INFINITI QX56 2010 Factory Manual PDF

LIFTING SWITCH (FRONT)ADP-57
< COMPONENT DIAGNOSIS >
C
DE
F
G H
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K L
M A
B
ADP
N
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1. Disconnect driver seat control unit and power seat switch LH.
2. Check continuity between driver seat control unit harness con- nector and power seat switch LH harness connector.
3. Check continuity between driver seat control unit harness con- nector and ground.
Is the inspection result normal?
YES >> GO TO 3
NO >> Repair or replace harness.
3. CHECK DRIVER SEAT CONTROL UNIT OUTPUT
1. Connect the driver seat control unit.
2. Turn ignition switch OFF.
3. Check voltage between driver s eat control unit harness connec-
tor and ground.
Is the inspection result normal?
YES >> GO TO 4
NO >> Replace driver seat control unit. Refer to ADP-174, "
Removal and Installation".
4. CHECK LIFTING SWITCH (FRONT)
Refer to ADP-57, "
Component Inspection".
Is the inspection result normal?
YES >> GO TO 5
NO >> Replace power seat switch LH. Refer to SE-69, "
Disassembly and Assembly".
5. CHECK INTERMITTENT INCIDENT
Refer to GI-38, "
Intermittent Incident".
Is the inspection result normal?
YES >> Replace driver seat control unit. Refer to ADP-174, "Removal and Installation".
NO >> Repair or replace the malfunctioning part.
Component InspectionINFOID:0000000005147493
1. CHECK LIFTING SWITCH (FRONT)
Driver seat control
unit connector Te r m i n a l
Power seat switch
LH connector Terminal Continuity
B202 (A) 13
B208 (B) 9
Ye s
28 10
Driver seat control unit connector Terminal
GroundContinuity
B202 (A) 13
No
28
ALJIA0312ZZ
Driver seat control unit
connector Te r m i n a l s
Voltage (V)
(Approx.)
(+) (–)
B202 13
Ground Battery voltage
28
PIIA4583E
Revision: April 20092010 QX56

ADP-58
< COMPONENT DIAGNOSIS >
LIFTING SWITCH (FRONT)
1. Turn ignition switch OFF.
2. Disconnect power seat switch LH.
3. Check continuity between power seat switch LH terminals.
Is the inspection result normal?
YES >> Inspection End.
NO >> Replace power seat switch LH. Refer to SE-69, "
Disassembly and Assembly".
Te r m i n a l
Condition Continuity
Power seat switch LH
7 9 Lifting switch front (down)
Operate
Yes
Release No
10 Lifting switch front (up) Operate
Yes
Release No
ALJIA0313ZZ
Revision: April 20092010 QX56

LIFTING SWITCH (REAR)ADP-59
< COMPONENT DIAGNOSIS >
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M A
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ADP
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LIFTING SWITCH (REAR)
DescriptionINFOID:0000000005147494
Lifting switch (rear) is equipped to the power seat switch LH on the seat cushion trim cover. The operation sig-
nal is inputted to the driver seat control unit when the lifting switch (rear) is operated.
Component Function CheckINFOID:0000000005147495
1. CHECK FUNCTION
1. Select “LIFT RR SW-UP”, “LIFT RR SW-DN” in “Data monitor” mode with CONSULT-III.
2. Check lifting switch (rear) signal under the following conditions.
Is the indication normal?
YES >> Inspection End.
NO >> Perform diagnosis procedure. Refer to ADP-59, "
DiagnosisProcedure".
Diagnosis ProcedureINFOID:0000000005147496
Regarding Wiring Diagram information, refer to ADP-119, "Wiring Diagram".
1. CHECK LIFTING SWITCH (REAR) SIGNAL
1. Turn ignition switch OFF.
2. Check voltage between driver s eat control unit harness connec-
tor and ground.
Is the inspection result normal?
YES >> GO TO 5
NO >> GO TO 2
2. CHECK LIFTING SWITCH (REAR) CIRCUIT
Monitor item ConditionStatus
LIFT RR SW-UP Lifting switch rear (up) Operate
ON
Release OFF
LIFT RR SW-DN Lifting switch rear (down) Operate
ON
Release OFF
Driver seat
control unit
connector Te r m i n a l s
ConditionVoltage (V)
(Approx.)
(+) (–)
B202 14
Ground Lifting
switch (rear) Operate (down) 0
Release Battery voltage
29 Operate (up) 0
Release Battery voltage
PIIA4586E
Revision: April 20092010 QX56

