Nissan Murano: Side Radar (rear Left) (side Radar Lh) / C1b52-17 Blind Spot Warning Indicator Open Circuit

DTC Description

DTC DETECTION LOGIC

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

1. Start the engine.

2. Select “All DTC Reading” mode.

3. Check if “C1B52-17” is detected as the current malfunction in “Self Diagnostic Result” mode of “Side radar (Rear left)”.

Is the “C1B52-17” detected as the current malfunction?

Refer to Diagnosis Procedure.

To check malfunction symptom before repair: Refer to Intermittent Incident.

Confirmation after repair: Inspection End.

CHECK BLIND SPOT WARNING INDICATOR CIRCUIT FOR OPEN (1)

1. Turn ignition switch OFF.

2. Disconnect side radar LH harness connector and Blind Spot Warning indicator LH harness connector.

3. Check continuity between side radar LH harness connector and Blind Spot Warning indicator LH harness connector.

Is the inspection result normal?

GO TO 2.

Repair or replace harness or connector.

CHECK BLIND SPOT WARNING INDICATOR CIRCUIT FOR OPEN (2)

Check continuity between Blind Spot Warning indicator LH harness connector and ground.

Is the inspection result normal?

GO TO 3.

Repair or replace harness or connector.

CHECK SIDE RADAR VOLTAGE OUTPUT

1. Connect side radar LH harness connector.

2. Check voltage between Blind Spot Warning indicator LH harness connector and ground.

   Blind Spot Warning indicator LH		Ground	Condition	Voltage (Approx.)
   Connector	Terminal
   D21	1		Ignition switch OFF ⇒ ON (Approx. 2 sec.)	7 - 14 V

Is the inspection result normal?

Replace Blind Spot Warning indicator LH. Refer to Removal and Installation.

Replace side radar LH. Refer to Removal and Installation.