Infiniti Q45. Manual — part 909
TROUBLE DIAGNOSIS FOR SYMPTOMS
WT-45
C
D
F
G
H
I
J
K
L
M
A
B
WT
Hazard Warning Lamp Blinks When Ignition Switch Is Turned ON
NES0007K
DIAGNOSTIC PROCEDURE
1.
CHECK LOW TIRE PRESSURE WARNING CONTROL UNIT CIRCUIT
1.
Turn ignition switch “OFF”.
2.
Disconnect low tire pressure warning control unit harness connector.
3.
Turn ignition switch “ON”. (Do not start engine.)
Does hazard warning lamp blinks?
YES
>> Check the following. If any items are damaged, repair or replace damaged parts.
●
Harness for short to ground between combination flasher unit harness connector M91 terminal
6 and low tire pressure warning control unit harness connector M84 terminal 9.
●
Combination flasher unit.
NO
>> GO TO 2.
2.
CHECK LOW TIRE PRESSURE WARNING CONTROL UNIT
Check low tire pressure warning control unit input/output signal. Refer to
WT-17, "Low Tire Pressure Warning
Control Unit Input/Output Signal Reference Values"
OK or NG
OK
>> GO TO 3.
NG
>> Check low tire pressure warning control unit pin terminals for damage or loose connection with
harness connector. If any items are damaged, repair or replace damaged parts.
3.
CHECK SYMPTOM
Check again.
OK or NG
OK
>> INSPECTION END
NG
>> Replace low tire pressure warning control unit. Refer to
WT-46
TROUBLE DIAGNOSIS FOR SYMPTOMS
“TIRE PRESSURE” Information In Display Does Not Exist
NES0007L
DIAGNOSTIC PROCEDURE
1.
CHECK FUSE
Check 10A fuses [No. 21 located in the fuse block (J/B) No.1] for low tire pressure warning control unit. Refer
to
OK or NG
OK
>> GO TO 3.
NG
>> GO TO 2.
2.
CHECK POWER SUPPLY
1.
Turn ignition switch “OFF”.
2.
Disconnect low tire pressure warning control unit harness connector.
3.
Check voltage between low tire pressure warning control unit
harness connector (A) terminals and ground.
4.
Turn ignition switch “ON”. (Do not start engine.)
5.
Check voltage between low tire pressure warning control unit
harness connector (A) terminals and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Check the following. If any items are damaged, repair or
replace damaged parts.
●
10A fuses [No. 1, 6, 21 located in the fuse block (J/B) No.1]. Refer to
●
Harness for short or open between battery and low tire pressure warning control unit harness
connector M84 terminal 1.
●
Harness for short or open between ignition switch and low tire pressure warning control unit
harness connector M84 terminals 2 and 4.
●
Battery and ignition switch. Refer to
Connector
Terminal
Voltage (Approx.)
M84
1 - Ground
Battery voltage
2 - Ground
0 V
4 - Ground
SEIA0746E
Connector
Terminal
Voltage (Approx.)
M84
1 - Ground
Battery voltage
2 - Ground
4 - Ground
SEIA0747E
TROUBLE DIAGNOSIS FOR SYMPTOMS
WT-47
C
D
F
G
H
I
J
K
L
M
A
B
WT
3.
CHECK LOW TIRE PRESSURE WARNING CONTROL UNIT SIGNAL
1.
Turn ignition switch “ON”. (Do not start engine.)
2.
Check voltage between low tire pressure warning control unit
harness connector terminal and ground.
OK or NG
OK
>> GO TO 4.
NG
>> Check the following. If any items are damaged, repair or
replace damaged parts.
●
Harness for open or short between low tire pressure control unit harness connector M84 termi-
nal 5 and multifunction switch harness connector M83 terminal 15.
●
Harness for open or short between low tire pressure control unit harness connector M84 termi-
nal 6 and multifunction switch harness connector M83 terminal 16.
●
Harness for open or short between display harness connector M82 terminal 16 and multifunc-
tion switch harness connector M83 terminal 9.
●
Harness for open or short between display harness connector M82 terminal 15 and multifunc-
tion switch harness connector M83 terminal 10.
●
Multifunction switch
●
Display
4.
CHECK LOW TIRE PRESSURE WARNING CONTROL UNIT
Check low tire pressure warning control unit input/output signal. Refer to
WT-17, "Low Tire Pressure Warning
Control Unit Input/Output Signal Reference Values"
OK or NG
OK
>> GO TO 5.
NG
>> Check low tire pressure warning control unit pin terminals for damage or loose connection with
harness connector. If any items are damaged, repair or replace damaged parts.
5.
CHECK SYMPTOM
Check again.
OK or NG
OK
>> INSPECTION END
NG
>> Replace low tire pressure warning control unit. Refer to
WT-49, "Removal and Installation"
Connector
Terminal
Voltage (Approx.)
M84
5 - Ground
0 V (Min.) and 5 V (Max.) are
alternately repeated
6 - Ground
SEIA0054E
WT-48
TROUBLE DIAGNOSIS FOR SYMPTOMS
ID Registration Cannot Be Completed
NES0007M
DIAGNOSTIC PROCEDURE
1.
ID REGISTRATION
1.
Perform transmitter wake up. Refer to
WT-25, "Transmitter Wake Up Operation"
.
2.
Perform ID registration of all transmitters. Refer to
WT-24, "ID Registration Procedure"
Can ID registration of all transmitters be completed?
YES
>> GO TO 2.
NO
>> Go to
WT-31, "Transmitter (NO DATA)"
.
2.
CHECK LOW TIRE PRESSURE WARNING CONTROL UNIT
Check low tire pressure warning control unit input/output signal. Refer to
WT-17, "Low Tire Pressure Warning
Control Unit Input/Output Signal Reference Values"
.
OK or NG
OK
>> GO TO 3.
NG
>> Check low tire pressure warning control unit pin terminals for damage or loose connection with
harness connector. If any items are damaged, repair or replace damaged parts.
3.
CHECK SYMPTOM
Check again.
OK or NG
OK
>> INSPECTION END
NG
>> Replace low tire pressure warning control unit. Refer to
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст