Infiniti M35/M45 Y50. Manual — part 1146
TROUBLE DIAGNOSIS FOR SYSTEM
WT-31
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WT
4.
CHECK RECEIVER HARNESS (EXAMPLE OF FRONT LH SIDE)
1.
Turn ignition switch OFF, disconnect low tire pressure warning
control unit harness connector M19 (A) and receiver harness
connector E74 (B).
2.
Check continuity between low tire pressure warning control unit
harness connector M19 (A) and receiver harness connector E74
(B).
OK or NG
OK
>> Replace low tire pressure warning control unit.
NG
>> Harness between Low tire warning control unit and receiver open or shorted. Repair or replace
harness.
Transmitter Pressure Data Error
NES000KC
MALFUNCTION CODE NO. 35, 36, 37, 38
1.
CHECK ALL TIRE PRESSURES
Check all tire pressures. Refer to
WT-41, "SERVICE DATA AND SPECIFICATIONS (SDS)"
Are there any tires whose pressure is “64 psi” or more?
YES
>> Adjust tire pressure to specified value.
NO
>> GO TO 2.
2.
VEHICLE DRIVING
1.
Perform ID registration of all transmitters.
2.
Drive at a speed of 40 km/h (25 MPH) or more for several minutes without stopping.
Check all tire pressures with CONSULT-II “DATA MONITOR” within 15 minutes after vehicle speed
becomes 17 km/h (11 MPH).
>> Replace tire pressure transmitter with new one if “DATA MONITOR” display 64 psi or more. Then
GO TO 3.
3.
ID REGISTRATION AND VEHICLE DRIVING
1.
Perform ID registration of all tire pressure transmitters.
2.
Drive at a speed of 40 km/h (25 MPH) or more for 3 minutes, and then drive the vehicle at any speed for
10 minutes. Then check all tire pressures with CONSULT-II “DATA MONITOR” within 5 minutes.
Does “DATA MONITOR” display tire pressure as normal without any warning lamp?
YES
>> INSPECTION END
NO
>> GO TO the inspection applicable to DTC.
Terminal 27 – 2
: Continuity should exist.
Terminal 11 – 3
: Continuity should exist.
SEIA0789E
WT-32
TROUBLE DIAGNOSIS FOR SYSTEM
Transmitter Function Code Error
NES000KD
MALFUNCTION CODE NO. 41, 42, 43, 44
1.
ID REGISTRATION (CORRECTION OF TRANSMITTER LOCATION)
1.
Perform ID registration of all transmitters.
2.
Drive at a speed of 40 km/h (25 MPH) or more for 3 minutes, and then drive the vehicle at any speed for
10 minutes.
>> GO TO 2.
2.
REPLACE TIRE PRESSURE TRANSMITTER
1.
Check low tire pressure warning lamp condition again, and replace malfunctioning tire pressure transmit-
ter.
2.
Perform ID registration of all transmitter.
Can ID registration of all tire pressure transmitters be completed?
YES
>> GO TO 3.
NO
>> GO TO
3.
VEHICLE DRIVING
Drive at a speed of 40 km/h (25 MPH) or more for 3 minutes, and then drive the vehicle at any speed for 10
minutes. Then check all tire pressures with CONSULT-II “DATA MONITOR” within 5 minutes.
Does “DATA MONITOR” display tire pressure as normal without any warning lamp?
YES
>> INSPECTION END
NO
>> Replace malfunctioning transmitter, and perform “Step 3” again.
Transmitter Battery Voltage Low
NES000KE
MALFUNCTION CODE NO. 45, 46, 47, 48
1.
ID REGISTRATION (CORRECTION OF TRANSMITTER LOCATION)
1.
Perform ID registration of all transmitters.
2.
Drive at a speed of 40 km/h (25 MPH) or more for 3 minutes, and then drive the vehicle at any speed for
10 minutes.
>> GO TO 2.
2.
REPLACE TIRE PRESSURE TRANSMITTER
1.
Check low tire pressure warning lamp condition again, and replace malfunctioning tire pressure transmit-
ter.
2.
Perform ID registration of all tire pressure transmitter.
Can ID registration of all tire pressure transmitters be completed?
YES
>> GO TO 3.
NO
>> GO TO
3.
