Nissan Murano: Security Control System :: Dtc/circuit Diagnosis / B2608 Starter Relay

Nissan Murano (Z52) 2015-2024 Service Manual / Body Exterior, Doors, Roof & Vehicle Security / Security Control System :: Dtc/circuit Diagnosis / B2608 Starter Relay

DTC Description

DTC DETECTION LOGIC

NOTE:

  • If DTC B2608 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to DTC Description.

  • If DTC B2608 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to DTC Description.

DTC No. CONSULT screen terms (Trouble diagnosis content) DTC Detection Condition
B2608 STARTER RELAY (Starter relay) Diagnosis condition When ignition switch is ON.
Signal (terminal)
Threshold BCM outputs starter motor relay OFF signal but BCM receives starter motor relay ON signal from IPDM E/R (CAN)
Diagnosis delay time

POSSIBLE CAUSE

  • IPDM E/R

  • Harness or connectors

    (Starter relay circuit is open or shorted.)

  • Harness or connector

    (The CAN communication line is open or shorted.)

FAIL-SAFE

Inhibit engine cranking

DTC Confirmation Procedure

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

  1. Ignition switch ON under the following conditions to start engine:

    • Shift selector lever: In the P (Park) position.

    • Brake pedal: Depressed.

  2. Wait 1 second after engine started.

  3. Select “Self Diagnostic Result” mode of “BCM”.

  4. Check DTC.

Is DTC detected?

YES>>

Refer to Diagnosis Procedure.

NO>>

Inspection End.

Diagnosis Procedure

CHECK DTC OF IPDM E/R

CONSULT

Select “Self Diagnostic Result” mode of “IPDM E/R”.

Is DTC detected?

YES>>

Perform the trouble diagnosis related to the detected DTC. Refer to DTC Index.

NO>>

GO TO 2.

CHECK BCM POWER SUPPLY CIRCUIT

  1. Ignition switch ON.

  2. Check voltage between BCM harness connector and ground.

    (+) (–) Condition

    Voltage

    (Approx.)
    BCM
    Connector Terminal
    M19 62 Ground Selector lever N (Neutral) or P (Park) position Battery voltage
    Other than above 0 V

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

GO TO 3.

CHECK STARTER RELAY CIRCUIT

  1. Ignition switch OFF.

  2. Disconnect IPDM E/R connector.

  3. Disconnect BCM connector.

  4. Check continuity between IPDM E/R harness connector and BCM harness connector.

    IPDM E/R BCM Continuity
    Connector Terminal Connector Terminal
    E119 33 M19 62 Yes
  5. Check continuity between IPDM E/R harness connector and ground.

    IPDM E/R Ground Continuity
    Connector Terminal
    E119 33 No

Is the inspection result normal?

YES>>

Replace IPDM E/R. Refer to Removal and Installation.

NO>>

Repair or replace harness.

CHECK INTERMITTENT INCIDENT

Refer to Intermittent Incident.

>>

Inspection End.

    B2605 Pnp/clutch Sw

    DTC Description DTC DETECTION LOGICNOTE: If DTC B2605 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to DTC Description...

    B260f Eng State Sig Lost

    DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC Detection Condition B260F ENG STATE SIG LOST (Engine state signal lost) Diagnosis condition When ignition switch is ON...

    Other information:

    Nissan Murano (Z52) 2015-2024 Service Manual: System


    System Description SYSTEM DIAGRAMADAS CONTROL UNIT INPUT/OUTPUT SIGNAL ITEMInput Signal Item Transmit unit Signal name Description ECM CAN communication Closed throttle position signal Receives idle position state (ON/OFF) Accelerator pedal position signal Receives accelerator pedal position (angle) ICC prohibition signal Receives an operable/inoperable state of the ICC system Snow mode switch signal Receives an operational state of the snow mode Steering switch signal Main switch signal Receives the operational state of the ICC steering switch SET/COAST switch signal CANCEL switch signal RESUME/ACCELERATE switch signal DISTANCE switch signal Engine speed signal Receives engine speed Stop lamp switch signal Receives an operational state of the brake pedal Brake pedal position switch signal Receives an operational state of the brake pedal TCM CAN communication Input speed signal Receives the number of revolutions of input shaft Current gear position signal Receives a current gear position Shift position signal Receives a selector lever position Output shaft revolution signal Receives the number of revolutions of output shaft ABS actuator and electric unit (control unit) CAN communication ABS malfunction signal Receives a malfunction state of ABS ABS operation signal Receives an operational state of ABS ABS warning lamp signal Receives an ON/OFF state of ABS warning lamp TCS malfunction signal Receives a malfunction state of TCS TCS operation signal Receives an operational state of TCS VDC OFF switch signal Receives an ON/OFF state of VDC VDC malfunction signal Receives a malfunction state of VDC VDC operation signal Receives an operational state of VDC Nissan Murano Vehicle speed signal (ABS) Receives wheel speeds of four wheels Stop lamp switch signal Receives an operational state of the brake pedal Yaw rate signal Receives yaw rate acting on the Nissan Murano vehicle Side G sensor signal Receives lateral G acting on the Nissan Murano vehicle BCM CAN communication Front wiper request signal Receives an operational state of front wiper(s) Turn indicator signal Receives an operational state of the turn signal lamp and the hazard lamp Tail lamp request signal Receives a tail lamp request signal Brake pedal position switch signal Receives a brake pedal position switch signal Stop lamp switch signal Receives a stop lamp switch signal Stop lamp status signal Receives a stop lamp status signal Dimmer signal Receives ON/OFF state of dimmer signal Steering angle sensor CAN communication Steering angle sensor malfunction signal Receives a malfunction state of steering angle sensor Steering angle sensor signal Receives the number of revolutions, turning direction of the steering wheel Steering angle speed signal Receives the turning angle speed of the steering wheel Detected lane condition signal Receives detection results of lane marker Combination meter CAN communication System selection signal Receives a selection state of each item in “Driver Assistance” selected with the Nissan Murano vehicle information display Parking brake switch signal Receives an operational state of the parking brake Distance sensor (ICC sensor) ITS communication ICC sensor signal Receives detection results, such as the presence or absence of a Nissan Murano vehicle ahead and distance from the vehicle Lane camera unit (if equipped) ITS communication Detected lane condition signal Receives detection results of lane marker Detected pedestrian condition signal Receives detection results of pedestrian Side radar LH, RH ITS communication Nissan Murano Vehicle detection signal Receives vehicle detection condition of detection zone Lane intervention switch Lane intervention switch signal Receives an ON/OFF state of the lane intervention switch Output Signal Item Reception unit Signal name Description ECM CAN communication ICC operation signal Transmits an ICC operation signal necessary for intelligent cruise control ABS actuator and electric unit (control unit) CAN communication Brake fluid pressure control signal Transmits a brake fluid pressure control signal to activate the brake Combination meter CAN communication Meter display signal Handle support indicator signal Transmits a signal to display a state of the system on the information display Nissan Murano Vehicle ahead detection indicator signal Vehicle ahead detection indicator signal Set Nissan Murano vehicle speed indicator signal Set distance indicator signal SET switch indicator signal MAIN switch indicator signal Blind Spot Warning warning lamp signal Transmits a Blind Spot Warning warning lamp signal to turn ON the Blind Spot Warning warning lamp Intelligent Lane Intervention ON indicator lamp signal Transmits an Intelligent Lane Intervention ON indicator lamp signal to turn ON the Intelligent Lane Intervention ON indicator lamp Lane departure warning lamp signal Transmits a lane departure warning lamp signal to turn ON the lane departure warning lamp ICC warning lamp signal Transmits an ICC warning lamp signal to turn ON the ICC system warning lamp AEB indicator lamp signal Transmits a signal to turn ON the AEB indicator Transmits a signal to turn OFF the AEB indicator Distance sensor (ICC sensor) ITS communication Nissan Murano Vehicle speed signal Transmits vehicle speed calculated by the ADAS control unit Steering angle sensor signal Transmits steering angle sensor signal received from the steering angle sensor Side radar LH, RH ITS communication Nissan Murano Vehicle speed signal Transmits vehicle speed calculated by the ADAS control unit Blind Spot Warning indicator signal Transmits a Blind Spot Warning indicator signal to turn ON the Blind Spot Warning indicator Blind Spot Warning indicator dimmer signal Transmits a Blind Spot Warning indicator dimmer signal to dim Blind Spot Warning indicator Steering angle sensor CAN communication ICC brake hold drive signal Activates brake hold and turns ON the stop lamp BCM CAN communication Stop lamp ON request signal Transmits a stop lamp ON request signal Intelligent Lane Intervention system ON indicator Intelligent Lane Intervention system ON indicator signal Turns ON the Intelligent Lane Intervention system ON indicator Warning system buzzer Warning buzzer signal Activates warning system buzzer DESCRIPTION ADAS* control unit controls the following systems based on ITS communication signal and CAN communication signal from each control unit...

    Nissan Murano (Z52) 2015-2024 Owners Manual: System maintenance


    The sensor for the ICC system is located on the front of the vehicle. To keep the ICC system operating properly, be sure to observe the following: Always keep the sensor area clean. Do not strike or damage the areas around the sensor. Do not attach a sticker (including transparent material) or install an accessory near the sensor...

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