2008 INFINITI QX56 ignition

ADP-62
< COMPONENT DIAGNOSIS >
DOOR MIRROR REMOTE CONTROL SWITCH
Is the inspection result normal?
YES >> GO TO 3
NO >> Repair or replace harness.
3. CHECK DOOR MIRROR REMOTE CONTROL SWITCH GROUND CIRCUIT
Check continuity between door mirro r remote control switch connec-
tor 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 automatic drive positioner control unit.
2. Turn ignition switch ON.
3. Check voltage between automatic drive positioner control unit connector and ground.
Is the inspection result normal?
YES >> GO TO 5.
NO >> Replace automatic drive positioner control unit.
5. CHECK CHANGEOVER SWITCH
Check changeover switch.
Refer to ADP-62, "
CHANGEOVER SWITCH : Component Inspection".
Is the inspection result normal?
YES >> Refer to GI-38, "Intermittent Incident".
NO >> Replace door mirror remote control switch.
6. CHECK INTERMITTENT INCIDENT
Check intermittent incident.
Refer to GI-38, "
Intermittent Incident".
Is the inspection result normal?
YES >> Replace automatic drive positioner control unit.
NO >> Repair or replace the malfunctioning parts.
CHANGEOVER SWITCH : Component InspectionINFOID:0000000001735494
1. CHECK CHANGEOVER SWITCH
Automatic drive positioner control
unit connector Te r m i n a l
GroundContinuity
M33 (A) 2
No
18
Door mirror remote control switch
connector Terminal
GroundContinuity
D10 7 Yes
ALJIA0189ZZ
Te r m i n a l s
Voltage (V)(Approx.)
(+)
(-)
Automatic drive positioner
control unit connector Te r m i n a l
M33 2
Ground 5
18
PIIA4767E
Revision: March 2010 2008 QX56

DOOR MIRROR REMOTE CONTROL SWITCHADP-63
< COMPONENT DIAGNOSIS >
C
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F
G H
I
K L
M A
B
ADP
N
O P
Check door mirror remote control switch.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace door mirror remote control switch.
MIRROR SWITCH
MIRROR SWITCH : DescriptionINFOID:0000000001735495
It operates angle of the door mirror face.
It transmits mirror face adjust operation to automatic drive positioner control unit.
MIRROR SWITCH : Component Function CheckINFOID:0000000001735496
1. CHECK MIRROR SWITCH FUNCTION
Check the operation on “MIR CON SW–UP/DN” and “M IR CON SW–RH/LH” in “DATA MONITOR” mode
with CONSULT-III.
Refer to ADP-26, "
CONSULT-III Function".
Is the inspection result normal?
YES >> Mirror switch function is OK.
NO >> Refer to ADP-63, "
MIRROR SWITCH : Diagnosis Procedure".
MIRROR SWITCH : Diagnosis ProcedureINFOID:0000000001735497
1. CHECK MIRROR SWITCH FUNCTION
1. Turn ignition switch ON.
2. Check voltage between automatic drive positioner control unit
connector and ground.
Is the inspection result normal?
YES >> GO TO 6
NO >> GO TO 2
2. CHECK HARNESS CONTINUITY
Te r m i n a l Change over switch
condition Continuity
Door mirror remote control switch
10 7LEFT
Yes
Other than above No
11 RIGHT
Yes
Other than above No
ALJIA0272ZZ
Te r m i n a l s
Mirror switchCondition Voltage (V)
(Approx.)
(+)
(–)
Automatic drive
positioner control unit connector Te r m i n a l
M33 3
Ground UP
0
Other than above 5
4 LEFT
0
Other than above 5
19 DOWN
0
Other than above 5
20 RIGHT
0
Other than above 5
PIIA4771E
Revision: March 2010 2008 QX56

ADP-64
< COMPONENT DIAGNOSIS >
DOOR MIRROR REMOTE CONTROL SWITCH
1. Turn ignition switch OFF.
2. Disconnect automatic drive posit ioner control unit and door mir-
ror remote control switch.
3. Check continuity between automat ic drive positioner control unit
connector and door mirror remote control switch connector.
4. Check continuity between automatic driv e positioner control unit connector and ground.
Is the inspection result normal?
YES >> GO TO 3
NO >> Repair or replace harness.
3. CHECK DOOR MIRROR REMOTE CONTROL SWITCH GROUND CIRCUIT
Check continuity between door mirro r remote control switch connec-
tor 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 automatic drive positioner control unit.
2. Turn ignition switch ON.
3. Check voltage between automatic drive positioner control unit and ground.
Is the inspection result normal?
Automatic drive
positioner control unit connector Te r m i n a lDoor mirror remote
control switch con- nector Terminal Continuity
M33 (A) 3
D10 (B) 15
Ye s
41
3
19 12
20 4
Automatic drive positioner control unit connector Te r m i n a l
GroundContinuity
M33 (A) 3
No
4
19
20
ALJIA0191ZZ
Door mirror remote control switch connector Te r m i n a l
Ground Continuity
D10 7 Yes
ALJIA0189ZZ
Te r m i n a l s
Voltage (V)(Approx.)
(+)
(-)
Automatic drive positioner
control unit connector Te r m i n a l
M33 3
Ground 5
4
19
20
PIIA4771E
Revision: March 2010 2008 QX56

ADP-66
< COMPONENT DIAGNOSIS >
POWER SEAT SWITCH GROUND CIRCUIT
POWER SEAT SWITCH GROUND CIRCUIT
Diagnosis ProcedureINFOID:0000000001735499
1. CHECK POWER SEAT SWITCH LH GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect power seat switch LH.
3. Check continuity between power seat switch LH connector and ground.
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI-38, "Intermittent
Incident".
NO >> Repair or replace harness.
Power seat switch LH
connector Te r m i n a l
GroundContinuity
B208 32 Yes
LIIA1133E
Revision: March 2010 2008 QX56

DETENTION SWITCHADP-67
< COMPONENT DIAGNOSIS >
C
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F
G H
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M A
B
ADP
N
O P
DETENTION SWITCH
DescriptionINFOID:0000000001735500
Park position switch is installed on A/T shift selector. It is turned OFF when the A/T selector lever is in P posi-
tion. The driver seat control unit judges that the A/T selector lever is in P position if cont\
inuity does not exist in
this circuit.
Component Function CheckINFOID:0000000001735501
1. CHECK FUNCTION
1. Select “DETENT SW” signal in “Data monitor” mode with CONSULT-III.
2. Check park position switch signal under the following conditions.
Is the indication normal?
YES >> INSPECTION END
NO >> Perform diagnosis procedure. Refer to ADP-67, "
DiagnosisProcedure".
Diagnosis ProcedureINFOID:0000000001735502
1. CHECK DTC WITH “BCM”
Check “Self Diagnostic Result” for BCM with CONSULT-lll.
Is any other DTC detected?
YES >> Check the DTC.
NO >> GO TO 2
2. CHECK PARK POSITION SWITCH INPUT SIGNAL
1. Turn ignition switch ON.
2. Mechanical key must be removed from the key switch.
3. Check voltage between driver seat control unit harness connec- tor and ground.
Is the inspection result normal?
YES >> GO TO 4
NO >> GO TO 3
3. CHECK PARK POSITION SWITCH CIRCUIT
Monitor item ConditionStatus
DETENT SW A/T selector lever P position
OFF
Other than
above ON
Driver seat
control unit connector Te r m i n a l
ConditionVoltage (V)
(Approx.)
(+) (-)
B202 21 Ground A/T selec-
tor leverP position
Battery volt-
age
Other than
above 0V
ALJIA0193ZZ
Revision: March 2010
2008 QX56

ADP-68
< COMPONENT DIAGNOSIS >
DETENTION SWITCH
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit and A/T shift selector.
3. Check continuity between driver seat control unit harness con-nector (A) and A/T shift selector harness connector (B).
4. Check continuity between driver seat control unit harness con- nector (A) and ground.
Is the inspection result normal?
YES >> GO TO 4
NO >> Repair or replace harness.
4. CHECK INTERMITTENT INCIDENT
Refer to GI-38, "
Intermittent Incident".
Is the inspection result normal?
YES >> Replace driver seat control unit.
NO >> Repair or replace the malfunctioning part.
AB Continuity
Connector Terminal Connector Terminal
B202 21 M203 6 Yes
A —Continuity
Connector Terminal
B202 21 Ground No
ALJIA0194ZZ
Revision: March 2010 2008 QX56

ADP-70
< COMPONENT DIAGNOSIS >
FRONT DOOR SWITCH (DRIVER SIDE)
1. Turn ignition switch OFF.
2. Disconnect front door switch LH.
3. Check continuity between front door switch LH terminals.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace front door switch LH.
Te r m i n a lCondition Continuity
Front door switch LH
2 Ground part of
door switch Front door switch
LH Pushed
No
Released Yes
LIIA2377E
Revision: March 2010 2008 QX56

SLIDING SENSORADP-71
< COMPONENT DIAGNOSIS >
C
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F
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M A
B
ADP
N
O P
SLIDING SENSOR
DescriptionINFOID:0000000001735507
• The sliding sensor is installed to the seat slide cushion frame.
• The pulse signal is input to the driver seat control unit when sliding is performed.
• The driver seat control unit counts the pulse and calculates the sliding amount of the seat.
Component Function CheckINFOID:0000000001735508
1. CHECK FUNCTION
1. Select “SLIDE PULSE” in “Data monitor” mode with CONSULT-III.
2. Check sliding sensor signal under the following conditions.
Is the indication normal?
YES >> INSPECTION END
NO >> Perform diagnosis procedure. Refer to ADP-71, "
DiagnosisProcedure".
Diagnosis ProcedureINFOID:0000000001735509
1. CHECK SLIDING SENSOR SIGNAL
1. Turn ignition switch ON.
2. Read voltage signal between driver seat control unit harness connector and ground with osiloscope.
Is the inspection result normal?
YES >> GO TO 4
NO >> GO TO 2
2. CHECK SLIDING SENSOR CIRCUITS
Monitor item Condition Valve
SLIDE PULSE Seat slidingOperate (forward)
Change (increase)
Operate (backward) Change (decrease)
Release No change
Te r m i n a l s
ConditionVoltage signal
(+)
(–)
Driver’s
seat
control unit Te r m i -
nal
B202 24 Ground Seat
slidingOperate
Other
than
above
0 or 5
PIIA4556E
PIIA3277E
Revision: March 2010
2008 QX56