air condition INFINITI QX56 2009 Factory User Guide
[x] Cancel search | Manufacturer: INFINITI, Model Year: 2009, Model line: QX56, Model: INFINITI QX56 2009Pages: 4171, PDF Size: 84.65 MB
Page 60 of 4171
ADP-46
< COMPONENT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
POWER SUPPLY AND GROUND CIRCUIT
BCM
BCM : Diagnosis ProcedureINFOID:0000000004055989
1. CHECK FUSES AND FUSIBLE LINK
Check that the following fuses and fusible link are not blown.
Is the fuse blown?
YES >> Replace the blown fuse or fusible link after repairing the affected circuit.
NO >> GO TO 2
2. CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM.
3. Check voltage between BCM harness connector and ground.
Is the measurement value normal?
YES >> GO TO 3
NO >> Repair or replace harness.
3. CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
Does continuity exist?
YES >> Inspection End.
NO >> Repair or replace harness.
DRIVER SEAT CONTROL UNIT
Terminal No. Signal name Fuses and fusible link No.
57 Battery power supply 22 (15A)
70 F (50A)
11 Ignition ACC or ON 4 (10A)
38 Ignition ON or START 59 (10A)
Connector Te r m i n a l s
Power
source Condition
Voltage (V) (Ap-
prox.)
(+) (-)
M18 11 Ground
ACC
power
supply Ignition
switch
ACC or ON Battery voltage
38 Ground Ignition
power
supply Ignition
switch ON or START Battery voltage
M20 57 Ground
Battery
power
supply Ignition
switch
OFF Battery voltage
70 Ground Battery
power
supply Ignition
switch OFF Battery voltage
LIIA2415E
BCM
GroundContinuity
Connector Terminal
M20 67 Yes
LIIA0915E
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POWER SUPPLY AND GROUND CIRCUITADP-47
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
K L
M A
B
ADP
N
O P
DRIVER SEAT CONTROL UNIT : Diagnosis ProcedureINFOID:0000000003775549
NOTE:
Do not disconnect the battery negative terminal and the dr iver seat control unit connector until DTC is con-
firmed with CONSULT-III.
1. CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconeect driver seat control unit.
3. Check voltage between driver s eat control unit harness connec-
tor and ground.
Is the inspection result normal?
YES >> GO TO 2
NO >> Check the following. Repair or replace harness between driver seat control unit and fuse block (J/B).
Circuit breaker.
2. CHECK GROUND CIRCUIT
Check continuity between the driv er seat control unit harness con-
nector and ground.
Is the inspection result normal?
YES >> Driver seat control unit power supply and ground circuit are OK.
NO >> Repair or replace harness.
DRIVER SEAT CONTROL UNIT : Special Repair RequirementINFOID:0000000003775550
1. PERFORM ADDITIONAL SERVICE
Perform additional service when removing battery negative terminal.
>> Refer to Owner’s Manual.
AUTOMATIC DRIVE POSITIONER CONTROL UNIT
AUTOMATIC DRIVE POSITIONER CO NTROL UNIT : Diagnosis Procedure
INFOID:0000000003775551
NOTE:
Do not disconnect the battery negative terminal and the dr iver seat control unit connector until DTC is con-
firmed with CONSULT-III.
Te r m i n a l s
Power
source ConditionVoltage (V)
(Approx.)
(+)
(–)
Driver seat
control unit connector Terminal
B202 6 GroundSTART
power sup-
ply Ignition
switch
START Battery
voltage
B203 33 Battery
power sup-ply Ignition
switch OFF
40
LIIA1897E
Driver seat control unit
connector Te r m i n a l
Ground Continuity
B202 32 Ye s
B203 48
PIIA4542E
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ADP-50
< COMPONENT DIAGNOSIS >
SLIDING SWITCH
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 ON.
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-165, "Removal and Installation"
.
4. CHECK SLIDING SWITCH
Refer to ADP-50, "Component Inspection"
.
Is the inspection result normal?
YES >> GO TO 5
NO >> Replace power seat switch LH. Refer to SE-68, "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-165, "Removal and Installation".
NO >> Repair or replace malfunctioning part.
Component InspectionINFOID:0000000003775556
1. CHECK SLIDING SWITCH
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-68, "Disassembly and Assembly"
.
Driver seat control unit
connector Terminal
GroundContinuity
B202 (A) 11
No
26
Driver seat control unit
connector Te r m i n a l s
Voltage (V)
(Approx.)
(+) (–)
B202 11
Ground Battery voltage
26
PIIA4577E
Te r m i n a l Condition Continuity
Power seat switch LH
7 1 Sliding switch (backward)
Operate Yes
Release No
5 Sliding switch (forward) Operate Yes
Release No
ALJIA0309ZZ
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ADP-52
< COMPONENT DIAGNOSIS >
RECLINING SWITCH
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-165, "Removal and Installation"
.
4. CHECK RECLINING SWITCH
Refer to ADP-52, "Component Inspection"
.
Is the inspection result normal?
YES >> GO TO 5
NO >> Replace power seat switch LH. Refer to SE-68, "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-165, "Removal and Installation".
NO >> Repair or replace the malfunctioning part.
Component InspectionINFOID:0000000003775560
1. CHECK RECLINING SWITCH
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-68, "Disassembly and Assembly"
.
Driver seat control unit
connector Terminal
GroundContinuity
B202 (A) 12
No
27
Driver seat control
unit connector Te r m i n a l s
Voltage (V)
(Approx.)
(+) (–)
B202 12
Ground Battery voltage
27
PIIA4580E
Te r m i n a l s Condition Continuity
Power seat switch LH
7 3
Reclining switch
(backward) Operate Yes
Release No
4 Reclining switch
(forward) Operate Yes
Release No
ALJIA0311ZZ
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ADP-54
< COMPONENT DIAGNOSIS >
LIFTING SWITCH (FRONT)
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-165, "Removal and Installation"
.
4. CHECK LIFTING SWITCH (FRONT)
Refer to ADP-54, "Component Inspection"
.
Is the inspection result normal?
YES >> GO TO 5
NO >> Replace power seat switch LH. Refer to SE-68, "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-165, "Removal and Installation".
NO >> Repair or replace the malfunctioning part.
Component InspectionINFOID:0000000003775564
1. CHECK 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-68, "Disassembly and Assembly"
.
Driver seat control unit
connector Te r m i n a l
GroundContinuity
B202 (A) 13
No
28
Driver seat control unit
connector Te r m i n a l s
Voltage (V)
(Approx.)
(+) (–)
B202 13
Ground Battery voltage
28
PIIA4583E
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
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ADP-56
< COMPONENT DIAGNOSIS >
LIFTING SWITCH (REAR)
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-165, "Removal and Installation"
.
4. CHECK LIFTING SWITCH (REAR)
Refer to ADP-56, "Component Inspection"
.
Is the inspection result normal?
YES >> GO TO 5
NO >> Replace power seat switch LH. Refer to SE-68, "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-165, "Removal and Installation".
NO >> Repair or replace the malfunctioning part.
Component InspectionINFOID:0000000003775568
1. CHECK LIFTING SWITCH (REAR)
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-68, "Disassembly and Assembly"
.
Driver seat control unit
connector Terminal
GroundContinuity
B202 (A) 14
No
29
Driver seat control unit
connector Te r m i n a l s
Voltage (V)
(Approx.)
(+) (–)
B202 14
Ground Battery voltage
29
PIIA4586E
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
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ADP-58
< COMPONENT DIAGNOSIS >
TILT SWITCH
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 steering 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-58, "Component Inspection"
.
Is the inspection result normal?
YES >> GO TO 5
NO >> Replace ADP steering switch. Refer to ADP-170, "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-166, "Removal and Installation".
NO >> Repair or replace the malfunctioning part.
Component InspectionINFOID:0000000003775572
1. CHECK ADP STEERING WHEEL TILT SWITCH
Check continuity between ADP steering switch terminals as follows.
Is the inspection result normal?
YES >> Inspection End.
NO >> Replace ADP steering switch. Refer to ADP-170,
"Removal and Installation".
1 - Ground : Continuity should not exist.
