2006 INFINITI QX56 door lock

[x] Cancel search: door lock

child seat air conditioning bolt pattern fuse box location light radio antenna

Page 455 of 3383

INFINITI QX56 2006 Factory Service Manual ATC-54
TROUBLE DIAGNOSIS
Revision: November 20092006 QX56
Front Air Control Terminals and Reference ValueEJS003XJ
Measure voltage between each terminal and ground by following
Terminals and Reference

Page 456 of 3383

INFINITI QX56 2006 Factory Service Manual TROUBLE DIAGNOSISATC-55
C
DE
F
G H
I
K L
M A
B
AT C
Revision: November 2009 2006 QX56
22 Y/R Power supply for BAT-- Battery voltage
23 R/L Illumination + ON Park lamps ONBattery voltage
24 BR Illumina

Page 459 of 3383

INFINITI QX56 2006 Factory Service Manual ATC-58
TROUBLE DIAGNOSIS
Revision: November 20092006 QX56
Operational Check (Front)EJS003XL
The purpose of the operational check is to confirm that the system operates properly.
CHECKING MEMORY FUNCTI

ATC-58
TROUBLE DIAGNOSIS
Revision: November 20092006 QX56
Operational Check (Front)EJS003XL
The purpose of the operational check is to confirm that the system operates properly.
CHECKING MEMORY FUNCTION
1. Set the temperature to 90°F or 32 °C.
2. Turn front blower control dial counterclockwise until system shuts OFF.
3. Turn ignition switch OFF.
4. Turn ignition switch ON.
5. Press the AUTO switch.
6. Confirm that the set temperature remains at previous temperature.
7. Turn front blower control counterclockwise until system shuts OFF.
If NG, go to trouble diagnosis procedure for ATC-131, "
Memory Function" .
If OK, continue with next check.
CHECKING BLOWER
1. Turn front blower control clockwise, blower should operate on low speed. The blower symbol should have one blade lit (on display).
2. Turn the front blower control dial again, and continue checking blower speed and blower symbol until all speeds are checked.
3. Leave blower on MAX speed.
If NG, go to trouble diagnosis procedure for AT C - 9 5 , "
DIAGNOSTIC PROCEDURE FOR BLOWER
MOTOR"AT C - 9 5 , "DIAGNOSTIC PROCEDURE FOR BLOWER MOTOR" .
If OK, continue with next check.
CHECKING DISCHARGE AIR
1. Press MODE switch four times and the DEF ( ) switch.
2. Each position indicator should change shape (on display).
3. Confirm that discharge air comes out according to the air distribution table. Refer to AT C - 3 0 , "
Discharge
Air Flow" .
Mode door position is checked in the next step.
If NG, go to trouble diagnosis procedure for AT C - 6 4 , "
Mode Door Motor Circuit" .
If OK, continue the check.
NOTE:
Confirm that the compressor clutch is engaged (sound or visual inspection) and intake door position is at fresh
when the DEF or D/F is selected.
CHECKING RECIRCULATION (, ONLY)
1. Press recirculation ( ) switch one time. Recirculation indicator should illuminate.
2. Press recirculation ( ) switch one more time. Recirculation indicator should go off.
3. Listen for intake door position change (blower sound should change slightly).
If NG, go to trouble diagnosis procedure for AT C - 8 3 , "
Intake Door Motor Circuit" .
If OK, continue the check.
NOTE:
Confirm that the compressor clutch is engaged (sound or visual inspection) and intake door position is at fresh
when the DEF or D/F is selected. REC ( ) is not allowed in DEF ( ) D/F ( ) or FOOT ( ).
CHECKING TEMPERATURE DECREASE
1. Rotate temperature control dial (driver side or passenger side) counterclockwise until 16 °C (60 °F) is dis-
played.
2. Check for cold air at appropriate discharge air outlets.
If NG, listen for sound of air mix door motor operation. If OK, go to trouble diagnosis procedure for ATC-121,
"Insufficient Cooling" . If air mix door motor appears to be malfunctioning, go to AT C - 7 2 , "DIAGNOSTIC PRO-
CEDURE FOR AIR MIX DOOR MOTOR (DRIVER)" or AT C - 7 6 , "DIAGNOSTIC PROCEDURE FOR AIR MIX
DOOR MOTOR (PASSENGER)" .
If OK, continue the check. Conditions : Engine running and at normal operating temperature

Page 460 of 3383

INFINITI QX56 2006 Factory Service Manual TROUBLE DIAGNOSISATC-59
C
DE
F
G H
I
K L
M A
B
AT C
Revision: November 2009 2006 QX56
CHECKING TEMPERATURE INCREASE
1. Rotate temperature control dial clockwise (driver side or passenger side) until 3

