Infiniti FX35, FX50 (S51). Manual — part 1931
C1728 RECEIVER ID
WT-27
< DTC/CIRCUIT DIAGNOSIS >
C
D
F
G
H
I
J
K
L
M
A
B
WT
N
O
P
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> GO TO 2.
2.
CHECK TIRE PRESSURE RECEIVER POWER SUPPLY CIRCUIT
1.
Disconnect the tire pressure receiver harness connector.
2.
Check the voltage between the 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.
Disconnect the low tire pressure warning control unit harness connector.
2.
Check the continuity between the low tire pressure warning control unit harness connector and tire pres-
sure 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
.
Connector
Terminal
—
Standard
M96
3
Ground
Stand by status
(Approx. 4.5 V)
4
5
6
Connector
Terminal
—
Standard
M96
3
Ground
When signal is re-
ceived
(Approx. 4.5 V)
4
5
6
OCC3879D
OCC3880D
Tire pressure receiver
—
Voltage
Connector
Terminal
E53 (Front LH)
1
Ground
7 - 16 V
E19 (Front RH)
B43 (Rear LH)
B251 (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
B251 (Rear RH)
WT-28
< DTC/CIRCUIT DIAGNOSIS >
C1728 RECEIVER ID
Is the low tire pressure warning control unit circuit normal?
YES
>> Replace the tire pressure receiver.
NO
>> Repair or replace error-detected parts.
C1729 VEHICLE SPEED SIG ERR
WT-29
< DTC/CIRCUIT DIAGNOSIS >
C
D
F
G
H
I
J
K
L
M
A
B
WT
N
O
P
C1729 VEHICLE SPEED SIG ERR
Description
INFOID:0000000005549620
Uses CAN communications from the ABS actuator and electric unit (control unit) to receive the vehicle speed
signal, and activates the Tire Pressure Monitoring System (TPMS) when the vehicle speed is 40 km/h
(25MPH) or more.
DTC Logic
INFOID:0000000005549621
DTC logic
DTC REPRODUCTION PROCEDURE
1.
DTC REPRODUCTION PROCEDURE
With CONSULT-III
1.
Drive for several minutes at a speed of 40 km/h (25MPH) or more, then stop the vehicle.
2.
Perform “AIR PRESSURE MONITOR self-diagnosis”.
Is DTC “C1729” detected?
YES
>> Perform trouble diagnosis. Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000005549622
1.
PERFORM ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS
With CONSULT-III
Perform “ABS” self-diagnosis.
Is DTC detected?
YES
>> Check malfunctioning circuit.
NO
>> GO TO 2.
2.
PERFORM THE SELF-DIAGNOSIS
With CONSULT-III
Perform “AIR PRESSURE MONITOR” self-diagnosis.
Is DTC “C1729” detected?
YES
>> Replace the low tire pressure warning control unit.
NO
>> GO TO 3.
3.
CHECK INFORMATION
With CONSULT-III
Select “DATA MONITOR” of “AIR PRESSURE MONITOR” and check the input/output 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.
DTC
Display Item
Malfunction detected condition
Possible causes
C1729
VHCL SPEED SIG ERR
Speed signal is not detected.
• CAN communication malfunction
• Low tire pressure warning control
unit malfunction
• ABS actuator and electric unit
(control unit) malfunction
WT-30
< DTC/CIRCUIT DIAGNOSIS >
C1750, C1751, C1752, C1753 RECEIVER
C1750, C1751, C1752, C1753 RECEIVER
Description
INFOID:0000000005549623
The front (A) tire pressure receiver (1) and rear (B) tire pressure
receiver (2) receive the tire pressure signal by radio waves from the
transmitter at each wheel, and transmit the tire pressure signal to the
low tire pressure warning control unit.
DTC Logic
INFOID:0000000005549624
DTC DETECTION LOGIC
DTC REPRODUCTION PROCEDURE
1.
DTC REPRODUCTION PROCEDURE
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.
Perform “AIR PRESSURE MONITOR” self-diagnosis.
Is DTC “C1750”, “C1751”, “C1752”, or “C1753” detected?
YES
>> Perform trouble diagnosis. Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000005549625
1.
CHECK TIRE PRESSURE RECEIVER INPUT SIGNAL
1.
Turn the ignition switch ON.
CAUTION:
Never start engine.
JSEIA0007ZZ
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 re-
ceive a signal.
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст