2008 INFINITI QX56 Factory Service Manual

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Page 3977 of 4083

INFINITI QX56 2008 Factory Service Manual BCM (BODY CONTROL MODULE)WT-31
< ECU DIAGNOSIS >
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Self-Diagnosis (With CONSULT-III)INFOID:0000000001735397
FUNCTION
Self-Diagnostic Results Mode
AWEIA0014GB
Revision: Ma

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INFINITI QX56 2008 Factory Service Manual WT-32
< ECU DIAGNOSIS >
BCM (BODY CONTROL MODULE)
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

WT-32
< ECU DIAGNOSIS >
BCM (BODY CONTROL MODULE)
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:0000000001735398
SELF-DIAGNOSTIC PROCEDURE (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 warning 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: March 2010 2008 QX56

Page 3979 of 4083

INFINITI QX56 2008 Factory Service Manual BCM (BODY CONTROL MODULE)WT-33
< ECU DIAGNOSIS >
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Flash Code Malfunction partReference
page
15
16
17
18 Tire pressure dropped below specified value. Refer to
WT-8, "
S

Page 3980 of 4083

INFINITI QX56 2008 Factory Service Manual WT-34
< SYMPTOM DIAGNOSIS >
TPMS
SYMPTOM DIAGNOSIS
TPMS
Symptom TableINFOID:0000000001735399
SymptomReference
Low tire pressure warning lamp does not come on when ignition switch is turned on. WT-35
L

Page 3981 of 4083

INFINITI QX56 2008 Factory Service Manual LOW TIRE PRESSURE WARNING LAMP DOES NOT TURN ON
WT-35
< SYMPTOM DIAGNOSIS >
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LOW TIRE PRESSURE WARNIN G LAMP DOES NOT TURN ON
Low Tire Pressure Warning Lamp Does Not C

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INFINITI QX56 2008 Factory Service Manual WT-36
< SYMPTOM DIAGNOSIS >
LOW TIRE PRESSURE WARNING LAMP STAYS ON
LOW TIRE PRESSURE WARNING LAMP STAYS ON
Low Tire Pressure Warning Lamp Stays On When Ignition Switch Is Turned On
INFOID:00000000017

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INFINITI QX56 2008 Factory Service Manual LOW TIRE PRESSURE WARNING LAMP BLINKSWT-37
< SYMPTOM DIAGNOSIS >
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LOW TIRE PRESSURE WA RNING LAMP BLINKS
Low Tire Pressure Warning Lamp Flas hes When Ignition Switch Is

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INFINITI QX56 2008 Factory Service Manual WT-38
< SYMPTOM DIAGNOSIS >
HAZARD WARNING LAMPS FLASH
HAZARD WARNING LAMPS FLASH
Hazard Warning Lamps Flash When Ignition Switch Is Turned OnINFOID:0000000001735403
DIAGNOSTIC PROCEDURE
1.CHECK BCM G

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