1. Turn ignition switch ON.
2. Check “ADJ PEDAL MOTOR” in "Active test" mode with CONSULT-III.
Is the inspection result normal?
YES
>> Pedal adjusting motor circuit is OK.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2117
ADJ PEDAL MOTOR
When any manual or automatic operations are not
performed, if motor operation is detected for 0.1
second or more, status is judged "Output error".
• Harness and connectors
(pedal adjusting motor circuit is
opened/shorted, pedal adjusting
motor power supply circuit is
opened/shorted.)
• Pedal adjusting motor
Test item
Description
ADJ PEDAL MOTOR
The pedal adjusting motor is activated by receiving the drive signal.
B2117 ADJ PEDAL MOTOR
ADP-37
< COMPONENT DIAGNOSIS >
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ADP
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NO
>> GO TO 3
3.
CHECK PEDAL ADJUSTING MOTOR CIRCUIT HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect automatic drive positioner control unit and pedal
adjusting motor.
3. Check continuity between automatic drive positioner control unit
connector M34 (A) terminals 37, 45 and pedal adjusting motor
connector E109 (B) terminals 1, 2.
4. Check continuity between automatic drive positioner control unit
connector M34 (A) terminals 37, 45 and ground.
Is the inspection result normal?
YES
>> GO TO 4
NO
>> Repair or replace harness.
4.
CHECK AUTOMATIC DRIVE POSITIONER CONTROL UNIT OUTPUT SIGNAL
1. Connect the automatic drive positioner control unit and pedal
adjusting motor assembly.
2. Check voltage between automatic drive positioner control unit
connector and ground.
Is the inspection result normal?
YES
>> Replace pedal adjusting motor assembly. Refer to
ADP-178, "Removal and Installation"
.
NO
>> GO TO 5
5.
CHECK INTERMITTENT INCIDENT
GI-38, "Intermittent Incident"
.
Is the inspection result normal?
YES
>> Replace automatic drive positioner control unit. Refer to
ADP-175, "Removal and Installation"
.
NO
>> Repair or replace the malfunctioning part.
37 - 1
: Continuity should exist.
45 - 2
: Continuity should exist.
37 - Ground
: Continuity should not exist.
45 - Ground
: Continuity should not exist.
ALJIA0195ZZ
Connec-
tor
Terminals
Condition
Voltage (V)
(Approx.)
(+)
(-)
M34
37
Ground
Pedal adjusting switch ON
(FORWARD operation)
Battery voltage
Other than above
0
45
Pedal adjusting switch ON
(BACKWARD operation)
Battery voltage
Other than above
0
PIIA4806E
ADP-38
< COMPONENT DIAGNOSIS >
B2118 TILT SENSOR
B2118 TILT SENSOR
Description
INFOID:0000000005147465
• The tilt sensor is installed to the steering column assembly.
• The resistance of tilt sensor is changed according to the up/down position of steering column.
• The terminal voltage of automatic drive positioner control unit will be changed according to a change of tilt
sensor resistance. Automatic drive positioner control unit calculates the tilt position from the voltage.
DTC Logic
INFOID:0000000005147466
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 detected?
YES
>> Perform diagnosis procedure. Refer to
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000005147467
Regarding Wiring Diagram information, refer to
1.
CHECK TILT SENSOR SIGNAL
1. Turn ignition switch ON.
2. Select “TILT SEN” in “Data monitor” mode with CONSULT-III.
3. Check tilt sensor signal under the following condition.
Is the value normal?
YES
>> GO TO 4
NO
>> GO TO 2
2.
CHECK FUNCTION
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2118
TILT SENSOR
The input voltage of tilt sensor is 0.1V or less or 4.9V
or more.
• Harness and connectors
(Tilt sensor circuit is opened/
shorted, tilt sensor power supply
circuit is opened/shorted.)
• Tilt sensor
Monitor item
Condition
Value
TILT SEN
Tilt position
Top
2 V
Bottom
4 V
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