ignition INFINITI QX56 2006 Factory Service Manual
[x] Cancel search | Manufacturer: INFINITI, Model Year: 2006, Model line: QX56, Model: INFINITI QX56 2006Pages: 3383, PDF Size: 51.76 MB
Page 2227 of 3383
GW-82
REAR WINDOW DEFOGGER
Revision: November 20092006 QX56
6. Touch “REAR DEFOGGER ”.
7. Select diagnosis mode, “DATA MONITOR” and “ACTIVE TEST ”.
DATA MONITOR
Display Item List
ACTIVE TEST
Display Item List
Trouble Diagnoses Symptom ChartEIS005YV
Make sure other systems using the signal of the following systems operate normally.
LIIA0153E
BCIA0031E
Monitor item “Operation ” Content
REAR DEF SW “ON/OFF ”Displays
“Press (ON)/others (OFF) ” status determined with the rear window defogger
switch.
IGN ON SW “ON/OFF ”Displays “IGN (ON)/OFF ” status determined with the ignition switch signal.
Test item Content
REAR WINDOW DEFOGGER Gives a drive signal to the rear window defogger to activate it.
Symptom Diagnoses / Service procedureRefer to page
Rear window defogger and door mirror defoggers do not
operate. 1. BCM power supply and ground circuit check
GW-84
2. IPDM E/R auto active test check PG-24
3. Rear window defogger switch circuit checkGW-85
4. Rear window defogger circuit checkGW-86
5. Replace IPDM E/ R PG-30
Rear window defogger does not operate but both of door
mirror defoggers operate. 1. Rear window defogger circuit check
GW-862. Filament checkGW-86
3. Replace IPDM E/R PG-30
Both door mirror defoggers do not operate but rear win-
dow defogger operates. 1. Door mirror defogger power supply circuit check
GW-87
2. Replace IPDM E/R PG-30
Door mirror defogger LH does not operate. 1. Door mirror LH (door mirror defogger) circuit checkGW-89
Page 2229 of 3383
![INFINITI QX56 2006 Factory Service Manual GW-84
REAR WINDOW DEFOGGER
Revision: November 20092006 QX56
BCM Power Supply and Ground Circuit CheckEIS005YW
1. CHECK FUSES AND FUSIBLE LINK
Check 10A fuse (No. 8, located in the fuse block (J/B)]](/img/42/57028/w960_57028-2228.png "INFINITI QX56 2006 Factory Service Manual GW-84
REAR WINDOW DEFOGGER
Revision: November 20092006 QX56
BCM Power Supply and Ground Circuit CheckEIS005YW
1. CHECK FUSES AND FUSIBLE LINK
Check 10A fuse (No. 8, located in the fuse block (J/B)]")
GW-84
REAR WINDOW DEFOGGER
Revision: November 20092006 QX56
BCM Power Supply and Ground Circuit CheckEIS005YW
1. CHECK FUSES AND FUSIBLE LINK
Check 10A fuse (No. 8, located in the fuse block (J/B)]
Check 10A fuse (No. 59, located in the fuse and relay box)
Check 50A fusible link (letter f , located in the fuse and fusible link box)
NOTE:
Refer to GW-74, "
Component Parts and Harness Connector Location" .
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to PG-
4, "POWER SUPPLY ROUTING CIRCUIT" .
2. CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch ON.
2. Check voltage between BCM connector M18, M20 terminals 38, 70
and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3. CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM.
3. Check continuity between BCM connector M20 terminal 67 and ground.
OK or NG
OK >> BCM power supply and ground circuit is OK.
NG >> Repair or replace harness. 70 - Ground
: Battery voltage
38 - Ground : Battery voltage
LIIA0914E
67 - Ground : Continuity should exist.
LIIA0915E
Page 2230 of 3383
REAR WINDOW DEFOGGERGW-85
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Revision: November 2009 2006 QX56
Rear Window Defogger Switch Circuit CheckEIS005YX
1. CHECK REAR WINDOW DEFOGGER SWITCH OPERATION
With CONSULT-II
Check ( “REAR DEF SW ”, “IGN ON SW ”) in DATA MONITOR mode
with CONSULT-II. Refer to GW-82, "
DATA MONITOR" .
Without CONSULT-II
1. Turn ignition switch ON.
2. Check voltage between BCM connector and ground.
OK or NG
OK >> Rear window defogger switch check is OK.
NG >> GO TO 2.
2. CHECK REAR WINDOW DEFOGGER SWITCH CIRCUIT HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect BCM and front air control.