ADP-60
< COMPONENT DIAGNOSIS >
LIFTING SWITCH (REAR)
1. Disconnect driver seat control unit and power seat switch LH.
2. Check continuity between driver seat control unit harness con-nector and power seat switch LH harness connector.
3. Check continuity between driver seat control unit harness con- nector and ground.
Is the inspection result normal?
YES >> GO TO 3
NO >> Repair or replace harness.
3. CHECK DRIVER SEAT CONTROL UNIT OUTPUT
1. Connect the driver seat control unit.
2. Turn ignition switch OFF.
3. Check voltage between driver seat control unit harness connec- tor and ground.
Is the inspection result normal?
YES >> GO TO 4
NO >> Replace driver seat control unit. Refer to ADP-174, "
Removal and Installation".
4. CHECK LIFTING SWITCH (REAR)
Refer to ADP-60, "
Component Inspection".
Is the inspection result normal?
YES >> GO TO 5
NO >> Replace power seat switch LH. Refer to SE-69, "
Disassembly and Assembly".
5. CHECK INTERMITTENT INCIDENT
Refer to GI-38, "
Intermittent Incident".
Is the inspection result normal?
YES >> Replace driver seat control unit. Refer to ADP-174, "Removal and Installation".
NO >> Repair or replace the malfunctioning part.
Component InspectionINFOID:0000000005147497
1. CHECK LIFTING SWITCH (REAR)
Driver seat control
unit connector Te r m i n a l
Power sear switch
LH connector Terminal Continuity
B202 (A) 14
B208 (B) 2
Ye s
29 6
Driver seat control unit connector Terminal
GroundContinuity
B202 (A) 14
No
29
ALJIA0314ZZ
Driver seat control unit
connector Te r m i n a l s
Voltage (V)
(Approx.)
(+) (–)
B202 14
Ground Battery voltage
29
PIIA4586E
Revision: April 20092010 QX56

LIFTING SWITCH (REAR)ADP-61
< COMPONENT DIAGNOSIS >
C
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F
G H
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K L
M A
B
ADP
N
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1. Turn ignition switch OFF.
2. Disconnect power seat switch LH.
3. Check continuity between power seat switch LH terminals.
Is the inspection result normal?
YES >> Inspection End.
NO >> Replace power seat switch LH. Refer to SE-69, "
Disassembly and Assembly".
Te r m i n a l Condition Continuity
Power seat switch LH
7 2 Lifting switch rear (down)
Operate Yes
Release No
6 Lifting switch rear (up) Operate Yes
Release No
ALJIA0315ZZ
Revision: April 20092010 QX56

ADP-62
< COMPONENT DIAGNOSIS >
TILT SWITCH
TILT SWITCH
DescriptionINFOID:0000000005147498
ADP steering switch is equipped to the steering column. The operation signal is input to the automatic drive
positioner control unit when the ADP steering switch is operated.
Component Function CheckINFOID:0000000005147499
1. CHECK FUNCTION
1. Select “TILT SW-UP”, “TILT SW-DN” in “Data monitor” mode with CONSULT-III.
2. Check tilt switch signal under the following conditions.
Is the indication normal?
YES >> Inspection End.
NO >> Perform diagnosis procedure. Refer to ADP-62, "
DiagnosisProcedure".
Diagnosis ProcedureINFOID:0000000005147500
Regarding Wiring Diagram information, refer to ADP-138, "Wiring Diagram".
1. CHECK ADP STEERING SWITCH SIGNAL
1. Turn ignition switch OFF.
2. Check voltage between automatic drive positioner control unit connector and ground.
Is the inspection result normal?
YES >> GO TO 4
NO >> GO TO 2
2. CHECK ADP STEERING SWITCH HARNESS CONTINUITY
Monitor item ConditionStatus
TILT SW-UP Tilt switch (up) Operate
ON
Release OFF
TILT SW-DN Tilt switch (down) Operate
ON
Release OFF
ConnectorTe r m i n a l s
ConditionVoltage (V)
(Approx.)
(+) (-)
M33 1
Ground ADP steering switch ON (UP
operation)
0
Other than above 5
17 ADP steering switch ON
(DOWN operation)
0
Other than above 5
LIIA0491E
Revision: April 20092010 QX56

TILT SWITCHADP-63
< COMPONENT DIAGNOSIS >
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G H
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M A
B
ADP
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1. Disconnect automatic drive positioner control unit and ADP steering switch.
2. Check continuity between automat ic drive positioner control unit
connector M33 terminals 1, 17 and ADP steering switch connec-
tor M16 terminals 2, 3.
3. Check continuity between automat ic drive positioner control unit
connector M33 terminals 1, 17 and ground.
Is the inspection result normal?
YES >> GO TO 3
NO >> Repair or replace harness.
3. CHECK ADP STEERING SWITCH GROUND CIRCUIT
Check continuity between ADP steer ing switch connector M16 termi-
nal 1 and ground.
Is the inspection result normal?
YES >> Check the condition of the harness and connector.
NO >> Replace or replace harness.
4. CHECK TILT SWITCH
Refer to ADP-63, "
Component Inspection".
Is the inspection result normal?
YES >> GO TO 5
NO >> Replace ADP steering switch. Refer to ADP-179, "
Removal and Installation".
5. CHECK INTERMITTENT INCIDENT
Refer to GI-38, "
Intermittent Incident".
Is the inspection result normal?
YES >> Replace automatic drive posit ioner control unit. Refer to ADP-175, "Removal and Installation".
NO >> Repair or replace the malfunctioning part.
Component InspectionINFOID:0000000005147501
1. CHECK ADP STEERING WHEEL TILT SWITCH
Check continuity between ADP steer ing switch terminals as follows.
Is the inspection result normal?
YES >> Inspection End. 1 - 2 : Continuity should exist.
17 - 3 : Continuity should exist.
1 - Ground
: Continuity should not exist.
17 - Ground : Continuity should not exist.
LIIA1434E
1 - Ground : Continuity should exist.
LIIA0490E
Terminals ConditionContinuity
2 1ADP steering switch ON (UP operation) Yes
Other than above
No
3 ADP steering switch ON (DOWN operation) Yes
Other than above
No
LIIA1435E
Revision: April 20092010 QX56

