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:
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