3. Check continuity between BCM connector M18 terminal 9 and front air control connector M49 terminal 11.
4. Check continuity between BCM connector M18 terminal 9 and ground
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness. When rear window defogger switch is turned to ON
REAR DEF SW
: ON
When ignition switch is turned to ON
IGN ON SW : ON
PIIA2373E
ConnectorTerminals
ConditionVoltage (V)
(Approx.)
(+) (-)
M18 9 Ground Rear window defogger
switch is pressed.
0
Rear window defogger
switch is OFF. 5
WIIA0523E
9 - 11
: Continuity should exist.
9 - Ground : Continuity should not exist.
LIIA2035E
Page 2231 of 3383
GW-86
REAR WINDOW DEFOGGER
Revision: November 20092006 QX56
3. CHECK BCM OUTPUT SIGNAL
1. Connect BCM.
2. Turn ignition switch ON.
3. Check voltage between BCM connector M18 terminal 9 and ground.
OK or NG
OK >> Replace front air control. Refer to ATC-144, "FRONT
AIR CONTROL" .
NG >> Replace BCM. Refer to BCS-20, "
BCM" .
Rear Window Defogger Circuit CheckEIS0062Z
1. CHECK FUSES
Check if any of the following fuses in IPDM E/R are blown.
NOTE:
Refer to GW-74, "
Component Parts and Harness Connector Location" .
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse, refer to GW-
74, "Component Parts and Harness Connector Location" .
2. CHECK REAR WINDOW DEFOGGER POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear window defogger.
3. Turn ignition switch ON.
4. Check voltage between rear window defogger connector D406 terminal + and ground.
OK or NG
OK >> GO TO 3.
NG >> GO TO 4. 9 - Ground
: Approx. 5
WIIA0523E
COMPONENT PARTS AMPEREFUSE NO.
IPDM E/R 15A46
IPDM E/R 15A47
ConnectorTerminals
ConditionVoltage (V)
(Approx.)
(+) (-)
D406 + Ground Rear window defogger
switch ON.
Battery voltage
Rear window defogger
switch OFF. 0
LIIA0655E
Page 2232 of 3383
REAR WINDOW DEFOGGERGW-87
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Revision: November 2009 2006 QX56
3. CHECK REAR WINDOW DEFOGGER GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between rear window defogger connector D604 terminal - and ground.
OK or NG
OK >> Check filament. Refer to GW-91, "Filament Check" .
If filament is OK.
Check the condition of the harness and the connector.
If filament is NG.
Repair filament.
NG >> Repair or replace harness.
4. CHECK REAR WINDOW DEFOGGER RELAY OUTPUT SIGNAL
1. Turn ignition switch ON.
2. Check voltage between IPDM E/R connector E124 terminal 60 and ground.
OK or NG
OK >> Replace IPDM E/R. Refer to PG-30, "Removal and Installation of IPDM E/R" .
NG >> Repair or replace harness.
Door Mirror Defogger Power Supply Circuit CheckEIS005Z0
1. CHECK FUSE
Check if any of the following fuses in fuse block (J/B) are blown.
NOTE:
Refer to GW-74, "
Component Parts and Harness Connector Location" .
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to
GW-74, "
Component Parts and Harness Connector Location" .
- - Ground
: Continuity should exist.
LIIA0409E
ConnectorTerminals
ConditionVoltage (V)
(Approx.)
(+) (-)
E124 60 Ground Rear window defogger
switch ON.
Battery voltage
Rear window defogger
switch OFF. 0
WIIA0525E
COMPONENT PARTS
AMPEREFUSE NO.
IPDM E/R 15A43
Page 2233 of 3383
GW-88
REAR WINDOW DEFOGGER
Revision: November 20092006 QX56
2. CHECK DOOR MIRROR DEFOGGER POWER SUPPLY CIRCUIT 2
Check voltage between IPDM E/R connector and ground.
OK or NG
OK >> GO TO 3.
NG >> Replace IPDM E/R. Refer to PG-30, "
Removal and
Installation of IPDM E/R" .
3. CHECK DOOR MIRROR DEFOGGER CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R and door mirror LH or RH.
3. Check continuity between IPDM E/R connector E120 terminal 23 and door mirror connector D4 (LH) or D107 (RH) terminal 10.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness.
4. CHECK DOOR MIRROR DEFOGGER GROUND CIRCUIT
Check continuity between each door mirror connector D4 (LH) or
D107 (RH) terminal 11 and ground.
OK or NG
OK >> GO TO 5.
