2004 INFINITI QX56 Factory Service Manual

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Page 3289 of 3371

INFINITI QX56 2004 Factory Service Manual WT-10
TROUBLE DIAGNOSES
Revision: August 20072004 QX56
TROUBLE DIAGNOSESPFP:00004
Wiring Diagram — T/WARN —EES00129
WEWA0044E

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INFINITI QX56 2004 Factory Service Manual TROUBLE DIAGNOSES
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Revision: August 20072004 QX56
WEWA0012E

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INFINITI QX56 2004 Factory Service Manual WT-12
TROUBLE DIAGNOSES
Revision: August 20072004 QX56
Terminal and Reference Value (BCM)EES0012A
() : Wire colorTerminal
Item ConditionVoltage (V)
(Approx.)
+–
15 (L/W)
GroundTire pressure warning

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INFINITI QX56 2004 Factory Service Manual TROUBLE DIAGNOSES
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ID Registration ProcedureEES0012B
ID REGISTRATION WITH TRANSMITTER ACTIVATION TOOL
NOTE:
This procedure must be done af

Page 3293 of 3371

INFINITI QX56 2004 Factory Service Manual WT-14
TROUBLE DIAGNOSES
Revision: August 20072004 QX56
ID REGISTRATION WITHOUT TRANSMITTER ACTIVATION TOOL
NOTE:
This procedure must be done after replacement of a low tire pressure warning transmitte

Page 3294 of 3371

INFINITI QX56 2004 Factory Service Manual TROUBLE DIAGNOSES
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Transmitter Wake Up OperationEES0012C
1. With the transmitter activation tool (J-45295) pushed against the
front left t

Page 3295 of 3371

INFINITI QX56 2004 Factory Service Manual WT-16
TROUBLE DIAGNOSES
Revision: August 20072004 QX56
CONSULT-II Function (BCM)EES001PT
CONSULT-II can display each diagnostic item using the diagnostic test modes shown following.
BCM
diagnostic tes

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INFINITI QX56 2004 Factory Service Manual TROUBLE DIAGNOSES
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Self-DiagnosisEES0012D
DESCRIPTION
During driving, the low tire pressure warning system receives the signal transmitted

TROUBLE DIAGNOSES
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Revision: August 20072004 QX56
Self-DiagnosisEES0012D
DESCRIPTION
During driving, the low tire pressure warning system receives the signal transmitted from the transmitter
installed in each wheel, and gives alarms when the tire pressure becomes low. The control unit (BCM) for this
system has pressure judgement and trouble diagnosis functions.
FUNCTION
When the low tire pressure warning system detects low inflation pressure or another unusual symptom, the
warning lamp in the combination meter comes on. To start the self-diagnostic results mode, ground the tire
pressure warning check terminal. The malfunction location is indicated by the low tire pressure warning lamp
flashing and the buzzer sounding.
CONSULT-II
CONSULT-II Application to Low Tire Pressure Warning System
× : Applicable
– : Not applicable
Self-Diagnostic Results Mode
NOTE:
Before performing the self-diagnosis, be sure to register the ID or the actual malfunction location may be different from that displayed on
CONSULT-II.ITEM SELF-DIAGNOSTIC RESULTS DATA MONITOR
Front - Left transmitter××
Front - Right transmitter××
Rear - Left transmitter××
Rear - Right transmitter××
Low tire pressure warning lamp —×
Vehicle speed××
Buzzer (in combination meter) —×
CAN Communication××
Diagnostic item Diagnostic item is detected when ···
FLAT - TIRE - FL
FLAT - TIRE - FR
FLAT - TIRE - RR
FLAT - TIRE - RLFront-left tire pressure drops to 193 kPa (2.0 kg/cm
2 , 28 psi) or less
Front-right tire pressure drops to 193 kPa (2.0 kg/cm2 , 28 psi) or less
Rear-right tire pressure drops to 193 kPa (2.0 kg/cm2 , 28 psi) or less
Rear-left tire pressure drops to 193 kPa (2.0 kg/cm2 , 28 psi) or less
[NO-DATA] - FL
[NO-DATA] - FR
[NO-DATA] - RR
[NO-DATA] - RLData from front-left transmitter cannot be received.
Data from front-right transmitter cannot be received.
Data from rear-right transmitter cannot be received.
Data from rear-left transmitter cannot be received.
[CHECKSUM- ERR] - FL
[CHECKSUM- ERR] - FR
[CHECKSUM- ERR] - RR
[CHECKSUM- ERR] - RLChecksum data from front-left transmitter is malfunctioning.
Checksum data from front-right transmitter is malfunctioning.
Checksum data from rear-right transmitter is malfunctioning.
Checksum data from rear-left transmitter is malfunctioning.
[PRESSDATA- ERR] - FL
[PRESSDATA- ERR] - FR
[PRESSDATA- ERR] - RR
[PRESSDATA- ERR] - RLAir pressure data from front-left transmitter is malfunctioning.
Air pressure data from front-right transmitter is malfunctioning.
Air pressure data from rear-right transmitter is malfunctioning.
Air pressure data from rear-left transmitter is malfunctioning.
[CODE- ERR] - FL
[CODE- ERR] - FR
[CODE- ERR] - RR
[CODE- ERR] - RLFunction code data from front-left transmitter is malfunctioning.
Function code data from front-right transmitter is malfunctioning.
Function code data from rear-right transmitter is malfunctioning.
Function code data from rear-left transmitter is malfunctioning.
[BATT - VOLT - LOW] - FL
[BATT - VOLT - LOW] - FR
[BATT - VOLT - LOW] - RR
[BATT - VOLT - LOW] - RLBattery voltage of front-left transmitter drops.
Battery voltage of front-right transmitter drops.
Battery voltage of rear-right transmitter drops.
Battery voltage of rear-left transmitter drops.
VHCL_SPEED_SIG_ERR Vehicle speed signal is in error.

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