Infiniti G35 (V35) Sedan. Manual — part 1473
WT-80
< SYMPTOM DIAGNOSIS >
LOW TIRE PRESSURE WARNING LAMP STAYS ON
LOW TIRE PRESSURE WARNING LAMP STAYS ON
Description
INFOID:0000000000957916
DESCRIPTION
The tire pressure monitoring system is checked and the warning lamp is illuminated for approximately 1 sec-
ond when the ignition switch is turned ON. The warning lamp turns OFF after the system check finishes.
The system may be malfunctioning if the warning lamp does not turn off approximately 1 second after the igni-
tion switch is turned ON.
Diagnosis Procedure
INFOID:0000000000957917
1.
CHECK SYSTEM FOR BCM
With CONSULT-III
1.
On “SELF-DIAG” mode, select the “SELF-DIAG RESULTS” screen.
2.
Check display contents in self-diagnostic results.
Does self-diagnostic results indicate any malfunction?
YES
>> Perform trouble diagnosis. Refer to
WT-12, "AIR PRESSURE MONITOR : CONSULT-III Function
.
NO
>> GO TO 2.
2.
CHECK ID REGISTRATION
Perform ID registration all transmitters. Refer to
WT-5, "ID REGISTRATION PROCEDURE : Special Repair
Does low tire warning lamp turn OFF?
YES
>> INSPECTION END
NO
>> GO TO 3.
3.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch “OFF”.
2.
Disconnect BCM harness connector.
3.
Check voltage between BCM and harness connector terminals and ground.
Is the power supply normal?
YES
>> GO TO 3.
NO
>>
Check the following. If any items are damaged, repair or replace damage parts.
• 40 A fusible link [No. K located in the fuse block]. Refer to
.
• 10 A fuse [No. 10 located in the fuse block (J/B)]. Refer to
PG-93, "Fuse, Connector and Termi-
• Harness for short or open between battery and BCM harness connector M118 terminal 1.
• Harness for short or open between battery and BCM harness connector M119 terminal 11.
• Check battery voltage.
4.
CHECK GROUND CIRCUIT
1.
Turn ignition switch “OFF”.
2.
Disconnect BCM harness connector.
3.
Check continuity between BCM harness connector M119 terminal 13 and ground.
(+)
(–)
Voltage (Approx.)
BCM
Ground
Connector
Terminal
M118
1
Battery voltage
M119
11
LOW TIRE PRESSURE WARNING LAMP STAYS ON
WT-81
< SYMPTOM DIAGNOSIS >
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Also check harness short to power.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair open circuit or short to power in harness or connectors.
5.
CHECK SYMPTOM
Check again.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> GO TO 6.
6.
CHECK BCM
Check BCM input/output signal. Refer to
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 7.
7.
CHECK BCM HARNESS CONNECTOR
Check BCM pin terminals for damage or loose connection with harness connector.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-79, "Removal and Installation"
NO
>> Repair or replace damaged parts.
BCM
Ground
Continuity
Connector
Terminal
M119
13
Existed
WT-82
< SYMPTOM DIAGNOSIS >
LOW TIRE PRESSURE WARNING LAMP BLINKS
LOW TIRE PRESSURE WARNING LAMP BLINKS
Description
INFOID:0000000000957918
DESCRIPTION
The low tire pressure warning lamp illuminates or blinks.
However, a check is necessary because the symptom may not be caused by a system malfunction. For exam-
ple, the transmitter may not be initialized.
NOTE:
If warning lamp blinks below, the system is normal.
Blink Mode A
• This mode shows transmitter status is in OFF- mode.
Perform transmitter wake up operation. Refer to
MITTER WAKE UP OPERATION : Special Repair Requirement"
.
Diagnosis Procedure
INFOID:0000000000957919
1.
CHECK TIRE PRESSURE WARNING CHECK SWITCH CIRCUIT
1.
Turn ignition switch “OFF”.
2.
Disconnect BCM harness connectors.
3.
Check continuity between BCM harness connector M123 terminal 149 and ground.
Also check harness for short to ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace short to ground harness connector.
2.
CHECK SYMPTOM
Check again.
Does the low tire pressure warning lamp remain blinking?
YES
>> GO TO 3.
NO
>> INSPECTION END
3.
CHECK BCM
Check BCM input/output signal. Refer to
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> GO TO 4.
4.
CHECK BCM HARNESS CONNECTOR
Check BCM pin terminals for damage or loose connection with harness connector.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-79, "Removal and Installation"
NO
>> repair or replace damaged parts.
SEIA0347E
BCM
Ground
Continuity
Connector
terminal
M123
149
Not existed
TURN SIGNAL LAMP BLINKS
WT-83
< SYMPTOM DIAGNOSIS >
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A
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WT
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TURN SIGNAL LAMP BLINKS
Description
INFOID:0000000000957920
DESCRIPTION
The turn signal lamp blinks when the ignition switch is turned ON.
The BCM connector or circuit may have a malfunction.
Diagnosis Procedure
INFOID:0000000000957921
Turn signal lamp blinks
1.
CHECK TIRE PRESSURE WARNING CHECK SWITCH CIRCUIT
1.
Turn ignition switch “OFF”.
2.
Disconnect BCM harness connector.
3.
Check continuity between BCM harness connector M123 terminal149 and ground.
Also check harness for short to ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace ground in harness or connector.
2.
CHECK SYMPTOM
Check again.
Does the turn signal lamp remain blinking?
YES
>> Check turn signal lamp operation. Refer to
MWI-37, "CONSULT-III Function (METER/M&A)"
NO
>> INSPECTION END
BCM
Ground
Continuity
Connector
Terminal
M123
149
Not existed
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