Nissan Murano Z51. Manual — part 1525
WT-38
< DTC/CIRCUIT DIAGNOSIS >
TIRE PRESSURE WARNING CHECK SWITCH
TIRE PRESSURE WARNING CHECK SWITCH
Component Function Check
INFOID:0000000005576002
1.
CHECK THE ILLUMINATION OF THE LOW TIRE PRESSURE WARNING LAMP
1.
Turn the ignition switch ON.
CAUTION:
Never start the engine.
2.
Short-circuit the tire pressure warning check switch connector terminal to the ground.
3.
Check that the low tire pressure warning lamp blinking.
Is inspection result normal?
YES
>> INSPECTION END
NO
>> Perform diagnosis. Refer to
Diagnosis Procedure
INFOID:0000000005576003
1.
CHECK TIRE PRESSURE WARNING CHECK SWITCH SIGNAL
1.
Turn the ignition switch ON.
CAUTION:
Never start the engine.
2.
Check the voltage between tire pressure warning check switch connector and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
NO
>> GO TO 2.
2.
CHECK TIRE PRESSURE WARNING CHECK SWITCH CIRCUIT
1.
Turn the ignition switch OFF.
2.
Disconnect BCM harness connector
3.
Check the continuity between BCM harness connector and tire pressure warning check switch connector.
4.
Check the continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> Check BCM pin terminals for damage or loose connection with harness connector. If any items
are damaged, repair or replace damaged parts. Replace BCM. Refer to
NO
>> Repair or replace damaged parts.
Tire pressure warning check switch
—
Voltage (Approx.)
Connector
Terminal
M19
1
Ground
11.8 V
BCM
Tire pressure warning check switch
Continuity
Connector
Terminal
Connector
Terminal
Existed
M123
149
M19
1
BCM
—
Continuity
Connector
Terminal
M123
149
Ground
Not existed
LOW TIRE PRESSURE WARNING LAMP
WT-39
< DTC/CIRCUIT DIAGNOSIS >
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LOW TIRE PRESSURE WARNING LAMP
Component Function Check
INFOID:0000000005576004
1.
CHECK THE ILLUMINATION OF THE LOW TIRE PRESSURE WARNING LAMP
Check that the low tire pressure warning lamp is turned OFF after illuminating for approximately 1 second,
when the ignition switch is turned ON.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Perform trouble diagnosis. Refer to
Diagnosis Procedure
INFOID:0000000005576005
1.
POWER SUPPLY AND GROUND CIRCUIT
Check power supply and ground circuit. Refer to
.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace damaged parts.
2.
PERFORM SELF-DIAGNOSIS
With CONSULT-III
Perform “SELF-DIAG RESULTS” in “AIR PRESSURE MONITOR” of “BCM”.
Is any DTC detected?
YES
>> Check the DTC. Refer to
.
NO
>> GO TO 3.
3.
CHECK LOW TIRE PRESSURE WARNING LAMP SIGNAL
With CONSULT-III
1.
Turn the ignition switch ON.
CAUTION:
Never start the engine.
2.
Perform “DATA MONITOR” in “AIR PRESSURE MONITOR” of “BCM”.
3.
Select “BCM” in “DATA MONITOR”, and check that the low tire pressure warning lamp is turned OFF after
illuminating for approximately 1 second, when the ignition switch is turned ON.
Is the inspection result normal?
YES
>> Check the combination meter. Refer to
MWI-6, "METER SYSTEM : System Description"
NO
>> Replace the BCM. Refer to
WT-40
< DTC/CIRCUIT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
POWER SUPPLY AND GROUND CIRCUIT
Diagnosis Procedure
INFOID:0000000005576006
1.
POWER SUPPLY SYSTEM CHECK
1.
Turn the ignition switch OFF.
2.
Disconnect the BCM harness connector.
3.
Turn the ignition switch ON.
CAUTION:
Never start the engine.
4.
Check the voltage between the BCM harness connector and the ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace damaged parts.
2.
GROUND SYSTEM INSPECTION
1.
Turn the ignition switch OFF.
2.
Check the continuity between the BCM harness connector and the ground.
Is the inspection result normal?
YES
>> • Check the 10 A fuse [No. 10 in fuse block (J/B)].
• Check the 40 A fusible link [No. L in fuse block].
NO
>> Repair or replace damaged parts.
BCM
—
Voltage
Connector
Terminal
M118
1
Ground
Battery voltage
M119
11
BCM
—
Continuity
Connector
Terminal
M119
13
Ground
Existed
TPMS
WT-41
< SYMPTOM DIAGNOSIS >
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SYMPTOM DIAGNOSIS
TPMS
Symptom Table
INFOID:0000000005576007
LOW TIRE PRESSURE WARNING LAMP SYMPTOM CHART
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