NG >> Repair or replace harness.
5. CHECK DOOR MIRROR DEFOGGER
Check continuity between each door mirror LH or RH terminals 10
and 11.
OK or NG
OK >> Check the condition of the harness and the connector.
NG >> Replace malfunctioning door mirror LH or RH. Refer to GW-94, "
Door Mirror Assembly" .
Connector Terminals
ConditionVoltage (V)
(Approx.)
(+) (-)
E120 23 Ground Rear window defogger
switch ON
Battery voltage
Rear window defogger
switch OFF 0
LIIA0977E
23 - 10
: Continuity should exist.
WIIA0529E
11 - Ground: Continuity should exist.
LIIA1454E
10 - 11 : Continuity should exist.
LIIA2725E
Page 2234 of 3383
REAR WINDOW DEFOGGERGW-89
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Revision: November 2009 2006 QX56
Door Mirror LH (Door Mirror Defogger) Circuit CheckEIS005Z1
1. CHECK DOOR MIRROR DEFOGGER POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect door mirror LH.
3. Turn ignition switch ON.
4. Check voltage between door mirror LH connector and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace harness.
2. CHECK DOOR MIRROR DEFOGGER GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between door mirror LH connector D4 terminal 11 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3. CHECK DOOR MIRROR DEFOGGER
Check continuity between door mirror LH terminals 10 and 11.
OK or NG
OK >> Repair or replace harness.
NG >> Replace door mirror LH. Refer to GW-94, "
Door Mirror
Assembly" .
ConnectorTe r m i n a l s
ConditionVoltage (V)
(Approx.)
(+) (-)
D4 10 Ground Rear window defogger
switch ON
Battery voltage
Rear window defogger
switch OFF 0
LIIA1456E
11 - Ground
: Continuity should exist.
LIIA1458E
10 - 11 : Continuity should exist.
LIIA2725E
Page 2235 of 3383
GW-90
REAR WINDOW DEFOGGER
Revision: November 20092006 QX56
Door Mirror RH (Door Mirror Defogger) Circuit CheckEIS005Z2
1. CHECK DOOR MIRROR DEFOGGER POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect door mirror RH.
3. Turn ignition switch ON.
4. Check voltage between door mirror RH connector and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace harness.
2. CHECK DOOR MIRROR DEFOGGER GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between door mirror RH connector D107 termi- nal 11 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3. CHECK DOOR MIRROR DEFOGGER
Check continuity between each door mirror RH terminals 10 and 11.
OK or NG
OK >> Repair or replace harness.
NG >> Replace door mirror RH. Refer to GW-94, "
Door Mirror
Assembly" .
Rear Window Defogger Signal CheckEIS005Z3
1. CHECK AV COMMUNICATION LINE
AV communication line check is executed. Refer to AV- 4 4 , "
Audio Communication Line Check" .
OK or NG
OK >> GO TO 2.
NG >> Replace display control unit. Refer to AV- 1 6 7 , "
DISPLAY CONTROL UNIT" .
ConnectorTerminals
ConditionVoltage (V)
(Approx.)
(+) (-)
D107 10 Ground Rear window defogger
switch ON
Battery voltage
Rear window defogger
switch OFF 0
LIIA1456E
11 - Ground
: Continuity should exist.
LIIA1458E
10 - 11 : Continuity should exist.
LIIA2725E
Is rear window defogger displayed on the display?
Page 2245 of 3383
IDX-4
ALPHABETICAL INDEX
E
ECM input/output signal ..................... EC-105
, EC-129
ECM power supply ............................. EC-145, EC-453
ECM relay ........................................................ EC-145
ECM/PW - Wiring diagram ............................... EC-454
ECTS - Wiring diagram .................................... EC-194
Electric sunroof .................................................. RF-10
Electric throttle control actuator ......... EC-534, EC-545
Electrical load signal circuit .............................. EC-596
Electrical units location ...................................... PG-65
Electronic ignition (EI) system ........................... EC-26
Engine control circuit diagram ......................... EC-103
Engine control component parts location ........... EC-96
Engine control module (ECM) .......................... EC-457
Engine control system diagram ......................... EC-23
Engine coolant .................................................. CO-10
Engine coolant temperature sensor (ECTS) ... EC-192,
EC-205
Engine fail-safe system ...................................... EC-91
Engine oil ............................................................. LU-7
Engine oil filter replacement ............................. MA-17
Engine oil precautions .......................................... GI-7
Engine oil replacement ..................................... MA-17
Engine removal ................................................. EM-74
Engine room cover ............................................ EM-12
Engine serial number .......................................... GI-49
ETC1 - Wiring diagram .................................... EC-535
ETC2 - Wiring diagram .................................... EC-530
ETC3 - Wiring diagram .................................... EC-541
EVAP canister .................................................... EC-35
EVAP canister purge volume control solenoid valve ....