TROUBLE DIAGNOSISATC-59
C
DE
F
G H
I
K L
M A
B
AT C
Revision: November 2009 2006 QX56
CHECKING TEMPERATURE INCREASE
1. Rotate temperature control dial clockwise (driver side or passenger side) until 32°C (90 °F) is displayed.
2. Check for hot air at appropriate discharge air outlets.
If NG, listen for sound of air mix door motor operation. If OK, go to trouble diagnosis procedure for ATC-128,
"Insufficient Heating" . If air mix door motor appears to be malfunctioning, go to AT C - 7 2 , "DIAGNOSTIC PRO-
CEDURE FOR AIR MIX DOOR MOTOR (DRIVER)" or AT C - 7 6 , "DIAGNOSTIC PROCEDURE FOR AIR MIX
DOOR MOTOR (PASSENGER)" .
If OK, continue with next check.
CHECK A/C SWITCH
1. Press A/C switch when AUTO switch is ON, or in manual mode.
2. A/C switch indicator will turn ON.
Confirm that the compressor clutch engages (sound or visual inspection).
NOTE:
If current mode setting is DEF or D/F, compressor clutch may already be engaged.
If NG, go to trouble diagnosis procedure for AT C - 11 5
.
If OK, continue with next check.
CHECKING AUTO MODE
1. Press AUTO switch.
2. Display should indicate AUTO.
If ambient temperature is warm, and selected temperature is cool, confirm that the compressor clutch
engages (sound or visual inspection). (Discharge air and blower speed will depend on ambient, in-vehi-
cle, and set temperatures.)
If NG, go to trouble diagnosis procedure for AT C - 6 1 , "
Power Supply and Ground Circuit for Front Air Control" ,
then if necessary, trouble diagnosis procedure for AT C - 11 5 , "
Magnet Clutch Circuit" .
If all operational checks are OK (symptom cannot be duplicated), go to malfunction Simulation Tests in AT C -
39, "How to Perform Trouble Diagnosis for Quick and Accurate Repair" and perform tests as outlined to simu-
late driving conditions environment. If symptom appears. Refer to AT C - 3 9 , "
How to Perform Trouble Diagnosis
for Quick and Accurate Repair" , AT C - 3 9 , "SYMPTOM TABLE" and perform applicable trouble diagnosis pro-
cedures.

Page 461 of 3383

INFINITI QX56 2006 Factory Service Manual ATC-60
TROUBLE DIAGNOSIS
Revision: November 20092006 QX56
Operational Check (Rear)EJS003XM
The purpose of the operational check is to confirm that the system operates properly.
CHECKING BLOWER
1. Turn

Page 556 of 3383

INFINITI QX56 2006 Factory Service Manual HEATER & COOLING UNIT ASSEMBLYATC-155
C
DE
F
G H
I
K L
M A
B
AT C
Revision: November 2009 2006 QX56
4. Drain the coolant from the engine cooling system. Refer to MA-13, "DRAINING ENGINE COOLANT" .
5.

