Infiniti FX35, FX50 (S51). Manual — part 1939

TPMS

WT-59

< SYMPTOM DIAGNOSIS >

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Diagnosis

items

Symptom

(Ignition switch

ON)

Low tire pressure warning lamp

Cause

Action

Low tire pres-
sure warning
lamp

The low tire pres-
sure warning lamp
illuminates for 1
second, then turns
OFF.

Wake-up operation for
all transmitters at
wheels is completed.

No system malfunctions

The low tire pres-
sure warning lamp
repeats blinking
ON for 2 seconds
and OFF for 0.2
seconds.

Wake-up operation for
all transmitters at
wheels is not completed.

Perform the wake-up oper-
ation for all transmitters at
wheels. Refer to

WT-6,

"TRANSMITTER WAKE
UP OPERATION : Trans-
mitter Wake-up Proce-
dure"

.

The low tire pres-
sure warning lamp
blinks once.

The front left transmitter
is not activated.

Perform the wake-up oper-
ation for the transmitter at
front left wheel. Refer to

WT-6, "TRANSMITTER
WAKE UP OPERATION :
Transmitter Wake-up Pro-
cedure"

.

The low tire pres-
sure warning lamp
repeats blinking
twice.

The front right transmit-
ter is not activated.

Perform the wake-up oper-
ation for the transmitter at
front right wheel. Refer to

WT-6, "TRANSMITTER
WAKE UP OPERATION :
Transmitter Wake-up Pro-
cedure"

.

The low tire pres-
sure warning lamp
repeats blinking
for 3 times.

The rear right transmit-
ter is not activated.

Perform the wake-up oper-
ation for the transmitter at
rear right wheel. Refer to

WT-6, "TRANSMITTER
WAKE UP OPERATION :
Transmitter Wake-up Pro-
cedure"

.

The low tire pres-
sure warning lamp
repeats blinking
for 4 times.

The rear left transmitter
is not activated.

Perform the wake-up oper-
ation for the transmitter at
rear left wheel. Refer to

WT-6, "TRANSMITTER
WAKE UP OPERATION :
Transmitter Wake-up Pro-
cedure"

.

The low tire pres-
sure warning lamp
turns ON and
stays illuminated.

Low tire pressure

Check the tire pressure for
all wheels and adjust to the
specified value. Refer to

WT-80, "Tire Air Pressure"

.

SEIA0592E

SEIA0593E

SEIA0594E

SEIA0595E

SEIA0596E

SEIA0597E

SEIA0598E

WT-60

< SYMPTOM DIAGNOSIS >

TPMS

NOTE:
If transmitter wake-up operation is not completed for two or more transmitters, the applicable low tire pressure
warning lamp blinking patterns are displayed continuously.
(Example: Blinks once/OFF/blinks 3 times = Wake-up operation is not completed at the front left wheel and
rear right wheel transmitters.)

Low tire pres-
sure warning
lamp

The low tire pres-
sure warning lamp
repeats blinking at
0.5-second inter-
vals for 1 minute,
and then stays illu-
minated.

The combination meter
fuse is open or removed
(or pulled out).

Check and install the com-
bination meter fuse. If nec-
essary, replace the fuse.

The low tire pressure
warning control unit har-
ness connector is re-
moved.

Check the connection con-
ditions of the low tire pres-
sure warning control unit
harness connector, and re-
pair if necessary.

Tire Pressure Monitor-
ing System (TPMS) mal-
function.

• Perform CONSULT-III

self-diagnosis. Refer to

WT-12, "CONSULT-III
Function"

.

• If necessary, perform

transmitter ID registra-
tion. Refer to

WT-7, "ID

REGISTRATION PRO-
CEDURE : Transmitter
ID Registration Proce-
dure"

.

Turn signal
lamp

The turn signal
lamps do not blink
twice when the
transmitter is acti-
vated. Or the
buzzer does not
sound.

—

1.

The transmitter ac-
tivation tool (J-
45295) does not
activate.

2.

The ignition switch
is OFF when the
transmitter wake-
up operation is per-
formed.

3.

The transmitter ac-
tivation tool (J-
45295) is not used
in the correct posi-
tion.

4.

The transmitter is
already waked up.

1.

Replace the battery in
the transmitter activa-
tion tool (J-45295).

2.

Turn the ignition
switch ON when per-
forming the transmit-
ter wake-up
operation.

3.

Operate the transmit-
ter activation tool (J-
45295) in the correct
position when per-
forming the wake-up
operation.

4.

No procedure.

Diagnosis

items

Symptom

(Ignition switch

ON)

Low tire pressure warning lamp

Cause

Action

SEIA0788E

LOW TIRE PRESSURE WARNING LAMP DOES NOT TURN ON

WT-61

< SYMPTOM DIAGNOSIS >

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LOW TIRE PRESSURE WARNING LAMP DOES NOT TURN ON

Description

INFOID:0000000005549649

The low tire pressure warning lamp does not illuminate when the ignition switch is turned ON.

Diagnosis Procedure

INFOID:0000000005549650

1.

CHECK LOW TIRE PRESSURE WARNING LAMP

Perform trouble diagnosis of the low tire pressure warning lamp. Refer to

WT-43, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> Check pin terminals for damage or loose connection with harness connector. If any items are

damaged, repair or replace error-detected parts.

NO

>> Repair or replace error-detected parts.

WT-62

< SYMPTOM DIAGNOSIS >

LOW TIRE PRESSURE WARNING LAMP DOES NOT TURN OFF

LOW TIRE PRESSURE WARNING LAMP DOES NOT TURN OFF

Description

INFOID:0000000005549651

The low tire pressure warning lamp does not turn OFF after several seconds is passed after engine starts.

Diagnosis Procedure

INFOID:0000000005549652

1.

CHECK TIRE PRESSURE

1.

Turn the ignition switch ON.

CAUTION:

Never start the engine.

2.

Check the tire pressure for all wheels and adjust to the specified value. Refer to

WT-80, "Tire Air Pres-

sure"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Inspect or repair the tires or wheels.

2.

CHECK LOW TIRE PRESSURE WARNING LAMP

Check low tire pressure warning lamp display.

Does not low tire pressure warning lamp turn OFF?

YES

>> GO TO 3.

NO

>> INSPECTION END

3.

CHECK LOW TIRE PRESSURE WARNING CONTROL UNIT

With CONSULT-III

Perform “AIR PRESSURE MONITOR” self-diagnosis.

Is any DTC detected?

YES

>> Check the DTC. Refer to

WT-56, "DTC Index"

.

NO

>> GO TO 4.

4.

CHECK POWER SUPPLY AND GROUND

Check the power supply and ground circuit. Refer to

WT-39, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> Replace low tire pressure warning control unit. Refer to

WT-76, "Exploded View"

.

NO

>> Repair or replace damaged parts.