2005 INFINITI QX4 ECO mode

PG-22
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
Revision: October 20052005 QX56
Auto Active TestEKS00BN6
DESCRIPTION

In auto active test mode, operation inspection can be performed when IPDM E/R sends a drive signal to
the following systems:
–Rear window defogger
–Front wipers
–Tail and parking lamps
–Front fog lamps
–Headlamps (Hi, Lo)
–A/C compressor (magnet clutch)
–Cooling fan
OPERATION PROCEDURE
1. Close hood and front door RH, and lift wiper arms away from windshield (to prevent glass damage by
wiper operation).
NOTE:
When auto active test is performed with hood opened, sprinkle water on windshield beforehand.
2. Turn ignition switch OFF.
3. Turn ignition switch ON and, within 20 seconds, press front door switch LH 10 times. Then turn ignition
switch OFF.
4. Turn ignition switch ON within 10 seconds after ignition switch OFF.
5. When auto active test mode is actuated, horn chirps once.
6. After a series of operations is repeated three times, auto active test is completed.
NOTE:
When auto active test mode has to be cancelled halfway, turn ignition switch OFF.
CAUTION:
Be sure to perform BL-92, "
Door Switch Check" when the auto active test cannot be performed.
INSPECTION IN AUTO ACTIVE TEST MODE

When auto active test mode is actuated, the following seven steps are repeated three times.
Cornering lamp output CORNERING LAMP —
Horn output HORN With a certain ON-OFF operation, the horn relay can be operated.Test name CONSULT-II screen display Description
WKIA1972E

PR-4
FRONT PROPELLER SHAFT
Revision: October 20052005 QX56
FRONT PROPELLER SHAFTPFP:37200
On-Vehicle ServiceEDS001W5
PROPELLER SHAFT VIBRATION
NOTE:
If a vibration is present at high speed, inspect the propeller shaft run out first.
1. Measure the run out of the propeller shaft tube at several points
by rotating the final drive companion flange with your hands.
2. If the run out still exceeds specifications, disconnect the propel-
ler shaft at the final drive companion flange; then rotate the com-
panion flange 90°, 180°, 270° degrees and reconnect the
propeller shaft.
3. Check the run out again. If the run out still exceeds specifica-
tions, replace the propeller shaft assembly.
4. After installation, check for vibration by driving the vehicle.
INSPECTION
Inspect the propeller shaft tube for dents or cracks. If damaged, replace the propeller shaft assembly.
Removal and InstallationEDS001W6
Model 2F1310
Propeller shaft run out limit : 0.6 mm (0.024 in) or less
SDIA1759E
WDIA0047E
1. Propeller shaft tube 2. Snap ring 3. Journal bearing
4. Journal 5. Flange yoke

PR-8
REAR PROPELLER SHAFT
Revision: October 20052005 QX56
REAR PROPELLER SHAFTPFP:37000
On-Vehicle ServiceEDS001W8
PROPELLER SHAFT VIBRATION
NOTE:
If vibration is present at high speed, check propeller shaft run out first, then check mounting between propeller
shaft and companion flange.
1. Measure the run out of the propeller shaft tube at several points
by rotating the final drive companion flange with your hands.
2. If the run out still exceeds specifications, disconnect the propel-
ler shaft at the final drive companion flange; then rotate the com-
panion flange 90°, 180°, 270° degrees and reconnect propeller
shaft.
3. Check the run out again. If the run out still exceeds specifica-
tions, replace the propeller shaft assembly.
4. After installation, check for vibration by driving vehicle.
INSPECTION
Inspect the propeller shaft tube for dents or cracks. If damaged, replace the propeller shaft assembly.
Removal and InstallationEDS001W9
Model 2S1350
Propeller shaft run out limit : 1.02 mm (0.0402 in) or less
SDIA1781E
WDIA0048E
1. Propeller shaft tube 2. Snap ring 3. Journal bearing
4. Sleeve yoke 5. Journal 6. Flange yoke

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
RSU-19
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RSU
Revision: October 20052005 QX56
Exhaust Valve Solenoid System InspectionEES001HB
INSPECTION PROCEDURE
1. SELF-DIAGNOSIS RESULT CHECK
Check self-diagnosis results.
Is the above displayed in the self-diagnosis display items?
YES >> If code C1803 was retrieved during self-diagnosis, GO TO 3. If code C1805 was retrieved during
self-diagnosis, GO TO 2.
NO >> Inspection End.
2. CHECK SYSTEM OPERATION
1. Load vehicle to standard laden condition (with driver, front passenger, 2 passengers in second row seats
and no cargo).
2. Conduct active test of "COMPRESSOR" to raise vehicle ride height to +20mm.
CAUTION:
The "COMPRESSOR" active test will remain ON until it is turned off using CONSULT-II. Allowing
the compressor to run for an extended period of time may cause damage to air suspension sys-
tem components due to excessive pressure in the air suspension system.
3. Return the rear load leveling air suspension system to normal operating mode.
4. Check self-diagnostic results.
Is code C1805 displayed again?
YES >> GO TO 3.
NO >> Inspection End.
3. CONNECTOR INSPECTION
1. Disconnect suspension control unit connector B3 and suspension air compressor C9.
2. Check the terminals for deformation, disconnection, looseness or damage.
OK or NG
OK >> If code C1805 was retrieved during self-diagnosis, GO TO 4. If code C1803 was retrieved during
self-diagnosis, GO TO 6.
NG >> Repair or replace as necessary.
4. AIR HOSE INSPECTION
Inspect for pinched or damaged air hoses between the suspension air reservoir and each load leveling rear air
suspension shock absorber.
OK or NG
OK >> GO TO 5.
NG >> Repair or replace as necessary.
Self-diagnosis results
C1803
C1805

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
RSU-21
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RSU
Revision: October 20052005 QX56
2. CHECK SYSTEM OPERATION
1. Load vehicle to standard laden condition (with driver, front passenger, 2 passengers in second row seats
and no cargo).
2. Conduct active test of "EXHAUST SOLENOID" to lower vehicle ride height to -20mm.
3. Return the rear load leveling air suspension system to normal operating mode.
4. Check self-diagnostic results.
Is code C1804 or C1808 displayed again?
YES >> GO TO 3.
NO >> Inspection End.
3. CONNECTOR INSPECTION
1. Disconnect suspension control unit connector B3 and suspension air compressor C9.
2. Check the terminals for deformation, disconnection, looseness or damage.
OK or NG
OK >> If code C1804 or C1808 was retrieved during self-diagnosis, GO TO 4. If code C1802 was
retrieved during self-diagnosis, GO TO 6.
NG >> Repair or replace as necessary.
4. AIR HOSE INSPECTION
Inspect for pinched or damaged air hoses between the suspension air reservoir and each load leveling rear air
suspension shock absorber.
OK or NG
OK >> GO TO 5.
NG >> Repair or replace as necessary.
5. SUSPENSION AIR COMPRESSOR INSPECTION
Apply 12V to suspension air compressor C9 terminal 2 and body
ground to suspension air compressor C9 terminal 1.
OK or NG
OK >> GO TO 6.
NG >> Replace the suspension air compressor. Refer to RSU-
42, "REAR LOAD LEVELING AIR SUSPENSION COM-
PRESSOR ASSEMBLY" . System air pressure should vent.
WEIA0066E

AUTOMATIC DRIVE POSITIONER
SE-35
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Revision: October 20052005 QX56
Preliminary CheckEIS004XN
SETTING CHANGE FUNCTION
The settings of the automatic driving positioner system can be changed, using CONSULT-II and the display in
the center of the instrument panel.
×: Applicable –: Not applicable
It is possible to set sliding front seat for entry/exit of vehicle by pressing set switch.
*: Setting of sliding front seat for entry/exit of vehicle is ON at factory-shipment. But if custom settings are reset, setting turns OFF.
NOTE:
After the setting is registered, the new setting is effective, even if the battery is disconnected.
POWER SUPPLY AND GROUND CIRCUIT INSPECTION
1. CHECK BCM FUSES AND FUSIBLE LINK
Check if any of the following fuses in the BCM are blown.
NOTE:
Refer to SE-11, "
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-
63, "ELECTRICAL UNITS LOCATION" .
Setting item ContentCONSULT–II
(WORK SUPPORT)Display unitDefault
settingFactory
setting
SEAT SLIDE
VOLUME SETThe distance at exiting opera-
tion can be selected from the
following 3 modes.40mm
—××
80mm — —
150mm — —
Sliding Front Seat and
Steering Wheel Raise
When Entry/ Exiting
Veh icleThe seat sliding and steering
wheel raise turnout and return
at entry/exit can be selected:
ON (operated)–OFF (not
operated)ON ON: Indicator lamp ON —×
OFF OFF: Indicator lamp OFF×—
Reset custom settings* All settings to default. —Default: Setting button
ON——
Content Setting change operation Indicator LEDs
The seat sliding and steering
wheel raise turnout and return
at entry/exit can be operated.
Press the set switch for more than 10 secondsBlinking twice
The seat sliding and steering
wheel raise turnout and return
at entry/exit can be not oper-
ated.Blinking once
Unit Power source Fuse No.
BCMBattery power supplyf (50A)
ON or START power supply 59 (10A)
ACC or ON power supply 4 (10A)

