air condition INFINITI QX56 2006 Factory Service Manual

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Revision: November 2009 2006 QX56
Pedal Adjusting Sensor Circuit InspectionEIS004Y3
1. CHECK FUNCTION
With CONSULT-II
Operate the pedal adjusting switch with “PEDAL SEN ” on the DATA
MONITOR to make sure the voltage changes.
Without CONSULT-II
1. Turn ignition switch OFF.
2. Check voltage between automatic drive positioner control unit connector and ground.
OK or NG
OK >> Pedal adjusting sensor circuit is OK.
NG >> GO TO 2.
2. CHECK PEDAL ADJUSTING SENSOR CIRCUIT HARNESS CONTINUITY
1. Disconnect automatic drive positioner control unit and pedal adjusting sensor.
2. Check continuity between automatic drive positioner connector M33, M34 terminals 8, 33, 41 and pedal adjusting sensor con-
nector E110 terminals 3, 4, 5.
3. Check continuity between automatic drive positioner control unit connector M33, M34 terminals 8, 33, 41 and ground.
OK or NG
OK >> Replace pedal adjusting motor.
NG >> Repair or replace harness.
Monitor item [OPERATION or UNIT] Contents
PEDAL SEN “V ” The pedal adjusting position (voltage) judged
from the pedal adjust sensor signal is displayed.
PIIA4568E
Connector Terminals
ConditionVoltage (V)
(Approx.)
(+) (-)
M33 8 Ground Pedal front end position 0.5
Pedal back end position 4.5
PIIA4569E
8 - 4
: Continuity should exist.
33 - 3 : Continuity should exist.
41 - 5 : Continuity should exist.
8 - Ground : Continuity should not exist.
33 - Ground : Continuity should not exist.
41 - Ground : Continuity should not exist.
LIIA1003E

SE-56
AUTOMATIC DRIVE POSITIONER
Revision: November 20092006 QX56
Mirror Sensor LH Circuit Check EIS004Y4
1. CHECK DOOR MIRROR FUNCTION
Check the following items.
Operation malfunction in memory control
NOTE:
If a door mirror face position is set to an implausible angle, the set position may not be reproduced.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace the malfunctioning parts, and check the symptom again.
2. CHECK MIRROR SENSOR INSPECTION
With CONSULT-II
Check that “ON” is displayed on “MIR/SEN LH R-L, MIR/
SEN LH U-D" in the DATA MONITOR.
Without CONSULT-II
1. Turn ignition switch to ACC.
2. Check voltage between door mirror LH connector and ground.
OK or NG
OK >> Mirror sensor LH is OK.
NG >> GO TO 3.
Monitor item [OPERATION or UNIT] Contents
MIR/SEN LH R-L “V ” Voltage output from door mirror LH sensor (LH/
RH) is displayed.
MIR/SEN LH U-D “V ” Voltage output from door mirror LH sensor (UP/
DOWN) is displayed.
PIIA4568E
Con-
nector Terminals
Condition Voltage (V)
(Approx.)
(+) (-)
D4 7
Ground Mirror motor is
operated UP or
DOWN
Changes between
3.4 (close to peak) -
0.6 (close to valley)
8 Mirror motor is
operated LEFT or
RIGHT Changes between
3.4 (close to right edge) - 0.6 (close to left edge)
LIIA1482E

SE-58
AUTOMATIC DRIVE POSITIONER
Revision: November 20092006 QX56
2. CHECK MIRROR SENSOR INSPECTION
With CONSULT-II
Check that “ON” is displayed on “MIR/SEN RH R-L, MIR/
SEN RH U-D" in the DATA MONITOR.
Without CONSULT-II
1. Turn ignition switch to ACC.
2. Check voltage between door mirror RH connector and ground.
OK or NG
OK >> Mirror sensor RH is OK.
NG >> GO TO 3.
3. CHECK HARNESS CONTINUITY 1
1. Disconnect automatic drive positioner control unit and door mir- ror RH.
2. Check continuity between automatic drive positioner control unit connector M34 terminals 33, 41 and door mirror RH connector
D107 terminals 5, 6.
3. Check continuity between automatic drive positioner control unit connector M34 terminals 33, 41 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness.
Monitor item [OPERATION or UNIT] Contents
MIR/SEN RH R-L “V ” Voltage output from door mirror RH sensor (LH/
RH) is displayed.
MIR/SEN RH U-D “V ” Voltage output from door mirror RH sensor (UP/
DOWN) is displayed.
PIIA4568E
Con-
nector Terminals
Condition Voltage(V)
(Approx.)
(+) (-)
D107 7
Ground Mirror motor is
operated UP or
DOWN
Changes between
3.4 (close to peak) - 0.6 (close to valley)
8 Mirror motor is
operated LEFT or
RIGHT Changes between
3.4 (close to left edge) -
0.6 (close to right edge)
LIIA1485E
33 - 5 : Continuity should exist.
41 - 6 : Continuity should exist.
33 - Ground : Continuity should not exist.
41 - Ground : Continuity should not exist.
LIIA1486E

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Revision: November 2009 2006 QX56
4. CHECK HARNESS CONTINUITY 2
1. Disconnect automatic drive positioner control unit and door mir- ror RH.
2. Check continuity between automatic drive positioner control unit connector M33 terminals 5, 21 and door mirror RH connector
D107 terminals 7, 8.
3. Check continuity between automatic drive positioner control unit connector M33 terminals 5, 21 and ground.
OK or NG
OK >> Replace door mirror RH. Refer to GW-94, "Door Mirror Assembly" .
NG >> Repair or replace harness.
Steering Wheel Tilt Sensor Circuit InspectionEIS004Y6
1. CHECK FUNCTION
With CONSULT-II
Operate the pedal adjusting switch with “TILT SEN” on the DATA
MONITOR to make sure the voltage changes.
Without CONSULT-II
1. Turn ignition switch OFF.
2. Check voltage between automatic drive positioner connector and ground.
OK or NG
OK >> Steering wheel tilt sensor circuit is OK.
NG >> GO TO 2. 5 - 7
: Continuity should exist.
21 - 8 : Continuity should exist.
5 - Ground : Continuity should not exist.
21 - Ground : Continuity should not exist.
LIIA1473E
Monitor item [OPERA-
TION or UNIT] Contents
TILT SEN “V ” The tilt position (voltage) judged from the tilt sensor sig-
nal is displayed.
PIIA0295E
Connector Terminals
ConditionVoltage (V)
(Approx.)
(+) (-)
M33 7 Ground Pedal front end position 0.6
Pedal back end position 4.5
LIIA0485E

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Revision: November 2009 2006 QX56
Sliding Switch Circuit InspectionEIS004Y7
1. CHECK FUNCTION
With CONSULT-II
With “SLIDE SW-FR, SLIDE SW-RR ” on the DATA MONITOR, oper-
ate the sliding switch to check ON/OFF operation.
Without CONSULT-II
1. Turn ignition switch OFF.
2. Check voltage between driver seat control unit connector and ground.
OK or NG
OK >> Sliding switch circuit is OK.
NG >> GO TO 2.
2. CHECK SLIDING SWITCH CIRCUIT HARNESS CONTINUITY
1. Disconnect driver seat control unit connector and power seat switch LH.
2. Check continuity between driver seat control unit connector P2 terminals 11, 26 and power seat switch LH connector P8 termi-
nals 1, 7.
3. Check continuity between driver seat control unit connector P2 terminals 11, 26 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
Monitor item [OPERATION or UNIT] Contents
SLIDE SW-FR "ON/
OFF" ON / OFF status judged from the sliding switch (FR)
signal is displayed.
SLIDE SW-RR "ON/
OFF" ON / OFF status judged from the sliding switch (RR)
signal is displayed.
PIIA0313E
Connector
Terminal
ConditionVoltage (V)
(Approx.)
(+) (-)
P2 11
Ground Sliding switch ON
(BACKWARD operation)
0
Other than above Battery voltage
26 Sliding switch ON (FOR-
WARD operation)
0
Other than above Battery voltage
PIIA4577E
11 - 7 : Continuity should exist.
26 - 1 : Continuity should exist.
11 - Ground : Continuity should not exist.
26 - Ground : Continuity should not exist.
LIIA1125E

