2011 INFINITI QX56 AUX

IP-24
< REMOVAL AND INSTALLATION >
CENTER CONSOLE ASSEMBLY
CONSOLE FINISHER ASSEMBLY
7. Second heated seat switch LH 8. 120W unit 9. Mask
10. Inner socket 11. Socket knob 12. Console ashtray
13. Mask (without ashtray) 14. Second heated seat switch RH 15. Console hinge cover
16. Console lid assembly 17. Console body assembly 18. Console box
19. Inside key antenna 20. Rear auxiliary input jacks 21. Console ashtray bracket
22. Console rear finisher 23. Rear A/C control: Clip
: Pawl
: Metal clip
JMJIA4230ZZ
1. AT control indicator assembly 2. 4WD: 4WD switch assembly 2WD: SNOW MODE/TOW MODE/
VDC OFF switch assembly3. Console pocket assembly
4. Cup holder assembly 5. Inner socket 6. Socket ring
7. Socket knob 8. USB connector 9. Inner case
10. Coin pocket : Clip
: Pawl
Revision: 2010 May2011 QX56

TM-138
< DTC/CIRCUIT DIAGNOSIS >[7AT: RE7R01B]
P1721 VEHICLE SPEED SIGNAL
P1721 VEHICLE SPEED SIGNAL
DescriptionINFOID:0000000006226854
The vehicle speed signal is transmitted from combinati
on meter to TCM via CAN communication line. The sig-
nal functions as an auxiliary device to the output speed sensor when it is malfunctioning. The TCM will then
use the vehicle speed signal.
DTC LogicINFOID:0000000006226855
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION:
 Always drive vehicle at a safe speed.
 Be careful not to rev engine into the red zone on the tachometer.
1.PRECONDITIONING
If “DTC CONFIRMATION PROCEDURE” is previously c onducted, always turn ignition switch OFF and wait at
least 10 seconds before performing the next test.
>> GO TO 2.
2.CHECK DTC DETECTION
With CONSULT-III
1. Start the engine.
2. Select “VHCL/S SE-A/T” in “Data Monitor” in “TRANSMISSION”.
3. Drive vehicle and maintain the following conditions for 60 seconds or more.
4. Perform “Self Diagnostic Results” in “TRANSMISSION”.
Is
“P1721” detected?
YES >> Go to TM-139, "Diagnosis Procedure".
NO >> INSPECTION END
DTC Trouble diagnosis name DTC is detected if... Possible cause
P1721 Vehicle Speed Signal Circuit  The vehicle speed transmit-
ted from the combination
meter to TCM is 5 km/h
(3MPH) or less when the ve-
hicle speed detected by the
output speed sensor is 20
km/h or more. (Only when
starts after the ignition switch
is turned ON.)
 The vehicle speed detected by the output speed sensor
does not decrease despite
the 36 km/h (23 MPH) or
more of deceleration in vehi-
cle speed received from the
combination meter when the
vehicle speed transmitted
from the combination meter
to TCM is 36 km/h (23 MPH)
or more and the vehicle
speed detected by the output
speed sensor is 24 (15 MPH)
or more. Harness or connectors
(Sensor circuit is open or short-
ed.)
VHCL/S SE-A/T : 40 km/h (25 MPH) or more
Revision: 2010 May2011 QX56