EC-373
, EC-381
EVAP canister vent control valve ....... EC-388, EC-395
EVAP control system (small leak) diagnosis .. EC-365,
EC-419
, EC-427
EVAP control system pressure sensor .... EC-402, EC-
405, EC-411
EVAP control system purge flow monitoring diagnosis
EC-360
EVAP vapor lines inspection ............................. MA-20
Evaporative emission (EVAP) system ............... EC-32
Evaporator ..................................................... ATC-184
Exhaust manifold .............................................. EM-21
Exhaust system ................................................... EX-3
Exhaust system inspection .................................. EX-3
Expansion valve ............................................. ATC-186
F
F/FOG - Wiring diagram ..................................... LT-71
F/PUMP - Wiring diagram ................................ EC-605
Final drive pre-inspection ................................. FFD-15
Final drive removal and installation .. FFD-12, RFD-13
Flow charts ......................................................... GI-28
Fluid temperature sensor (A/T) ........................ AT-127
Fluids ................................................................ MA-11
Fluorescent leak detector .............................. ATC-187
Fog lamp, front .................................................... LT-69
Fog lamp, front, removal and installation ........... LT-79
Foot lamp ......................................................... LT-135
Freeze frame data ............................... EC-53, EC-118
Front brake solenoid valve ................. AT-143, AT-145
Front bumper ...................................................... EI-13
Front case (Transfer) .......................... TF-149, TF-176
Front combination lamp removal and installation LT-31
Front door ............................. BL-128, BL-131, GW-65
Front Door Trim ................................................... EI-32
Front drive shaft (Transfer) ................. TF-149, TF-176
Front fog lamp .................................................... LT-69
Front fog lamp removal and installation ............. LT-79
Front passenger air bag .................................. SRS-50
Front seat ........................................................... SE-91
Front seat belt ...................................................... SB-3
Front seat belt pre-tensioner ............... SRS-3, SRS-57
Front washer ...................................................... WW-4
Front wiper ......................................................... WW-4
FTS - Wiring diagram ....................................... AT-128
FTTS - Wiring diagram ...................... EC-311, EC-316
Fuel cut control (at no load high engine speed) EC-27
Fuel filter replacement ......................................... FL-6
Fuel gauge ............................................................ DI-5
Fuel injection system (Bank 1) .......... EC-288, EC-299
Fuel injection system (Bank 2) .......... EC-288, EC-299
Fuel injector .................................................... EC-598
Fuel injector and fuel tube ................................. EM-31
Fuel level sensor ................. EC-436, EC-438, EC-440
Fuel line inspection .............................................. FL-4
Fuel precautions ................................................... GI-5
Fuel pressure check .......................................... EC-80
Fuel pressure release ....................................... EC-80
Fuel pump ....................................................... EC-604
Fuel pump and gauge .......................................... FL-6
Fuel system .......................................................... FL-4
Fuel tank ............................................................ FL-10
Fuel tank temperature sensor ........... EC-309, EC-315
Fuel tank vacuum relief valve ........................... EC-35
FUELB1 - Wiring diagram ................. EC-290, EC-301
FUELB2 - Wiring diagram ................. EC-292, EC-303
Fuse ...................................................... PG-17, PG-77
Fuse and fusible link box .................................. PG-77
Fuse block ......................................................... PG-76
Fusible link ............................................ PG-17, PG-77
G
Garage jack and safety stand ............................. GI-41
Gauges ................................................................. DI-5
Generator .......................................................... SC-17
Generic scan tool (GST) ................................. EC-127
Glass ...................................... GW-11, GW-65, GW-68
Glove box lamp ................................................ LT-158
GPS antenna ..................................................... AV-85
Grease .............................................................. MA-11
Ground distribution ............................................ PG-31
Page 2246 of 3383
IDX-5
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ALPHABETICAL INDEX
H
H/AIM - Wiring diagram ...................................... LT-66
H/LAMP - Wiring diagram .................................... LT-9
Handling precautions for plastics ..................... BL-187
Harness connector ............................................ PG-68
Harness layout .................................................. PG-41
Hazard warning lamp ......................................... LT-80
Headlamp ............................................................. LT-5