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Revision: November 2009 2006 QX56
2. CHECK RECLINING SWITCH CIRCUIT HARNESS CONTINUITY
1. Disconnect driver seat control unit and power seat switch LH.
2. Check continuity between driver seat control unit connector P2 terminals 12, 27 and power seat switch LH connector P8 termi-
nals 9, 10.
3. Check continuity between driver seat control unit connector P2 terminals 12, 27 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3. RECLINING SWITCH INSPECTION
Check continuity between power seat switch LH terminals as fol-
lows.
OK or NG
OK >> Check the condition of the harness and connector.
NG >> Replace power seat switch LH. Refer to SE-91, "
FRONT SEAT" .
12 - 9 : Continuity should exist.
27 - 10 : Continuity should exist.
12 - Ground : Continuity should not exist.
27 - Ground : Continuity should not exist.
LIIA1127E
Terminal
ConditionContinuity
9 3Reclining switch ON (BACKWARD operation) Yes
Other than above
No
10 Reclining switch ON (FORWARD operation) Yes
Other than above
No
LIIA1128E

SE-64
AUTOMATIC DRIVE POSITIONER
Revision: November 20092006 QX56
Lifting Switch (Front) Circuit InspectionEIS004Y9
1. CHECK FUNCTION
With CONSULT-II
With “LIFT FR SW-UP, LIFT FR SW-DN ” on the DATA MONITOR,
operate the lifting switch (front) to check ON/OFF operation.
Without CONSULT-II
1. Turn ignition switch OFF.
2. Check voltage between driver seat control unit connector and ground.
OK or NG
OK >> Lifting switch (front) circuit is OK.
NG >> GO TO 2.
2. CHECK LIFTING SWITCH (FRONT) CIRCUIT HARNESS CONTINUITY
1. Disconnect driver seat control unit and power seat switch LH.
2. Check continuity between driver seat control unit connector P2 terminals 13, 28 and power seat switch LH connector P2 termi-
nals 5, 6.
3. Check continuity between driver seat control unit connector P2 terminals 13, 28 and ground
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
Monitor item [OPERATION or UNIT] Contents
LIFT FR SW-DN "ON/
OFF" ON / OFF status judged from the FR lifter switch
(DOWN) signal is displayed.
LIFT FR SW-UP "ON/
OFF" ON / OFF status judged from the FR lifter switch
(UP) signal is displayed.
PIIA0323E
Connector
Terminals
ConditionVoltage (V)
(Approx.)
(+) (-)
P2 13
Ground Lifting switch (front) ON
(DOWN operation)
0
Other than above Battery voltage
28 Lifting switch (front) ON
(UP operation)
0
Other than above Battery voltage
PIIA4583E
13 - 5 : Continuity should exist.
28 - 6 : Continuity should exist.
13 - Ground : Continuity should not exist.
28 - Ground : Continuity should not exist.
LIIA1129E

SE-66
AUTOMATIC DRIVE POSITIONER
Revision: November 20092006 QX56
2. CHECK LIFTING SWITCH (REAR) CIRCUIT HARNESS CONTINUITY
1. Disconnect driver seat control unit and power seat switch LH.
2. Check continuity between driver seat control unit connector P2 terminals 14, 29 and power seat switch connector P8 terminals
2, 8.
3. Check continuity between driver seat control unit connector P2 terminals 14, 29 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3. CHECK LIFTING SWITCH (REAR)
Check continuity between power seat switch LH terminals as fol-
lows.
OK or NG
OK >> Check the condition of the harness and connector.
NG >> Replace power seat switch LH. Refer to SE-91, "
FRONT SEAT" .
Power Seat Switch Ground InspectionEIS004YB
1. CHECK POWER SEAT SWITCH GROUND CIRCUIT
Check continuity between power seat switch LH connector P8 termi-
nal 3 and ground.
OK or NG
OK >> Check the condition of the harness and connector.
NG >> Repair or replace harness. 14 - 8
: Continuity should exist.
29 - 2 : Continuity should exist.
14 - Ground : Continuity should not exist.
29 - Ground : Continuity should not exist.
LIIA1131E
Terminals ConditionContinuity
8 3Lifting switch (rear) ON (DOWN operation) Yes
Other than above
No
2 Lifting switch (rear) ON (UP operation)
Yes
Other than above No
LIIA1132E
3 - Ground: Continuity should exist.
LIIA1133E