SRS-18
TROUBLE DIAGNOSIS
Revision: October 20052005 QX56
CONSULT-II Function (AIR BAG)EHS001BA
CONSULT-II can display each diagnostic item using the diagnostic test modes shown following.
CONSULT-II FunctionEHS0016Q
HOW TO CHANGE SELF-DIAGNOSIS MODE WITH CONSULT-II
From User Mode to Diagnosis Mode
After selecting “AIR BAG” on the “SELECT SYSTEM” screen, User mode automatically changes to Diagnosis
mode.
From Diagnosis Mode to User Mode
To return to User mode from Diagnosis mode, touch “BACK” key of CONSULT-II until “SELECT SYSTEM”
appears, Diagnosis mode automatically changes to User mode.
AIR BAG diagnostic mode Description
SELF-DIAG [CURRENT]A current Self-diagnosis result (also indicated by the number of warning lamp flashes in the Diagnosis
mode) is displayed on the CONSULT-II screen in real time. This refers to a malfunctioning part requir-
ing repairs.
SELF-DIAG [PAST]Diagnosis results previously stored in the memory are displayed on the CONSULT-II screen. The
stored results will remain until memory erasing is executed.
TROUBLE DIAG RECORDWith TROUBLE DIAG RECORD, diagnosis results previously erased by a reset operation can be dis-
played on the CONSULT-II screen.
ECU DISCRIMINATED NO.The air bag diagnosis sensor unit for each vehicle
model is assigned with its own, individual classifi-
cation number. This number will be displayed on
the CONSULT-II screen, as shown. When replac-
ing the air bag diagnosis sensor unit, refer to the
part number for the compatibility. After installation,
replacement with a correct unit can be checked by
confirming this classification number on the CON-
SULT-II screen.
For INFINITI MODEL JA60, the air bag diagno-
sis sensor unit discriminated number assigned
is F62B.
ARS3 66
SRS8 03
SRS8 04

TROUBLE DIAGNOSIS
SRS-19
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SRS
Revision: October 20052005 QX56
HOW TO ERASE SELF-DIAGNOSIS RESULTS

“SELF-DIAG [CURRENT]”
A current self-diagnosis result is displayed on the CONSULT-II
screen in real time.
After the malfunction is repaired completely, no malfunction is
detected on “SELF-DIAG [CURRENT]”.

“SELF-DIAG [PAST]”
Return to the “SELF-DIAG [CURRENT]” CONSULT-II screen by
touching “BACK” key of CONSULT-II and select “SELF-DIAG
[PAST]” in SELECT DIAG MODE. Touch “ERASE” in “SELF-
DIAG [PAST]” mode.
NOTE:
If the memory of the malfunction in “SELF-DIAG [PAST]” is
not erased, the User mode will continue to show the system
malfunction by the operation of the warning lamp even if
the malfunction is repaired completely.

“TROUBLE DIAG RECORD”
The memory of “TROUBLE DIAG RECORD” cannot be erased.
Self-Diagnosis Function (Without CONSULT-II)EHS0016R

The reading of these results is accomplished using one of two modes — “User mode” and “Diagnosis
mode”.

After a malfunction is repaired, turn the ignition switch OFF for at least one second, then back ON. Diag-
nosis mode returns to the User mode. At that time, the self-diagnostic result is cleared.
HOW TO CHANGE SELF-DIAGNOSIS MODE
SRS7 01
SRS7 02
SHIA0183E