Infiniti QX56 (Z62). Manual — part 1373
C1728 RECEIVER ID
WT-39
< DTC/CIRCUIT DIAGNOSIS >
C
D
F
G
H
I
J
K
L
M
A
B
WT
N
O
P
C1728 RECEIVER ID
DTC Logic
INFOID:0000000006225514
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION
With CONSULT-III
1.
Drive for 3 minutes at a speed of 40 km/h (25 MPH) or more, then drive normally for 10 minutes.
2.
Stop the vehicle.
3.
Perform self-diagnosis for “AIR PRESSURE MONITOR”.
Is DTC “C1728” detected?
YES
>> Proceed to
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006225515
1.
CHECK TIRE PRESSURE RECEIVER INPUT SIGNAL
1.
Turn the ignition switch ON.
CAUTION:
Never start engine.
2.
Use an oscilloscope and check the input signal waveform between the low tire pressure warning control
unit harness connector and ground.
STANDBY STATUS
WHEN SIGNAL IS RECEIVED
Is the inspection result normal?
DTC
Display Item
Malfunction detected condition
Possible causes
C1728
RECEIVER ID NO REG
Receiver ID registration cannot be performed.
• Tire pressure receiver malfunc-
tion
• Low tire pressure warning con-
trol unit malfunction
Low tire pressure warning control unit
—
Value (Approx.)
Connector
Terminal
M96
3
Ground
Approx. 4.5 V
4
5
6
Low tire pressure warning control unit
—
Value (Approx.)
Connector
Terminal
M96
3
Ground
Approx. 4.5 V
4
5
6
OCC3879D
OCC3880D
WT-40
< DTC/CIRCUIT DIAGNOSIS >
C1728 RECEIVER ID
YES
>> Check connector for loose connection and then perform “DTC CONFIRMATION PROCEDURE”
(self-diagnosis) again. Refer to
NO
>> GO TO 2.
2.
CHECK TIRE PRESSURE RECEIVER POWER SUPPLY CIRCUIT
1.
Disconnect the tire pressure receiver harness connector.
2.
Turn the ignition switch ON.
CAUTION:
Never start the engine.
3.
Check the voltage between tire pressure receiver harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace the malfunctioning harness or connector.
3.
CHECK TIRE PRESSURE RECEIVER GROUND CIRCUIT
1.
Turn the ignition switch OFF.
2.
Disconnect low tire pressure warning control unit harness connector and tire pressure receiver harness
connector.
3.
Check the continuity between low tire pressure warning control unit harness connector and tire pressure
receiver harness connector.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace the malfunctioning harness or connector.
4.
CHECK LOW TIRE PRESSURE WARNING CONTROL UNIT CIRCUIT
Check the low tire pressure warning control unit circuit. Refer to
.
Is the low tire pressure warning control unit circuit normal?
YES
>> Replace the tire pressure receiver. Refer to
WT-68, "FRONT TIRE PRESSURE RECEIVER :
WT-68, "REAR TIRE PRESSURE RECEIVER : Removal and
NO
>> Repair or replace error-detected parts.
Tire pressure receiver
—
Voltage
Connector
Terminal
E53 (Front LH)
1
Ground
Approx. 9 - 16 V
E19 (Front RH)
B43 (Rear LH)
B212 (Rear RH)
Low tire pressure warning control unit
Tire pressure receiver
Continuity
Connector
Terminal
Connector
Terminal
M96
26
E53 (Front LH)
4
Existed
25
E19 (Front RH)
24
B43 (Rear LH)
23
B212 (Rear RH)
C1729 VEHICLE SPEED SIGNAL
WT-41
< DTC/CIRCUIT DIAGNOSIS >
C
D
F
G
H
I
J
K
L
M
A
B
WT
N
O
P
C1729 VEHICLE SPEED SIGNAL
DTC Logic
INFOID:0000000006225516
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
DTC CONFIRMATION PROCEDURE
With CONSULT-III
1.
Drive for 3 minutes at a speed of 40 km/h (25 MPH) or more without stopping.
2.
Stop the vehicle.
3.
Perform self-diagnosis for “AIR PRESSURE MONITOR”.
Is DTC “C1729” detected?
YES
>> Proceed to
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006225517
1.
PERFORM ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS
With CONSULT-III
Perform self-diagnosis for “ABS”.
Is any DTC detected?
YES
>> Check malfunctioning circuit.
NO
>> GO TO 2.
2.
PERFORM SELF-DIAGNOSIS AGAIN
With CONSULT-III
Perform “DTC CONFIRMATION PROCEDURE” (self-diagnosis) again. Refer to
Is DTC “C1729” detected?
YES
>> Replace the low tire pressure warning control unit. Refer to
WT-65, "Removal and Installation"
NO
>> GO TO 3.
3.
CHECK LOW TIRE PRESSURE WARNING CONTROL UNIT INPUT/OUTPUT SIGNAL
Check the low tire pressure warning control unit input/output signal values. Refer to
Is the inspection result normal?
YES
>> Check pin terminal and connection of each harness connector for malfunctioning conditions.
NO
>> Replace the low tire pressure warning control unit. Refer to
WT-65, "Removal and Installation"
DTC
Display Item
Malfunction detected condition
Possible causes
C1729
VHCL SPEED SIG ERR
Vehicle speed signal not detected.
• CAN communication malfunction
• Low tire pressure warning control
unit malfunction
• ABS actuator and electric unit
(control unit) malfunction
WT-42
< DTC/CIRCUIT DIAGNOSIS >
C1750, C1751, C1752, C1753 RECEIVER
C1750, C1751, C1752, C1753 RECEIVER
DTC Logic
INFOID:0000000006225518
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION
With CONSULT-III
1.
Drive for 3 minutes at a speed of 40 km/h (25 MPH) or more, then drive normally for 10 minutes.
2.
Stop the vehicle.
3.
Perform self-diagnosis for “AIR PRESSURE MONITOR”.
Is DTC “C1750”, “C1751”, “C1752”, or “C1753” detected?
YES
>> Proceed to
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006225519
1.
CHECK TIRE PRESSURE RECEIVER INPUT SIGNAL
1.
Turn the ignition switch ON.
CAUTION:
Never start engine.
2.
Use an oscilloscope and check the input signal waveform between the low tire pressure warning control
unit harness connector and ground.
STANDBY STATUS
DTC
Display Item
Malfunction detected condition
Possible causes
C1750
[RECEIVER ERR] FL
The front LH tire pressure receiver dose not re-
ceive a signal.
Tire pressure receiver mal-
function
C1751
[RECEIVER ERR] FR
The front RH tire pressure receiver dose not re-
ceive a signal.
C1752
[RECEIVER ERR] RR
The rear RH tire pressure receiver dose not re-
ceive a signal.
C1753
[RECEIVER ERR] RL
The rear LH tire pressure receiver dose not receive
a signal.
Low tire pressure warning control unit
—
Value (Approx.)
Connector
Terminal
M96
3
Ground
Approx. 4.5 V
4
5
6
OCC3879D
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст