Infiniti M45 (Y34). Manual — part 804
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
WT-21
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TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
PFP:00000
Inspection 1: Transmitter or Low Tire Pressure Warning Control Unit
AES000OB
MALFUNCTION CODE NO. 21, 22, 23 OR 24
1.
CHECK CONTROL UNIT
●
Drive for several minutes. Check all tires' pressure with CONSULT-II “DATA MONITOR ITEM”.
Are all tires' pressure displayed 0 kPa?
YES
>> GO TO 2.
NO
>> GO TO 3.
2.
CHECK ANTENNA CONNECTOR
●
Check antenna and feeder connector M424 for damage or loose connections.
OK or NG
OK
>> Replace control unit, then GO TO 3.
NG
>> Repair or replace antenna or feeder connector.
3.
ID REGISTRATION
●
Carry out ID registration of all transmitters.
Is there a tire that cannot register ID?
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 tires' pressure with CONSULT-II “DATA MONITOR ITEM” within 15 minutes after vehicle speed
becomes 17 km/h (11 MPH).
Does “DATA MONITOR ITEM” displayed tire pressure as normal without any warning lamp?
YES
>> INSPECTION END.
NO
>> GO TO 5.
5.
ID REGISTRATION AND VEHICLE DRIVING
1.
Carry out 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 tires' pressure with CONSULT-II “DATA MONITOR ITEM” within 5 minutes.
Does “DATA MONITOR ITEM” displayed tire pressure as normal without any warning lamp?
YES
>> INSPECTION END.
NO
>> GO TO the inspection applicable to DTC.
Inspection 2: Transmitter - 1
AES000OC
MALFUNCTION CODE NO. 31, 32, 33, 34, 41, 42, 43, 44, 45, 46, 47 OR 48
1.
ID REGISTRATION (CORRECTION OF TRANSMITTER LOCATION)
1.
Carry out 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 tires' pressure with CONSULT-II “DATA MONITOR ITEM” within 5 minutes.
>> GO TO 2.
WT-22
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
2.
REPLACE TRANSMITTER
1.
Check warning lamp for blink again, replace malfunctioning transmitter.
2.
Carry out ID registration of all transmitters.
Can ID registration of all transmitters be completed?
YES
>> GO TO 3.
NO
>> GO TO the inspection 1.
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 tires' pressure with CONSULT-II “DATA MONITOR ITEM” within 5 minutes.
Does “DATA MONITOR ITEM” displayed tire pressure as normal without any warning lamp?
YES
>> INSPECTION END.
NO
>> Replace malfunctioning transmitter, and perform “Step 3” again.
Inspection 3: Transmitter - 2
AES000OD
MALFUNCTION CODE NO. 35, 36, 37 OR 38
1.
CHECK ALL TIRE PRESSURE
●
Check all tire pressures.
Are there any tires' which pressure is “64 psi” or more?
YES
>> GO TO 2.
NO
>> Adjust tire pressure to specified value.
2.
VEHICLE DRIVING
1.
Carry out 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 tires' pressure with CONSULT-II “DATA MONITOR ITEM” within 15 minutes after vehicle speed
becomes 17 km/h (11 MPH).
>> Replace transmitter with new one if “DATA MONITOR ITEM” displayed 64 psi or more, Then GO
TO 3.
3.
ID REGISTRATION AND VEHICLE DRIVING
●
Carry out ID registration of all transmitters.
●
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 tires' pressure with CONSULT-II “DATA MONITOR ITEM” within 5 minutes.
Does “DATA MONITOR ITEM” displayed tire pressure as normal without any warning lamp?
YES
>> INSPECTION END.
NO
>> GO TO the inspection applicable to DTC.
Inspection 4:Low Tire Pressure Warning Control Unit
AES000OE
MALFUNCTION CODE NO. 51
1.
ID REGISTRATION
●
Carry out ID registration of all transmitters.
Does warning lamp still activate?
YES
>> Replace low tire pressure warning control unit.
NO
>> Inspection END.
Tire pressure
: 230 kPa (2.3 kg/m
2
, 33 psi)
TROUBLE DIAGNOSIS FOR SYMPTOMS
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TROUBLE DIAGNOSIS FOR SYMPTOMS
PFP:00007
Inspection 1: Warning Lamp does not Come On When Ignition Switch is Turned
on
AES0004B
DIAGNOSTIC PROCEDURE
1.
CHECK COMBINATION METER OPERATION
●
Check combination meter operation.
OK or NG
OK
>> GO TO 2.
NG
>> Check combination meter.
2.
CHECK WARNING LAMP
●
Disconnect tire pressure warning control unit connector M84.
Does the warning lamp activate?
YES
>> Replace tire pressure warning control unit.
NO
>> GO TO 3.
3.
CHECK COMBINATION METER CIRCUIT
●
Check continuity between tire pressure warning control unit connector M84 terminal 3 (LG) and ground.
OK or NG
OK
>> Check combination meter.
NG
>> Repair or replace harness connector.
Inspection 2: Warning Lamp Stays on When Ignition Switch is Turned on
AES0004C
DIAGNOSTIC PROCEDURE
1.
CHECK CONNECTOR
1.
Disconnect tire pressure warning control unit connector M84.
2.
Check terminal for damage or loose connections.
OK or NG
OK
>> GO TO 2.
NG
>> Repair or replace damaged parts.
3 (LG) – Ground
: Continuity should not exist.
SEIA0193E
WT-24
TROUBLE DIAGNOSIS FOR SYMPTOMS
2.
CHECK CIRCUIT
1.
Disconnect combination meter connector M41 and tire pressure warning control unit connector M84.
2.
Check continuity between tire pressure warning control unit connector M84 terminal 3 (LG) and combi-
nation meter connector M41 terminal 7 (LG).
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace harness connector.
3.
CHECK POWER SUPPLY CIRCUIT
1.
Check voltage between tire pressure warning control unit connector M84 terminal 1 (Y/G) and ground.
2.
Turn ignition switch ON.
3.
Check voltage between tire pressure warning control unit connector M84 terminal 2 (BR/W) and ground.
OK or NG
OK
>> GO TO 4.
NG
>> Repair or replace harness connector.
3 (LG) – 7 (LG)
: Continuity should not exist.
SEIA0191E
1 (Y/G) – Ground
: Battery voltage (Approx.12V)
SEIA0192E
2 (BR/W) – Ground
: Battery voltage (Approx. 12V)
SEIA0196E
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