2009 INFINITI QX56 Factory Service Manual

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Page 4065 of 4171

INFINITI QX56 2009 Factory Service Manual BCM (BODY CONTROL MODULE)WT-23
< ECU DIAGNOSIS >
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Wiring DiagramINFOID:0000000003772388
ABEWA0003GB
Revision: December 20092009 QX56

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INFINITI QX56 2009 Factory Service Manual WT-24
< ECU DIAGNOSIS >
BCM (BODY CONTROL MODULE)
ABEIA0005GB
Revision: December 20092009 QX56

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INFINITI QX56 2009 Factory Service Manual BCM (BODY CONTROL MODULE)WT-25
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Revision: December 20092009 QX56

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INFINITI QX56 2009 Factory Service Manual WT-26
< ECU DIAGNOSIS >
BCM (BODY CONTROL MODULE)
Self-Diagnosis (With CONSULT-III)
INFOID:0000000003772389
FUNCTION
Self-Diagnostic Results Mode
ABEIA0007GB
Revision: December 20092009 QX56

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INFINITI QX56 2009 Factory Service Manual BCM (BODY CONTROL MODULE)WT-27
< ECU DIAGNOSIS >
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NOTE:
Before performing the self-diagnosis, be sure to register the ID or else the actual malfunction location may be d

BCM (BODY CONTROL MODULE)WT-27
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NOTE:
Before performing the self-diagnosis, be sure to register the ID or else the actual malfunction location may be different from that dis-
played on CONSULT-III.
Self-Diagnosis (Without CONSULT-III)INFOID:0000000004221468
SELF DIAGNOSTIC PROCE DURE (WITHOUT CONSULT-III)
1. Turn ignition switch ON.
2. Ground the tire pressure warning check connector to initiate self diagnosis.
3. Compare the flashing pattern with the flash code chart below.
NOTE:
The system is normal when the low tire pressure warni ng lamp flashes 5 times and continues repeating. Self-
diagnosis results are erased automatically by turning the ignition switch “OFF”.
Diagnostic item Diagnostic item is detected when ··· Reference
page
LOW - PRESSURE - FL [C1704]
LOW - PRESSURE - FR [C1705]
LOW - PRESSURE - RR [C1706]
LOW - PRESSURE - RL [C1707] Tire pressures dropped below specified value. Refer to
WT-8,
"System Description".—
[NO-DATA] - FL [C1708]
[NO-DATA] - FR [C1709]
[NO-DATA] - RR [C1710]
[NO-DATA] - RL [C1711] Data from FL transmitter cannot be received.
Data from FR transmitter cannot be received.
Data from RR transmitter cannot be received.
Data from RL transmitter cannot be received.
WT-14
[CHECKSUM- ERR] - FL [C1712]
[CHECKSUM- ERR] - FR [C1713]
[CHECKSUM- ERR] - RR [C1714]
[CHECKSUM- ERR] - RL [C1715]Checksum data from FL transmitter is malfunctioning.
Checksum data from FR transmitter is malfunctioning.
Checksum data from RR transmitter is malfunctioning.
Checksum data from RL transmitter is malfunctioning.
WT-16
[PRESSDATA- ERR] - FL [C1716]
[PRESSDATA- ERR] - FR [C1717]
[PRESSDATA- ERR] - RR [C1718]
[PRESSDATA- ERR] - RL [C1719]Air pressure data from FL transmitter is malfunctioning.
Air pressure data from FR transmitter is malfunctioning.
Air pressure data from RR transmitter is malfunctioning.
Air pressure data from RL transmitter is malfunctioning.
WT-18
[CODE- ERR] - FL [C1720]
[CODE- ERR] - FR [C1721]
[CODE- ERR] - RR [C1722]
[CODE- ERR] - RL [C1723]Function code data from FL transmitter is malfunctioning.
Function code data from FR transmitter is malfunctioning.
Function code data from RR transmitter is malfunctioning.
Function code data from RL transmitter is malfunctioning.
WT-16
[BATT - VOLT - LOW] - FL [C1724]
[BATT - VOLT - LOW] - FR [C1725]
[BATT - VOLT - LOW] - RR [C1726]
[BATT - VOLT - LOW] - RL [C1727]Battery voltage of FL transmitter drops.
Battery voltage of FR transmitter drops.
Battery voltage of RR transmitter drops.
Battery voltage of RL transmitter drops.
WT-16
VHCL_SPEED_SIG_ERR [C1729]
Vehicle speed signal is in error. WT-19
IGN_CIRCUIT_OPEN [C1735]Vehicle ignition signal is in error. WT-20
ALEIA0050GB
Revision: December 20092009 QX56

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INFINITI QX56 2009 Factory Service Manual WT-28
< ECU DIAGNOSIS >
BCM (BODY CONTROL MODULE)
Flash CodeMalfunction partReference
page
15
16
17
18 Tire pressure dropped below specified value. Refer to
WT-8, "
System
Description". —
21
22

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INFINITI QX56 2009 Factory Service Manual TPMS
WT-29
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SYMPTOM DIAGNOSIS
TPMS
Symptom TableINFOID:0000000003772391
Symptom Reference
Low tire pressure warning lamp does not come on when ign

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INFINITI QX56 2009 Factory Service Manual WT-30
< SYMPTOM DIAGNOSIS >
LOW TIRE PRESSURE WARNING LAMP DOES NOT TURN ON
LOW TIRE PRESSURE WARNING LAMP DOES NOT TURN ON
Low Tire Pressure Warning Lamp Does Not Come On When Ignition Switch Is Tu

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