Nissan Murano: Side Radar (rear Left) (side Radar Lh) / C1b51-16 Blind Spot Warning Indicator Short Circuit
DTC DETECTION LOGIC
| DTC No. |
CONSULT screen terms (Trouble diagnosis content) | DTC detection condition | |
|---|---|---|---|
| C1B51-16 |
BSW/BSI IND SHORT CIR (Blind Spot Warning indicator short circuit) |
Diagnosis condition | When ignition switch is ON. |
| Signal (terminal) | – | ||
| Threshold | Short circuit in Blind Spot Warning indicator circuit is detected. (Over current is detected) | ||
| Diagnosis delay time | – | ||
POSSIBLE CAUSE
-
Blind Spot Warning indicator LH circuit
-
Blind Spot Warning indicator LH
-
Side radar LH
FAIL-SAFE
The following systems are canceled:
-
Blind Spot Warning (BSW)
-
Rear Cross Traffic Alert (RCTA)
PERFORM DTC CONFIRMATION PROCEDURE
CONSULT
-
Start the engine.
-
Select “All DTC Reading” mode.
-
Check if “C1B51-16” is detected as the current malfunction in “Self Diagnostic Result” mode of “Side radar (Rear left)”.
Is the “C1B51-16” detected as the current malfunction?
YES>>Refer to Diagnosis Procedure.
NO>>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO>>Confirmation after repair: Inspection End.
CHECK BSW INDICATOR CIRCUIT FOR SHORT
-
Turn ignition switch OFF.
-
Disconnect side radar LH harness connector and blind spot warning indicator LH harness connector.
-
Check continuity between side radar LH harness connector and ground.
| Side radar LH |
Ground |
Continuity | |
| Connector | Terminal | ||
| B465 | 4 | No | |
Is the inspection result normal?
YES>>GO TO 2.
NO>>Repair the harnesses or connectors.
REPLACE THE BLIND SPOT WARNING INDICATOR
CONSULT
-
Replace the blind spot warning indicator LH.
-
Perform “All DTC Reading”.
-
Check if “C1B51-16” is detected in “Self Diagnostic Result” of “Side radar (Rear left)”
Is the DTC “C1B51-16” detected?
YES>>Replace the side radar LH. Refer to Removal and Installation.
NO>>Inspection End.
C1b50-49 Side Radar Malfunction
DTC Description
DTC DETECTION LOGIC DTC No.
CONSULT screen terms
(Trouble diagnosis content) DTC detection condition
C1B50-49
SIDE RDR MALFUNCTION
(Side radar malfunction)
Diagnosis condition
When ignition switch is ON...
C1b52-17 Blind Spot Warning Indicator Open Circuit
DTC Description
DTC DETECTION LOGIC DTC No.
CONSULT screen terms
(Trouble diagnosis content) DTC detection condition
C1B52-17
BSW/BSI IND OPEN CIR
(Blind Spot Warning indicator open circuit)
Diagnosis condition
When ignition switch is ON...
Other information:
Nissan Murano (Z52) 2015-2024 Service Manual: U0433-83 Dist Sen Can Circ 2
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Nissan Murano (Z52) 2015-2024 Service Manual: Fuel Pump Control Module (fpcm)
System Description SYSTEM DIAGRAM*1: ECM determines the start signal status by the signals of engine speed and battery voltage.*2: This sensor is not used to control the engine system under normal conditions.INPUT/OUTPUT SIGNAL CHART Sensor Input signal to ECM ECM function Actuator Crankshaft position sensor (POS) Engine speed* Fuel pump control FPCM ↓ Fuel pump Camshaft position sensor (PHASE) Engine coolant temperature sensor Engine coolant temperature Mass air flow sensor Amount of intake air Battery Battery voltage* *: ECM determines the start signal status by the signals of engine speed and battery voltage...
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Autolight system
The autolight system allows the headlights to turn on and off automatically. The autolight system can:
Turn on the headlights, front parking, tail, license plate and instrument panel lights automatically when it is dark. Turn off all the lights (except daylight running lights) when it is light. Keep all the lights on for a period of time after you place the ignition switch in the OFF position and all doors are closed.