Nissan Murano: Road Wheels & Tires :: Dtc/circuit Diagnosis / C1734 Control Unit
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 sensor IDs
-
Display tire pressure reported by the TPMS sensor
-
Read TPMS DTCs
-
Register TPMS sensor IDs
DTC DETECTION LOGIC
| DTC No. |
CONSULT screen terms (Trouble diagnosis content) | DTC detection condition | |
|---|---|---|---|
| C1734 |
CONTROL UNIT (Control unit) |
Diagnosis condition | When ignition switch ON. |
| Signal (terminal) | — | ||
| Threshold | TPMS malfunction in BCM. | ||
| Diagnosis delay time | — | ||
POSSIBLE CAUSE
BCM
FAIL-SAFE
—
PERFORM SELF DIAGNOSTIC RESULT
CONSULT
-
Ignition switch ON.
-
Select “Self Diagnostic Result” mode of "BCM(AIR PRESSURE MONITOR)".
-
Check DTC.
Is DTC C1734 detected?
YES>>Refer to DTC Diagnosis Procedure.
NO>>Inspection End.
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 sensor IDs
-
Display tire pressure reported by the TPMS sensor
-
Read TPMS DTCs
-
Register TPMS sensor IDs
CHECK BCM HARNESS CONNECTORS
Check BCM harness connectors for damage or loose connections.
Is the inspection result normal?
YES>>GO TO 2.
NO>>Repair or replace connectors.
CHECK BCM POWER SUPPLY AND GROUND
Check BCM power supply and ground. Refer to Diagnosis Procedure.
Is the inspection result normal?
YES>>GO TO 3.
NO>>Repair or replace harness or connectors.
CHECK REMOTE KEYLESS ENTRY RECEIVER POWER CIRCUIT
Check voltage between remote keyless entry receiver harness connector and ground.
| (+) | (—) |
Voltage (Approx.) | |
|---|---|---|---|
| Remote keyless entry receiver | |||
| Connector | Terminal | ||
| M86 | 1 | Ground | Battery voltage |
Is the inspection result normal?
YES>>GO TO 4.
NO>>Repair or replace harness or connectors.
CHECK REMOTE KEYLESS ENTRY RECEIVER SIGNAL CIRCUIT
-
Ignition switch OFF.
-
Disconnect BCM connector and remote keyless entry receiver connector.
-
Check continuity between BCM harness connector and remote keyless entry receiver harness connector.
BCM Remote keyless entry receiver Continuity Connector Terminal Connector Terminal M80 119 M86 2 Yes -
Check continuity between BCM harness connector and ground.
BCM — Continuity Connector Terminal M80 119 Ground No
Is the inspection result normal?
YES>>GO TO 5.
NO>>Repair or replace harness or connectors.
CHECK REMOTE KEYLESS ENTRY RECEIVER GROUND CIRCUIT
Check continuity between remote keyless entry receiver harness connector and ground.
| Remote keyless entry receiver | — | Continuity | |
|---|---|---|---|
| Connector | Terminal | ||
| M86 | 3 | Ground | Yes |
Is the inspection result normal?
YES>>GO TO 6.
NO>>Repair or replace harness or connectors.
CHECK BCM INPUT/OUTPUT SIGNALS
Check BCM input/output signals. Refer to Reference Value.
Is the inspection result normal?
YES>>Inspection End.
NO>>Replace BCM. Refer to Removal and Installation.
C1729 Vhcl Speed Sig Err
DTC Description
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...
C1735 Ign Circuit Open
DTC Description
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...
Other information:
Nissan Murano (Z52) 2015-2024 Service Manual: Headlamp System
System Description SYSTEM DIAGRAMSignal transmission function list Signal name Input Output Description Combination switch signal Combination switch (lighting and turn signal switch) BCM Transmits the combination switch signal to the BCM. High beam request signal BCM IPDM E/R (CAN) Combination meter (CAN) Transmits high beam request signal via CAN communication...
Nissan Murano (Z52) 2015-2024 Service Manual: Filament
Inspection and Repair INSPECTIONWhen measuring voltage, wrap tin foil around the top of the negative probe. Then press the foil against the wire with your finger. Attach probe circuit tester (in Volt range) to middle portion of each filament. If a filament is burned out, circuit tester registers 0 or battery voltage...
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