Nissan Murano: Door & Lock :: Dtc/circuit Diagnosis / B242b Detect Sensor Power Supply

Nissan Murano (Z52) 2015-2024 Service Manual / Body Exterior, Doors, Roof & Vehicle Security / Door & Lock :: Dtc/circuit Diagnosis / B242b Detect Sensor Power Supply

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen items

(Trouble diagnosis content) 		DTC detecting condition
B242B

DETECT SENSOR POWER SUPPLY

(Kick sensor control unit) 		Diagnosis condition All times
Signal (terminal) –
Threshold When the power supply voltage to the motion activated back door control unit detects an over current.
Diagnosis delay time –

POSSIBLE CAUSE

  • Harness or connector (power supply circuit)

  • Motion activated back door control unit

  • BCM

FAIL-SAFE

Inhibit hands free operation

DTC Confirmation Procedure

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

  1. Erase DTC.

  2. Ignition switch OFF.

  3. Select "Self Diagnostic Result" mode of “AUTO BACK DOOR”, after the ignition switch has been pressed ON for 120 seconds or more.

Is any DTC detected?

YES>>

Refer to DTC Diagnosis Procedure.

NO>>

Inspection End.

Diagnosis Procedure

CHECK SELF DIAGNOSTIC RESULT

CONSULT

  1. Ignition switch ON.

  2. Select “Self Diagnostic Result” mode of “AUTO BACK DOOR”.

What is the display history of DTC “B242B”?

“CRNT”>>

GO TO 2.

“PAST”>>

GO TO 3.

CHECK INTERMITTENT INCIDENT

CONSULT

  1. Check intermittent incident. Refer to Intermittent Incident.

  2. Select “Self Diagnostic Result” mode of “AUTO BACK DOOR”.

Is DTC “B242B” detected?

YES>>

GO TO 4.

NO>>

Inspection End.

ERASE DTC

CONSULT

  1. Ignition switch ON.

  2. Select “Self Diagnostic Result” mode of “AUTO BACK DOOR”.

  3. Erase DTC, and then repeat “DTC CONFIRMATION PROCEDURE”. Refer to DTC Confirmation Procedure.

Is DTC “B242B” detected?

YES>>

GO TO 4.

NO>>

Inspection End.

REPLACE MOTION ACTIVATED BACK DOOR CONTROL UNIT

CONSULT

  1. Ignition switch OFF.

  2. Replace motion activated back door control unit. Refer to Removal and Installation.

  3. Ignition switch ON.

  4. Erase DTC, and then repeat “DTC CONFIRMATION PROCEDURE”. Refer to DTC Confirmation Procedure.

Is DTC “B242B” detected?

YES>>

Replace BCM. Refer to Removal and Installation.

NO>>

Inspection End.

    B242a Clsr Condition

    DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen items (Trouble diagnosis content) DTC detecting condition B242A-01 CLSR CONDITION (Closure condition) Diagnosis condition All times Signal (terminal) Open switch signal, close switch signal (automatic back door control module connector terminal: 5, 11) Threshold Automatic back door control module detects open switch and close switch ON, when the back door closure motor starts to operate...

    B242e Hands Free Sensor 2

    DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen items (Trouble diagnosis content) DTC detecting condition B242E HANDS FREE SENOR 2 (Kick sensor 2) Diagnosis condition All times Signal (terminal) – Threshold BCM detects the abnormal resistance value of motion activated back door sensor (upper) via serial communication Diagnosis delay time – POSSIBLE CAUSE Motion activated back door sensor (upper) Harness or connectors [motion activated back door sensor (upper) circuit is open or shorted] BCM Motion activated back door control unit FAIL-SAFEInhibit motion activated automatic back door system DTC Confirmation Procedure PERFORM DTC CONFIRMATION PROCEDURE CONSULT Ignition switch ON...

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