2011 INFINITI QX56 Factory Service Manual

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Page 5497 of 5598

INFINITI QX56 2011 Factory Service Manual
C1755, C1756, C1757, C1758 POOR RECEIVING CONDITIONS
WT-47
< DTC/CIRCUIT DIAGNOSIS >
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C1755, C1756, C1757, C1758 PO OR RECEIVING CONDITIONS
DTC LogicINFOID:000000000622

C1755, C1756, C1757, C1758 POOR RECEIVING CONDITIONS
WT-47
< DTC/CIRCUIT DIAGNOSIS >
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C1755, C1756, C1757, C1758 PO OR RECEIVING CONDITIONS
DTC LogicINFOID:0000000006225522
DTC DETECTION LOGIC
CAUTION:
If DTC C1755, C1756, C1757, or C1758 is detected al ong with, C1708, C1709, C1710, or C1711 first diag-
nose C1755, C1756, C1757, or C1758.
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION
With CONSULT-III
1. Drive for 3 minutes at a speed of 40 km/h (25 MPH) or more, then drive normally for 10 minutes.
2. Stop the vehicle.
3. Perform self-diagnosis for “AIR PRESSURE MONITOR”.
Is DTC
“C1755”, “C1756”, “C1757”, or “C1758 ” detected?
YES >> Proceed to WT-47, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006225523
1.TRANSMITTER ID REGISTRATION
Perform transmitter ID registration. Refer to WT-29, "
Work Procedure".
Is transmitter ID registration completed?
YES >> GO TO 2.
NO >> Change the work location and perform ID registration again, then proceed to WT-60,
"DiagnosisProcedure".
2.CHECK TIRE PRESSURE SIGNAL
With CONSULT-III
1. Drive for 3 minutes at a speed of 40 km/h (25 MPH) or more, then drive normally for 10 minutes.
2. Stop the vehicle.
3. Select “DATA MONITOR” for “AIR PRESSURE MONITOR” with CONSULT-III.
4. Within 5 minutes after vehicle stopped, check t hat the tire pressures match the standard value.
DTC Display Item Malfunction detected condition Possible causes
C1755 PR RECEIV COND FL The data signal from the front LH wheel transmitter cannot be
detected due to external electromagnetic interference for 10
minutes or more.
(DTC C1708 is displayed at the same time.)
External electromagnetic
interference
C1756 PR RECEIV COND FR
The data signal from the front RH wheel transmitter cannot be
detected due to external electromagnetic interference for 10
minutes or more.
(DTC C1709 is displayed at the same time.)
C1757 PR RECEIV COND RR The data signal from the rear RH wheel transmitter cannot be
detected due to external electromagnetic interference for 10
minutes or more.
(DTC C1710 is displayed at the same time.)
C1758 PR RECEIV COND RL The data signal from the rear LH wheel transmitter cannot be
detected due to external electromagnetic interference for 10
minutes or more.
(DTC C1711 is displayed at the same time.)
Monitor item Displayed value
AIR PRESS FL Approximately equal to the indication on tire gauge value for front LH tire
AIR PRESS FR Approximately equal to the indication on tire gauge value for front RH tire
Revision: 2010 May2011 QX56

Page 5498 of 5598

INFINITI QX56 2011 Factory Service Manual
WT-48
< DTC/CIRCUIT DIAGNOSIS >
C1755, C1756, C1757, C1758 POOR RECEIVING CONDITIONS
Is the inspection result normal?
YES >> GO TO 3.
NO >> Change the work location, then GO TO 1.
3.CHECK SELF-DIAGNO

Page 5499 of 5598

INFINITI QX56 2011 Factory Service Manual
U1000 CAN COMM CIRCUITWT-49
< DTC/CIRCUIT DIAGNOSIS >
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U1000 CAN COMM CIRCUIT
DescriptionINFOID:0000000006225524
CAN (Controller Area Network) is a serial communication

Page 5500 of 5598

INFINITI QX56 2011 Factory Service Manual
WT-50
< DTC/CIRCUIT DIAGNOSIS >
U1010 CONTROL UNIT (CAN)
U1010 CONTROL UNIT (CAN)
DescriptionINFOID:0000000006225527
CAN (Controller Area Network) is a serial communication line for real time applica

Page 5501 of 5598

INFINITI QX56 2011 Factory Service Manual
POWER SUPPLY AND GROUND CIRCUITWT-51
< DTC/CIRCUIT DIAGNOSIS >
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POWER SUPPLY AND GROUND CIRCUIT
Diagnosis ProcedureINFOID:0000000006225530
1.CHECK FUSE/FUSIBLE LINK
1.

Page 5502 of 5598

INFINITI QX56 2011 Factory Service Manual
WT-52
< DTC/CIRCUIT DIAGNOSIS >
LOW TIRE PRESSURE WARNING LAMP
LOW TIRE PRESSURE WARNING LAMP
Component Function CheckINFOID:0000000006225531
1.CHECK LOW TIRE PRESSURE WARNING LAMP OPERATION
Check th

Page 5503 of 5598

INFINITI QX56 2011 Factory Service Manual
TPMS SYMPTOMSWT-53
< SYMPTOM DIAGNOSIS >
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SYMPTOM DIAGNOSIS
TPMS SYMPTOMS
Symptom TableINFOID:0000000006225533
LOW TIRE PRESSURE WARNING LAMP SYMPTOM CHART
Revision: 20

Page 5504 of 5598

INFINITI QX56 2011 Factory Service Manual
WT-54
< SYMPTOM DIAGNOSIS >
TPMS SYMPTOMS
Diagnosis items Symptom
(Ignition switch ON) Low tire pressure wa
rning lamp Cause Action
Low tire
pressure
warning
lamp The low tire pressure
warning la

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