VEHICLE DRIVING
Drive at a speed of 40 km/h (25 MPH) or more for 3 minutes, and then drive the vehicle at any speed for 10
minutes. Then check all tire pressures with CONSULT-II “DATA MONITOR” within 5 minutes.
Does “DATA MONITOR” display tire pressure as normal without any warning lamp?
YES
>> INSPECTION END
NO
>> Replace malfunctioning transmitter, and perform “Step 3” again.
TROUBLE DIAGNOSIS FOR SYSTEM
WT-33
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Receiver ID No Registration
NES000KF
MALFUNCTION CODE NO. 51
1.
ID REGISTRATION
1.
Perform ID registration of all tire pressure transmitters. Refer to
WT-18, "ID Registration Procedure"
.
2.
Drive at a speed of 40 km/h (25 MPH) or more for 3 minutes, and then drive the vehicle at any speed for
10 minutes.
>> GO TO 2.
2.
REPLACE TIRE PRESSURE TRANSMITTER
1.
Check low tire pressure warning lamp condition again, and replace malfunctioning tire pressure transmit-
ter.
2.
Perform ID registration of all transmitter.
Can ID registration of all tire pressure transmitters be completed?
YES
>> GO TO 3.
NO
.
3.
VEHICLE DRIVING
Drive at a speed of 40 km/h (25 MPH) or more for 3 minutes, and then drive the vehicle at any speed for 10
minutes. Then check all tire pressures with CONSULT-II “DATA MONITOR” within 5 minutes.
Does “DATA MONITOR” display tire pressure as normal without any warning lamp?
YES
>> INSPECTION END
NO
>> Replace malfunctioning transmitter, and perform “Step 3” again.
Vehicle Speed Signal
NES000KG
MALFUNCTION CODE NO. 52
1.
CHECK SELF-DIAGNOSIS RESULTS
1.
Perform “CONSULT-II Start Procedure”. Refer to
GI-38, "CONSULT-II Start Procedure"
.
2.
Touch “SELF-DIAG RESULTS” on “SELECT DIAG MODE” screen.
3.
Check display contents in self-diagnostic results.
4.
Is above displayed on self-diagnosis display?
YES
>>
●
If “CAN COMM CIRCUIT [U1000]” is displayed, print out self-diagnosis. And then, go to
50, "CAN System Specification Chart"
.
●
Replace low tire pressure warning control unit if “CONTROL UNIT [CAN] [U1010]” is displayed.
NO
>> Check combination meter refer to
.
Self-diagnostic results
CAN COMM CIRCUIT [U1000]
CONTROL UNIT [CAN] [U1010]
WT-34
TROUBLE DIAGNOSIS FOR SYSTEM
Control Unit (EEPROM) Malfunction
NES000KT
MALFUNCTION CODE NO. 54
1.
CHECK SELF-DIAGNOSIS RESULTS
1.
Turn ignition switch “ON”. (Do not start engine.)
2.
Select “SELF-DIAG RESULT” mode for “AIR PRESSURE MONITOR” with CONSULT-II.
3.
Touch “ERASE”.
4.
Turn ignition switch OFF, and wait at least 10 seconds.
5.
Start engine.
6.
Perform the self-diagnosis again.
Is the “CONTROL UNIT (EEPROM) [C1754]” displayed?
YES
>> Replace low tire pressure warning control unit. Refer to
WT-40, "Low Tire Pressure Warning Con-
.
NO
>> INSPECTION END
CAN Communication System Malfunction
NES000KS
1.
CHECK LOW TIRE PRESSURE WARNING CONTROL UNIT CONNECTOR
1.
Turn ignition switch OFF, disconnect low tire pressure warning control unit harness connector, and check
terminal for deformation, disconnection, looseness, etc.
2.
Reconnect harness connector securely, and perform CONSULT-II self-diagnosis.
Is above displayed on self-diagnosis display?
YES
>>
●
If “CAN COMM CIRCUIT [U1000]” is displayed, print out self-diagnosis. And then, go to
50, "CAN System Specification Chart"
●
Replace low tire pressure warning control unit if “CONTROL UNIT [CAN] [U1010]” is displayed.
NO
>> Connector terminal connection is loose, damaged, open, or shorted. Repair or replace the termi-
nal.
Self-diagnostic results
CAN COMM CIRCUIT [U1000]
CONTROL UNIT [CAN] [U1010]
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