Headlamp aiming control ................................... LT-66
Headlamp leveler - See Headlamp aiming control . LT-
66
Headlamp removal and installation .................... LT-31
Heated oxygen sensor 2 (bank 1) .... EC-253, EC-264,
EC-277
Heated oxygen sensor 2 (bank 2) .... EC-253, EC-264,
EC-277
Heated oxygen sensor 2 heater (bank 1) ........ EC-163
Heated oxygen sensor 2 heater (bank 2) ........ EC-163
Heated seat ....................................................... SE-84
Heater and cooling unit (Heater core) . ATC-153, ATC-
156
Heater unit (heater core) ............... ATC-153, ATC-156
Height (Dimensions) ........................................... GI-50
HFC134a (R134a) system identification ........... ATC-6
HFC134a (R134a) system precaution ............... ATC-5
HFC134a (R134a) system service procedure ATC-171
HFC134a (R134a) system service tools ......... ATC-14
HFC134a system service equipment precaution ATC-
11
High and low reverse clutch solenoid valve .... AT-151,
AT-153
Homelink universal transceiver ........................ BL-156
Horn ................................................................ WW-55
HORN - Wiring diagram .................................. WW-55
How to erase DTC for OBD system .................. EC-61
HSEAT - Wiring diagram ................................... SE-86
I
IATS - Wiring diagram ..................................... EC-189
ICC - Wiring diagram ....................................... ACS-20
ICC/BS - Wiring diagram ................................. EC-504
ICC/SW - Wiring diagram ................................ EC-489
ICCBOF - Wiring diagram ............................... EC-611
Identification plate .............................................. GI-48
Idle air volume learning ..................................... EC-78
Idle speed .............................................. EC-71, EC-76
Idle speed control (ISC) .................... EC-444, EC-446
Ignition coil .......................................... EM-28, EC-618
Ignition control system .................................... EC-618
Ignition key hole illumination ............................ LT-134
Ignition timing ........................................ EC-71, EC-76
IGNSYS - Wiring diagram ............................... EC-619
ILL - Wiring diagram ......................................... LT-163
Illumination ....................................................... LT-157
In vehicle sensor ........................... ATC-137, ATC-146
In-cabin Microfilter ............................................. MA-21
INJECT - Wiring diagram ................................ EC-599
Injector ............................................................. EC-598
Input clutch solenoid valve ................. AT-139, AT-141
Instrument panel .................................................. IP-10
Intake air temperature sensor ............ EC-188, EC-208
Intake door control linkage adjustment . ATC-85, ATC-
88
Intake door motor ........................... ATC-83, ATC-160
Intake manifold .................................................. EM-17
Intake sensor ................................ ATC-142, ATC-148
Integrated homelink transmitter - See Homelink univer-
sal tranceiver .................................................... BL-156
Intelligent cruise control (ICC) system ............... ACS-6
Interior ................................................................. EI-35
Interior lamp ...................................................... LT-134
Interior lamp on-off control ................................ LT-135
Internal gear (Transfer) ....................... TF-149, TF-176
IPDM (Intelligent power distribution module engine
room) ................................................................. PG-18
IVIS (Infiniti vehicle immobilizer system) .......... BL-137
IVIS (Infiniti vehicle immobilizer system) precautions ...
GI-3
J
Jacking points ..................................................... GI-41
Junction box (J/B) .............................................. PG-76
K
Key illumination ................................................ LT-135
KEYLES - Wiring diagram .................................. BL-49
Knock sensor (KS) ........................................... EC-335
KS - Wiring diagram ........................................ EC-336
L
Laser beam aiming adjustment ....................... ACS-12
Length (Dimensions) .......................................... GI-50
License lamp .................................................... LT-111
Lifting points ....................................................... GI-42
Line pressure solenoid valve ........................... AT-122
Line pressure switch (Transfer) .......... TF-154, TF-167
Line pressure test (A/T) ..................................... AT-52
Location of electrical units ................................. PG-65
Low coast brake solenoid valve .......... AT-155, AT-157
Low tire pressure warning system ...................... WT-8
Low tire pressure warning system - trouble diagnoses
WT-11
Low tire pressure warning system - Wiring diagram .....
WT-11
Lubricant (R134a) A/C ..................................... ATC-22
Lubricants .......................................................... MA-11
Lubrication circuit (engine) .................................. LU-5
Lubrication oil A/C ........................................... ATC-22
Lubrication-locks, hinges and hood latches ....... MA-31
M
MAFS - Wiring diagram ..................... EC-174
, EC-182