HEATER & COOLING UNIT ASSEMBLYATC-155
C
DE
F
G H
I
K L
M A
B
AT C
Revision: November 2009 2006 QX56
4. Drain the coolant from the engine cooling system. Refer to MA-13, "DRAINING ENGINE COOLANT" .
5. Disconnect the front heater hoses from the front heater core.
6. Disconnect the high/low pressure pipes from the front expansion valve.
7. Remove the instrument panel and console panel. Refer to IP-10, "
INSTRUMENT PANEL ASSEMBLY" .
8. Remove the steering column. Refer to PS-10, "
STEERING COLUMN" .
9. Disconnect the instrument panel wire harness at the RH and LH in-line connector brackets, and the fuse block (J/B) electrical connectors. Refer to PG-4, "
POWER SUPPLY ROUTING CIRCUIT" .
10. Disconnect the steering member from each side of the vehicle body.
11. Remove the front heater and cooling unit assembly with it attached to the steering member, from the vehi- cle.
CAUTION:
Use care not to damage the seats and interior trim panels when removing the front heater and
cooling unit assembly with it attached to the steering member.
12. Remove the front heater and cooling unit assembly from the steering member.
Installation
Installation is in the reverse order of removal.
CAUTION:
Replace the O-ring of the low-pressure pipe and high-pressure pipe with a new one, and apply
compressor oil to it when installing it.
After charging the refrigerant, check for leaks.
NOTE:
Fill the engine cooling system with the specified coolant mixture. Refer to MA-14, "REFILLING ENGINE
COOLANT" .
Recharge the A/C system. Refer to ATC-171, "Evacuating System and Charging Refrigerant" .
REAR HEATER AND COOLING UNIT ASSEMBLY
Removal
1. Discharge the refrigerant from the A/C system. Refer to ATC-171, "Discharging Refrigerant" .
2. Drain the coolant from the engine cooling system. Refer to MA-13, "
DRAINING ENGINE COOLANT" .
3. Disconnect the rear heater core hoses from the rear heater core.
4. Disconnect the rear A/C pipes from the rear expansion valve.
5. Remove the luggage side finisher lower RH. Refer to EI-35,
"BODY SIDE TRIM" .
6. Disconnect the following electrical connectors:
Rear blower motor
Rear blower motor resistor
Rear air mix door motor
7. Disconnect the ducts from the rear heater and cooling unit assembly.
8. Remove the rear heater and cooling unit assembly.
Installation
Installation is in the reverse order of removal.
CAUTION:
Replace the O-ring of the low-pressure pipe and high-pressure pipe with a new one, and apply
compressor oil to it when installing it.
After charging the refrigerant, check for leaks.
NOTE:
Fill the engine cooling system with the specified coolant mixture. Refer to MA-14, "REFILLING ENGINE
COOLANT" .
Recharge the A/C system. Refer to ATC-171, "Evacuating System and Charging Refrigerant" .
LJIA0021E

Page 600 of 3383

INFINITI QX56 2006 Factory Service Manual AUDIOAV-7
C
DE
F
G H
I
J
L
M A
B
AV
Revision: November 2009 2006 QX56
1. Fuse block (J/B)2. Fuse and fusible link box 3. Front tweeter LH
M109
4. Combination meter M24 5. Center speaker
M110 6. Displa

Page 601 of 3383

INFINITI QX56 2006 Factory Service Manual AV-8
AUDIO
Revision: November 20092006 QX56
System DescriptionEKS00BI8
Refer to Owners Manual for audio system operating instructions.
Power is supplied at all times
through 15A fuse [No. 17, locate

AV-8
AUDIO
Revision: November 20092006 QX56
System DescriptionEKS00BI8
Refer to Owner's Manual for audio system operating instructions.
Power is supplied at all times
through 15A fuse [No. 17, located in the fuse block (J/B)]
to subwoofer terminal 6
through 20A fuse [No. 31, located in the fuse and fusible link box]
to audio unit terminal 6
to BOSE speaker amp. terminal 1
to AV switch terminal 1 and
to display control unit terminal 1.
With the ignition switch in the ACC or ON position, power is supplied
through 10A fuse [No. 4, located in the fuse block (J/B)]
to audio unit terminal 10 and
to AV switch terminal 2 and
to display control unit terminal 10.
With the ignition switch in the ON or START position, power is supplied
through 10A fuse [No. 12, located in the fuse block (J/B)]
to display control unit terminal 12.
Ground is supplied through the case of the audio unit.
Ground is also supplied
to subwoofer terminal 5
through body grounds B7 and B19 and
to BOSE speaker amp. terminal 17
to AV switch terminal 5 and
to display unit terminal 1 and
to display control unit terminal 3
through body grounds M57, M61 and M79.
Then audio signals are supplied
through audio unit terminals 1, 2, 3, 4, 13, 14, 15 and 16
to BOSE speaker amp. terminals 23, 24, 25, 26, 27, 28, 29 and 30.
Audio signals are amplified by the BOSE speaker amp.
The amplified audio signals are supplied
through BOSE speaker amp. terminals 2, 3, 9,10,11,12, 13, 14, 15, 16, 18 and 19
to terminals + and - of front door speaker LH and RH and
to terminals + and - of front tweeter LH and RH and
to terminals + and - of center speaker and
to terminals + and - of rear door speaker LH and RH and
to terminals + and - of rear door tweeter LH and RH and
to terminals 1 and 2 of subwoofer.
When one of steering wheel audio control switches is pushed, the resistance in steering switch circuit changes
depending on which button is pushed.
REAR AUDIO REMOTE CONTROL UNIT
Power is supplied
from audio unit terminal 32
to rear audio remote control unit terminal 13.
Ground is supplied
to rear audio remote control unit terminal 15
through body grounds B117 and B132.
Audio signals are supplied

Load next 8 pages

Page: 1-8 9-16 17-24 25-32 33-40 ... 160 next >

tailgate sunroof driver seat adjustment oil additives fuel cap release odometer