Infiniti Q45. Manual — part 904

TROUBLE DIAGNOSIS

WT-25

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WT

Transmitter Wake Up Operation

NES000HF

WITH ACTIVATION TOOL

1.

With the transmitter activation tool (J-45295) pushed against the
front-left transmitter, press and hold the button for 5 seconds.

●

When ignition switch ON, and then low tire pressure warning
lamp blinks as per the following diagram, the respective then
transmitter must be wake up.

2.

Register the ID of wheel that low tire pressure warning lamp flashes. When wake up of registered wheel
has been completed, hazard warning lamp flashes two times.

3.

After completing wake up all transmitters, make sure low tire pressure warning lamp goes out.

SEIA0460E

SEIA0762E

WT-26

TROUBLE DIAGNOSIS

Inspections Before Trouble Diagnosis

NES000D0

DIAGNOSTIC PROCEDURE

1.

CHECK ALL TIRE PRESSURES

Check all tire pressures. Refer to

WT-56, "Tire"

.

OK or NG

OK

>> GO TO 2.

NG

>> Check the condition of wheels (flat tire etc.). Then, adjust tire pressure to the specified value.

2.

CHECK LOW TIRE PRESSURE WARNING LAMP

●

Turn ignition switch “OFF”.

●

Check low tire pressure warning lamp “ON” for approx. 1 second when turned ignition switch “ON”.

Dose low tire pressure warning lamp “ON” for approx. 1 second?

YES

>> GO TO 3.

NO

>> Go to

WT-40, "Low Tire Pressure Warning Lamp Does Not Turn ON for Approx.1 Second When

Ignition Switch Is Turned ON"

.

3.

CHECK LOW TIRE PRESSURE WARNING CONTROL UNIT HARNESS CONNECTOR

1.

Disconnect low tire pressure warning control unit harness connector.

2.

Check low tire pressure warning control unit pin terminals for damage or loose connection with harness
connector.

OK or NG

OK

>> GO TO 4.

NG

>> Repair or replace damaged parts.

4.

CHECK DTC

Drive at a speed of 40 km/h (25 MPH) or more for several minutes without stopping after perform self-diagno-
sis. Refer to

WT-21, "Self-Diagnostic Procedure"

.

OK or NG

OK

>> INSPECTION END

NG

>> Perform the self-diagnosis, inspect detected malfunction.

Trouble Diagnosis Chart for Symptoms

NES000D3

If low tire pressure warning lamp turns ON, perform self-diagnosis. Refer to

WT-21, "Self-Diagnostic Procedure"

.

Symptom

Condition

Check item

Reference page

Low tire pressure warning lamp does not
turn ON for approx.1 second when ignition
switch is turned ON.

Ignition ON

Power supply and ground for low tire
pressure warning control unit

WT-40

Combination meter

Low tire pressure warning lamp stays ON
when ignition switch is turned ON.

Ignition ON

Power supply and ground for low tire
pressure warning control unit

WT-42

Combination meter

Low tire pressure warning lamp blinks when
ignition switch is turned ON.

Ignition ON

Tire pressure warning check switch

WT-44

Hazard warning lamp blinks when ignition
switch is turned ON.

Ignition ON

Combination flasher unit

WT-45

“TIRE PRESSURE” information in display
does not exist.

Ignition ON

Power supply

WT-46

Display circuit

ID registration cannot be completed.

Engine running

Transmitter wake up

WT-48

ID registration

Transmitter

TROUBLE DIAGNOSIS

WT-27

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Low Tire Pressure Warning Lamp Symptom Chart

NES000DN

Diagnosis

Item

Symptom

(Ignition switch “ON”)

Low tire pressure warning lamp

Cause

Action

Low tire pres-
sure warning
lamp

Warning light comes
on immediately and
turns off after 1 sec-
ond.

All wheel transmit-
ters are “activated”
(working).

None (system OK)

Warning light blinks
on for 2 seconds,
then turns off for 0.2
seconds-repeats.

All wheel transmit-
ters are not acti-
vated.

Activate all wheel transmit-
ters. Refer to

WT-25,

"Transmitter Wake Up Oper-
ation"

.

Warning light blinks 1
time.

Front LH wheel
transmitter is not
activated.

Activate front LH wheel
transmitter. Refer to

WT-25,

"Transmitter Wake Up Oper-
ation"

.

Warning light blinks 2
times.

Front RH wheel
transmitter is not
activated.

Activate front RH wheel
transmitter. Refer to

WT-25,

"Transmitter Wake Up Oper-
ation"

.

Warning light blinks 3
times.

Rear RH wheel
transmitter is not
activated.

Activate rear RH wheel
transmitter. Refer to

WT-25,

"Transmitter Wake Up Oper-
ation"

.

SEIA0592E

SEIA0593E

PEIA0073E

SEIA0595E

SEIA0596E

WT-28

TROUBLE DIAGNOSIS

NOTE:
If more than one wheel transmitter is NOT activated, the warning light blinking patterns for those wheels will combine. (Example: one
blink/“OFF”/three blinks = Rear LH and Rear RH transmitters are not activated.)

Low tire pres-
sure warning
lamp

Warning light blinks 4
times.

Rear LH wheel trans-
mitter is not acti-
vated.

Activate rear LH wheel
transmitter. Refer to

WT-25,

"Transmitter Wake Up Oper-
ation"

.

Warning light comes
on and does not turn
off.

Tire pressure is low.

Check tire pressure with
CONSULT-II. Refer to

WT-

21, "DATA MONITOR
MODE"

.

The fuse for combi-
nation meter from
battery is pulled out.

Check the fuse for combina-
tion meter from battery.
Install or replace (if needed).

Low tire pressure
warning control unit
connector pulled out.

Check low tire pressure
warning control unit connec-
tor. Re-connect if needed.

Low tire pressure or
low tire pressure
warning system mal-
function.

●

Perform CONSULT-II
Self-Diagnosis. Refer to

WT-19, "SELF-DIAG
RESULT MODE"

.

–

Perform ID Registration if
needed. Refer to

WT-24,

"ID Registration Proce-
dure"

.

Turn signal
lamp

Turn signal lamp
does not flash 2
times or buzzer does
not sound after trans-
mitter activation.

—

1. Tool J-45295 (spe-
cial service tool) bat-
tery low.

1. Install new battery.

2. Ignition “OFF” dur-
ing activation.

2. Make sure ignition is “ON”
during activation.

3. Tool No. J-45295
(special service tool)
not positioned cor-
rectly.

3. Position tool correctly dur-
ing activation.

4. Transmitters
already activated.

4. None

Diagnosis

Item

Symptom

(Ignition switch “ON”)

Low tire pressure warning lamp

Cause

Action

SEIA0597E

SEIA0598E