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Revision: November 2009 2006 QX56
Pedal Adjusting Switch Circuit InspectionEIS004YC
1. CHECK FUNCTION
With CONSULT-II
With “PEDAL SW-FR, PEDAL SW-RR ” on the DATA MONITOR,
operate the pedal adjusting switch to check ON/OFF operation.
Without CONSULT-II
1. Turn ignition switch OFF.
2. Check voltage between driver seat control unit connector and ground.
OK or NG
OK >> Pedal adjusting switch circuit is OK.
NG >> GO TO 2.
2. CHECK PEDAL ADJUSTING SWITCH CIRCUIT HARNESS CONTINUITY
1. Disconnect driver seat control unit and pedal adjusting switch.
2. Check continuity between driver seat control unit connector P2 terminals 15, 30 and pedal adjusting switch connector M96 ter-
minals 2, 3.
3. Check continuity between driver seat control unit connector P2 terminals 15, 30 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
Monitor item [OPERATION or UNIT] Contents
PEDAL SW-FR “ON/OFF ”Operation (ON)/open (OFF) status judged from the
pedal adjusting switch (FR) signal is displayed.
PEDAL SW-RR “ON/OFF ”Operation (ON)/open (OFF) status judged from the
pedal adjusting switch (RR) signal is displayed.
PIIA4590E
Connector Te r m i n a l s
ConditionVoltage (V)
(Approx.)
(+) (-)
P2 15
Ground Pedal adjusting switch ON
(BACKWARD operation)
0
Other than above Battery voltage
30 Pedal adjusting switch ON
(FORWARD operation)
0
Other than above Battery voltage
PIIA4591E
15 - 2: Continuity should exist.
30 - 3 : Continuity should exist.
15 - Ground : Continuity should not exist.
30 - Ground : Continuity should not exist.
LIIA0726E

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Revision: November 2009 2006 QX56
Door Mirror Remote Control Switch (Changeover Switch) Circuit CheckEIS004YD
1. CHECK FUNCTION
With CONSULT-II
Check the operation on “MIR CHNG SW-R” or “MIR CHNG SW-L"
in the DATA MONITOR.
Without CONSULT-II
1. Turn ignition switch to ACC.
2. Check voltage between automatic drive positioner control unit connector and ground.
OK
orNG
OK >> Door mirror remote control switch (changeover switch) is OK.
NG >> GO TO 2.
2. CHECK DOOR MIRROR REMOTE CONTROL SWITCH CIRCUIT HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect automatic drive positioner control unit and door mir- ror remote control switch.
3. Check continuity between automatic drive positioner control unit connector M33 terminals 2, 18 and door mirror remote control
switch connector D10 terminals 2, 3.
4. Check continuity between automatic drive positioner control unit connector M33 terminals 2, 18 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
Monitor item [OPERATION or UNIT] Contents
MIR CHNG SW-R “ON/OFF ”ON/OFF status judged from the door mirror
switch (switching to RIGHT) signal is displayed.
MIR CHNG SW-L “ON/OFF ”ON/OFF status judged from the door mirror
switch (switching to LEFT) signal is displayed.
PIIA0191E
Connector Terminals
ConditionVoltage (V)
(Approx.)
(+) (-)
M33 2
Ground Changeover switch
RIGHT position
0
Other than above 5
18 Changeover switch
LEFT position
0
Other than above 5
PIIA4767E
2 - 2: Continuity should exist.
18 - 3 : Continuity should exist.
2 - Ground : Continuity should not exist.
18 - Ground : Continuity should not exist.
LIIA1821E