ADP-64
< COMPONENT DIAGNOSIS >
TILT SWITCH
NO >> Replace ADP steering switch. Refer to ADP-179, "Removal and Installation".
Revision: April 20092010 QX56

PEDAL ADJUSTING SWITCHADP-65
< COMPONENT DIAGNOSIS >
C
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M A
B
ADP
N
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PEDAL ADJUSTING SWITCH
DescriptionINFOID:0000000005147502
Pedal adjusting switch is on the instrument panel. The operation signal is input to the driver seat control unit
when the pedal adjusting switch is operated. The pedal adjusting switch signal is sent to the automatic drive
positioner control unit via UART communication.
Component Function CheckINFOID:0000000005147503
1. CHECK FUNCTION
1. Select “PEDAL SW-FR”, “PEDAL SW-RR” in “Data monitor” mode with CONSULT-III.
2. Check pedal adjusting switch signal under the following conditions.
Is the indication normal?
YES >> Inspection End.
NO >> Perform diagnosis procedure. Refer to ADP-65, "
DiagnosisProcedure".
Diagnosis ProcedureINFOID:0000000005147504
Regarding Wiring Diagram information, refer to ADP-119, "Wiring Diagram".
1. CHECK PEDAL ADJUSTING SWITCH SIGNAL
1. Turn ignition switch OFF.
2. Check voltage between driver s eat control unit harness connec-
tor and ground.
Is the inspection result normal?
YES >> GO TO 5
NO >> GO TO 2
2. CHECK PEDAL ADJUSTING SWITCH CIRCUIT
Monitor item ConditionStatus
PEDAL SW-FR Pedal adjusting switch (forward) Operate
ON
Release OFF
PEDAL SW-RR Pedal adjusting switch (backward) Operate
ON
Release OFF
Driver seat
control unit connector Te r m i n a l s
ConditionVoltage (V)
(Approx.)
(+) (–)
B202 15
Ground Pedal ad-
justing switch Operate
(backward) 0
Release Battery
voltage
30 Operate
(forward) 0
Release Battery
voltage
PIIA4591E
Revision: April 20092010 QX56

ADP-66
< COMPONENT DIAGNOSIS >
PEDAL ADJUSTING SWITCH
1. Disconnect driver seat control unit and pedal adjusting switch.
2. Check continuity between driver seat control unit harness con-nector and pedal adjusting switch harness connector.
3. Check continuity between driver seat control unit harness con- nector and ground.
Is the inspection result normal?
YES >> GO TO 3
NO >> Repair or replace harness.
3. CHECK DRIVER SEAT CONTROL UNIT OUTPUT
1. Connect the driver seat control unit.
2. Turn ignition switch OFF.
3. Check voltage between driver seat control unit harness connec- tor and ground.
Is the inspection result normal?
YES >> GO TO 4
NO >> Replace driver seat control unit. Refer to ADP-174, "
Removal and Installation".
4. CHECK PEDAL ADJUSTING SWITCH
Refer to ADP-67, "
Component Inspection".
Is the inspection result normal?
YES >> GO TO 5
NO >> Replace pedal adjusting switch. Refer to IP-11, "
Exploded View".
5. CHECK PEDAL ADJUSTING SWITCH GROUND CIRCUIT
Check continuity between pedal adjusting switch connector M96 ter-
minal 1 and ground.
Is the inspection result normal?
YES >> GO TO 6
NO >> Repair or replace harness.
6. CHECK INTERMITTENT INCIDENT
Refer to GI-38, "
Intermittent Incident".
Driver seat
control unit connector Te r m i n a l
Pedal adjusting
switch connector Terminal Continuity
B202 15
M96 2
Ye s
30 3
Driver seat control unit connector Te r m i n a l
GroundContinuity
B202 15
No
30
LIIA0726E
Driver seat control unit
connector Te r m i n a l s
Voltage (V)
(Approx.)
(+) (–)
B202 15
Ground Battery voltage
30
PIIA4591E
1 - Ground : Continuity should exist.
LIIA1015E
Revision: April 20092010 QX56