Nissan Pathfinder. Manual — part 1216
WT-46
< DTC/CIRCUIT DIAGNOSIS >
C1730, C1731, C1732, C1733 FLAT TIRE
C1730, C1731, C1732, C1733 FLAT TIRE
DTC Logic
INFOID:0000000009177449
NOTE:
The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II
User Guide for additional information.
• Activate and display TPMS transmitter IDs
• Display tire pressure reported by the TPMS transmitter
• Read TPMS DTCs
• Register TPMS transmitter IDs
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM SELF DIAGNOSTIC RESULT
With CONSULT
1. Drive at a speed of 40 km/h (25 MPH) or more for 3 minutes, and then drive the vehicle at any speed for
10 minutes.
2. Perform Self Diagnostic Result.
Is DTC C1730, C1731, C1732, or C1733 detected?
YES
>> Proceed to
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009177450
NOTE:
The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II
User Guide for additional information.
• Activate and display TPMS transmitter IDs
• Display tire pressure reported by the TPMS transmitter
• Read TPMS DTCs
• Register TPMS transmitter IDs
1.
TIRE PRESSURE SENSOR ID REGISTRATION
Perform tire pressure sensor ID registration. Refer to
.
Can the tire pressure sensor ID registration be completed?
YES
>> GO TO 2.
NO
>> Replace applicable tire pressure sensor. Refer to
WT-61, "Removal and Installation"
2.
CHECK TIRE PRESSURE
Check the air pressure of all wheels. Refer to
.
Is the inspection result normal?
YES
>> Perform DTC CONFIRMATION PROCEDURE again. Refer to
NO
>> GO TO 3.
CONSULT Display
DTC Detection Condition
Possible Cause
FLAT TIRE FL
[C1730]
Front LH tire pressure is 70 kPa (0.7 kg/cm
2
, 10
psi) or less.
• Low tire pressure
• Tire pressure sensor
FLAT TIRE FR
[C1731]
Front RH tire pressure is 70 kPa (0.7 kg/cm
2
, 10
psi) or less.
FLAT TIRE RR
[C1732]
Rear RH tire pressure is 70 kPa (0.7 kg/cm
2
, 10
psi) or less.
FLAT TIRE RL
[C1733]
Rear LH tire pressure is 70 kPa (0.7 kg/cm
2
, 10
psi) or less.
C1730, C1731, C1732, C1733 FLAT TIRE
WT-47
< DTC/CIRCUIT DIAGNOSIS >
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3.
CHECK TIRE PRESSURE SIGNAL
With CONSULT
1. Adjust tire pressure for all wheels to the specified value. Refer to
.
2. Select Data Monitor from AIR PRESSURE MONITOR of BCM.
3. Check that the air pressures match the specified value.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Repair or replace malfunctioning components.
Monitor item
Displayed value
AIR PRESS FL
Approximately equal to value indicated on tire gauge for front LH tire
AIR PRESS FR
Approximately equal to value indicated on tire gauge for front RH tire
AIR PRESS RR
Approximately equal to value indicated on tire gauge for rear RH tire
AIR PRESS RL
Approximately equal to value indicated on tire gauge for rear LH tire
WT-48
< DTC/CIRCUIT DIAGNOSIS >
C1734 BCM
C1734 BCM
DTC Logic
INFOID:0000000009177451
NOTE:
The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II
User Guide for additional information.
• Activate and display TPMS transmitter IDs
• Display tire pressure reported by the TPMS transmitter
• Read TPMS DTCs
• Register TPMS transmitter IDs
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM SELF DIAGNOSTIC RESULT
With CONSULT
Perform Self Diagnostic Result.
Is DTC C1734 detected?
YES
>> Proceed to
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009177452
NOTE:
The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II
User Guide for additional information.
• Activate and display TPMS transmitter IDs
• Display tire pressure reported by the TPMS transmitter
• Read TPMS DTCs
• Register TPMS transmitter IDs
Regarding Wiring Diagram information, refer to
WT-14, "Wiring Diagram - With Individual Tire Pressure Dis-
WT-23, "Wiring Diagram - Without Individual Tire Pressure Display"
.
1.
CHECK BCM HARNESS CONNECTORS
Check BCM harness connectors for damage or loose connections.
Is the inspection result normal?
YES
>> Repair or replace connectors.
NO
>> GO TO 2.
2.
CHECK BCM POWER SUPPLY AND GROUND
Check BCM power supply and ground. Refer to
.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness or connectors.
3.
CHECK REMOTE KEYLESS ENTRY RECEIVER POWER CIRCUIT
Check voltage between remote keyless entry receiver connector M86 terminal 1 and ground.
CONSULT Display
DTC Detection Condition
Possible Cause
CONTROL UNIT
[C1734]
TPMS malfunction in BCM.
BCM
C1734 BCM
WT-49
< DTC/CIRCUIT DIAGNOSIS >
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Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness or connectors.
4.
CHECK REMOTE KEYLESS ENTRY RECEIVER SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector M80 and remote keyless entry receiver connector.
3. Check continuity between BCM connector M80 terminal 119 and remote keyless entry receiver connector
M86 terminal 2.
4. Check continuity between BCM connector M80 terminal 119 and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace harness or connectors.
5.
CHECK REMOTE KEYLESS ENTRY RECEIVER GROUND CIRCUIT
Check continuity between remote keyless entry receiver connector M86 terminal 3 and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace harness or connectors.
6.
CHECK BCM INPUT/OUTPUT SIGNALS
Check BCM input/output signals. Refer to
.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace BCM. Refer to
BCS-80, "Removal and Installation"
Remote keyless entry receiver
Ground
Voltage
(Approx.)
Connector
Terminal
M86
1
—
Battery voltage
BCM
Remote keyless entry receiver
Continuity
Connector
Terminal
Connector
Terminal
M80
119
M86
2
Yes
BCM
Ground
Continuity
Connector
Terminal
M80
119
—
No
Remote keyless entry receiver
Ground
Continuity
Connector
Terminal
M86
3
—
Yes
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