17 - Ground : Continuity should not exist.
1 - Ground : Continuity should exist.
LIIA0490E
Terminals Condition Continuity
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
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PEDAL ADJUSTING SWITCHADP-61
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
K L
M A
B
ADP
N
O P
Is the inspection result normal?
YES >> Replace automatic drive posit ioner control unit. Refer to ADP-166, "Removal and Installation".
NO >> Repair or replace the malfunctioning part.
Component InspectionINFOID:0000000003775576
1. CHECK PEDAL ADJUSTING SWITCH
1. Turn ignition switch OFF.
2. Disconnect pedal adjusting switch.
3. Check continuity between pedal adjusting switch terminals.
Is the inspection result normal?
YES >> Inspection End.
NO >> Replace pedal adjusting switch. Refer to SE-65, "Exploded View"
.
Te r m i n a l
Condition Continuity
Pedal adjusting switch
1 2
Pedal adjusting switch
(forward) Operate Yes
Release No
3 Pedal adjusting switch
(backward) Operate Yes
Release No
LIIA1014E
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ADP-62
< COMPONENT DIAGNOSIS >
SEAT MEMORY SWITCH
SEAT MEMORY SWITCH
DescriptionINFOID:0000000003775577
The seat memory switch is installed on the front door LH trim. The operation signal is input to the automatic
drive positioner control unit when the memory switch is operated.
Component Function CheckINFOID:0000000003775578
1. CHECK FUNCTION
1. Select “MEMORY SW 1”, “MEMORY SW 2”, "SET SW" in “Data monitor” mode with CONSULT-III.
2. Check seat memory switch signal under the following conditions.
Is the indication normal?
YES >> Inspection End.
NO >> Perform diagnosis procedure. Refer to ADP-62, "Diagnosis Procedure"
.
Diagnosis ProcedureINFOID:0000000003775579
1. CHECK MEMORY SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect automatic drive positioner control unit and seat memory switch.
3. Check continuity between automat ic drive positioner control unit
harness connector and seat memory switch harness connector.
4. Check continuity between automatic drive positioner control unit harness connector and ground.
Is the inspection result normal?
YES >> GO TO 2
NO >> Repair or replace harness.
2. CHECK MEMORY SW ITCH GROUND CIRCUIT
Monitor item Condition Status
MEMORY SW1 Memory switch 1 Push ON
Release OFF
MEMORY SW2 Memory switch 2 Push ON
Release OFF
SET SW Set switch Push ON
Release OFF
Automatic drive
positioner control unit connector Te r m i n a l
Seat memory
switch connector Terminal Continuity
M33 9
D5 1
Ye s
24 3
25 2
Automatic drive positioner control unit connector Terminal
GroundContinuity
M33 9
No
24
25
PIIA4576E
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SEAT MEMORY SWITCHADP-63
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
K L
M A
B
ADP
N
O P
Check continuity between seat memory switch harness connector
and ground.
Is the inspection result normal?
YES >> GO TO 3
NO >> Repair or replace harness.
3. CHECK SEAT MEMORY SWITCH
Refer to ADP-63, "Component Inspection"
.
Is the inspection result normal?
YES >> GO TO 4
NO >> Replace seat memory switch. Refer to ADP-167, "Removal and Installation"
.
4. 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-166, "Removal and Installation".
NO >> Repair or replace the malfunctioning part.
Component InspectionINFOID:0000000003775580
1. CHECK SEAT MEMORY SWITCH
1. Turn ignition switch OFF.
2. Disconnect seat memory switch.
3. Check continuity between seat memory switch terminals.
Is the inspection result normal?
YES >> Inspection End.
NO >> Replace seat memory switch. Refer to ADP-167, "Removal and Installation"
.
Seat memory switch
connector Te r m i n a l
GroundContinuity
D5 4 Yes
PIIA4821E
Te r m i n a l Condition Continuity
Seat memory switch
4 1 Memory switch 1
Push Yes
Release No
2 Memory switch 2 Push Yes
Release No
3 Set switch Push Yes
Release No
LIIA1020E
Revision: December 20092009 QX56