Infiniti M35/M45 Y50. Manual — part 1145
TROUBLE DIAGNOSES
WT-27
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WT
Trouble Diagnosis Chart
NES000K9
SELF-DIAGNOSIS
NOTICE:
182 kPa (1.82 kg/cm
2
, 26.5 psi): Standard air pressure is for 230 kpa (2.3 kg/cm
2
, 33 psi) vehicles.
Item
Reference
Self-diagnosis function
CONSULT-II
DTC (warning lamp blinks)
Diagnosis item
Diagnosis item
15
Front LH tire pressure drops to * kPa (* kg/
cm
2
, * psi) or less. (Notice)
LOW PRESSURE FL
—
16
Front RH tire pressure drops to * kPa (* kg/
cm
2
, * psi) or less. (Notice)
LOW PRESSURE FR
17
Rear RH tire pressure drops to * kPa (* kg/
cm
2
, * psi) or less. (Notice)
LOW PRESSURE RR
18
Rear LH tire pressure drops to * kPa (* kg/
cm
2
, * psi) or less. (Notice)
LOW PRESSURE RL
21
Transmitter no data (front LH)
[NO DATA] FL
22
Transmitter no data (front RH)
[NO DATA] FR
23
Transmitter no data (rear RH)
[NO DATA] RR
24
Transmitter no data (rear LH)
[NO DATA] RL
25
Receiver data error (front LH)
[RECEIVER ERR] FL
26
Receiver data error (front RH)
[RECEIVER ERR] FR
27
Receiver data error (rear RH)
[RECEIVER ERR] RR
28
Receiver data error (rear LH)
[RECEIVER ERR] RL
35
Transmitter pressure data error (front LH)
[PRESSDATA ERR] FL
36
Transmitter pressure data error (front RH)
[PRESSDATA ERR] FR
37
Transmitter pressure data error (rear RH)
[PRESSDATA ERR] RR
38
Transmitter pressure data error (rear LH)
[PRESSDATA ERR] RL
41
Transmitter function code error (front LH)
[CODE ERROR] FL
42
Transmitter function code error (front RH)
[CODE ERROR] FR
43
Transmitter function code error (rear RH)
[CODE ERROR] RR
44
Transmitter function code error (rear LH)
[CODE ERROR] RL
45
Transmitter battery voltage low (front LH)
[BATT VOLT LOW] FL
46
Transmitter battery voltage low (front RH)
[BATT VOLT LOW] FR
47
Transmitter battery voltage low (rear RH)
[BATT VOLT LOW] RR
48
Transmitter battery voltage low (rear LH)
[BATT VOLT LOW] RL
51
Receiver ID no registration
RECEIVER ID NO REG
52
Vehicle speed signal
VHCL SPED SIG ERR
54
Control unit (EEPROM) malfunction
CONTROL UNIT (EEPROM)
—
CAN COMM CIRCUIT
—
CONTROL UNIT [CAN]
WT-28
TROUBLE DIAGNOSES
DIAGNOSIS CHART BY SYMPTOM
Symptom
Reference
Warning lamp does not come on when ignition switch is turned on.
WT-35, "Warning Lamp Does Not Come On When
Warning lamp stay on when ignition switch turned on.
WT-35, "Warning Lamp Stay On When Ignition
Warning lamp blinks 1 min and then turns on when ignition switch is turned on.
WT-36, "Warning Lamp Blinks 1 Minute and Then
Turns ON When Ignition Switch Is Turned ON"
Warning lamp blinks when ignition switch is turned on.
WT-37, "Warning Lamp Blinks When Ignition Switch
Turn signal lamp blinks when ignition switch is turned on.
WT-38, "Turn Signal Lamp Blinks When Ignition
ID registration can not be operated.
TROUBLE DIAGNOSIS FOR SYSTEM
WT-29
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WT
TROUBLE DIAGNOSIS FOR SYSTEM
PFP:00000
Transmitter no Data
NES000KA
MALFUNCTION CODE NO. 21, 22, 23, 24
1.
CHECK CONTROL UNIT
Drive for several minutes. Check all tire pressures with CONSULT-II “DATA MONITOR”.
Are all tire pressures displayed 0 kPa?
YES
>> GO TO 2.
NO
>> GO TO 3.
2.
CHECK TIRE PRESSURE RECEIVER CONNECTOR
1.
Disconnect tire pressure receiver harness connector E74 (FR-LH), E75 (FR-RH), B482 (RR-RH), B115
(RR-LH).
2.
Check terminals for damage or loose connection.
3.
Reconnect harness connector.
OK or NG
OK
>> Replace low tire pressure warning control unit. Refer to
WT-40, "Low Tire Pressure Warning Con-
, then GO TO 3.
NG
>> Repair or replace tire pressure receiver harness connector.
3.
ID REGISTRATION
Perform ID registration of all transmitters.
Are there any tires that ID can not be registered to?
YES
>> Replace transmitter of the tire, then GO TO 5.
NO
>> GO TO 4.
4.
VEHICLE DRIVING
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).
Does “DATA MONITOR ” display tire pressure as normal without any warning lamp?
YES
>> INSPECTION END
NO
>> GO TO 5.
5.
ID REGISTRATION AND VEHICLE DRIVING
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. 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.
WT-30
TROUBLE DIAGNOSIS FOR SYSTEM
Receiver Data Error
NES000KB
MALFUNCTION CODE NO. 25, 26, 27, 28
1.
CHECK LOW TIRE PRESSURE WARNING CONTROL UNIT AND RECEIVER CONNECTOR
1.
Turn ignition switch OFF, disconnect low tire pressure warning control unit harness connector and receiver
harness connector, and check terminal for deformation, disconnection, looseness, and so on. If there is a
malfunction, repair or replace the terminal.
2.
Reconnect harness connector securely, and perform self-diagnosis.
Does “SELF-DIAG RESULTS” display as normal without any warning lamp?
YES
>> Connector terminal connection is loose, damaged, open, or shorted.
NO
>> GO TO 2.
2.
CHECK TIRE PRESSURE RECEIVER POWER SUPPLY AND GROUND CIRCUIT
1.
Turn ignition switch OFF, and disconnect tire pressure receiver harness connector E74, E75, B115, B482.
2.
Check continuity between tire pressure receiver harness con-
nector E74, E75, B115, B482 and ground.
3.
Turn ignition switch ON, and then check voltage between tire
pressure receiver harness connector E74, E75, B115, B482 and
ground.
OK or NG
OK
>> GO TO 3.
NG
>> GO TO 4.
3.
CHANGE THE TIRE PRESSURE RECEIVER POSITION (EXAMPLE OF FRONT LH SIDE)
1.
Replace right from left for front and rear receivers.
2.
Perform self-diagnosis.
Is the initial indication of self-diagnosis displayed?
YES
>> GO TO 4
NO
>> Replace tire pressure receiver front RH when indicating RH tire pressure receiver malfunction.
Terminal 4 – Ground
: Continuity should exist.
SGIA1249E
1 – Ground
: Battery voltage (Approx.12 V)
SGIA1250E
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