Nissan Murano: Dtc/circuit Diagnosis / P062f Ecm

Nissan Murano (Z52) 2015-2024 Service Manual / Engine / Engine Control System :: Vq35de / Dtc/circuit Diagnosis / P062f Ecm

DTC Description

DTC DETECTION LOGIC

  • ECM back up system does not function properly.

  • EEPROM (built-in microcomputer) system internal ECM does not function properly.

DTC

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
P0603

ECM BACK UP/CIRCUIT

[Internal Control Module Keep Alive Memory (KAM) Error] 		Diagnosis condition Ignition switch ON
Signal (terminal) —
Threshold ECM back up system does not function properly
Diagnosis delay time —
P062F

CONTROL MODULE

(Internal control module EEPROM error) 		Diagnosis condition Start engine and let it idle
Signal (terminal) —
Threshold EEPROM (built-in microcomputer) system internal ECM does not function properly
Diagnosis delay time —

POSSIBLE CAUSE

DTC P0603

  • Harness or connectors

    [ECM power supply circuit is open or shorted.]

  • ECM

DTC P062F

  • Harness or connectors

    [ECM power supply circuit is open or shorted.]

  • ECM

FAIL-SAFE

Engine operating condition in fail-safe mode
DTC Fail safe mode Nissan Murano Vehicle behavior
P0603 ECM Engine torque may be limited.
DTC Confirmation Procedure

PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

  1. Turn ignition switch OFF and wait at least 10 seconds.

  2. Turn ignition switch ON.

  3. Turn ignition switch OFF and wait at least 10 seconds.

TESTING CONDITION:

Before performing the following procedure, confirm that battery voltage is between 11 V  or more with ignition switch ON.

>>

GO TO 2.

PERFORM DTC CONFIRMATION PROCEDURE

  1. Turn ignition switch ON and wait at least 1 second.

  2. Turn ignition switch OFF and wait at least 10 seconds.

  3. Repeat step 1 and 2 for 10 times.

  4. Erase DTC.

  5. Turn ignition switch OFF and wait at least 10 seconds.

  6. Turn ignition switch ON .

  7. Check the DTC.

Is DTC P062F detected?

YES>>

INSPECTION END

NO>>

Proceed to Diagnosis Procedure.

Diagnosis Procedure

INSPECTION START

  1. Turn ignition switch ON and wait at least 1 second.

  2. Turn ignition switch OFF and wait at least 10 seconds.

  3. Repeat step 1 and 2 for 10 times.

  4. Erase DTC.

  5. Turn ignition switch OFF and wait at least 10 seconds.

  6. Turn ignition switch ON .

  7. Check the DTC.

Is DTC erased?

YES>>

INSPECTION END

NO>>

GO TO 2.

REPLACE ECM

  1. Replace ECM. Refer to Removal and Installation.

  2. Perform Additional Service When Replacing ECM. Refer to Description.

>>

INSPECTION END

    P0607 Ecm

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    DTC Description DESCRIPTIONECM supplies a voltage of 5 V to some of the sensors systematically divided into 2 groups, respectively. Accordingly, when a short circuit develops in a sensor power source, a malfunction may occur simultaneously in the sensors belonging to the same group as the short-circuited sensor...

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