Nissan Juke Service and Repair Manual : On Board Diagnosis (OBD) System of CVT and Engine

The ECM has an on board diagnostic system. It will light up the malfunction indicator lamp (MIL) to warn the driver of a malfunction causing emission deterioration.

CAUTION:
Be sure to turn the ignition switch OFF and disconnect the battery cable from the negative terminal before any repair or inspection work. The open/short circuit of related switches, sensors, solenoid valves, etc. will cause the MIL to light up.

Be sure to connect and lock the connectors securely after work. A loose (unlocked) connector will cause the MIL to light up due to an open circuit. (Be sure the connector is free from water, grease, dirt, bent terminals, etc.) Be sure to route and secure the harnesses properly after work. Interference of the harness with a bracket, etc. may cause the MIL to light up due to a short circuit.

Be sure to connect rubber tubes properly after work. A misconnected or disconnected rubber tube may cause the MIL to light up due to a malfunction of the EGR system or fuel injection system, etc.

Be sure to erase the unnecessary malfunction information (repairs completed) from the TCM and ECM before returning the vehicle to the customer.

    General Precautions
    Turn ignition switch OFF and disconnect the battery cable from the negative terminal before connecting or disconnecting the CVT assembly harness connector. Because battery voltage is applied to T ...

    Removal and Installation Procedure for CVT Unit Connector
    REMOVAL Rotate bayonet ring (A) counterclockwise. Pull out CVT unit harness connector (B) upward and remove it. INSTALLATION 1. Align marking (A) on CVT unit harness connector terminal with m ...

    Other materials:

    Positive crankcase ventilation
    Inspection 1.CHECK PCV VALVE With engine running at idle, remove PCV valve from rocker cover. A properly working valve makes a hissing noise as air passes through it. A strong vacuum should be felt immediately when a finger is placed over valve inlet. Is the inspection result normal? YES &g ...

    Intelligent Key
    Replace the battery in the Intelligent Key as follows: 1. Remove the mechanical key from the Intelligent Key. 2. Insert a small screwdriver into the slit of the corner and twist it to separate the upper part from the lower part. Use a cloth to protect the casing. 3. Replace the battery with ...

    Refrigerant pressure sensor
    Exploded View Refer to HA-39, "Exploded View". (HR16DE) Refer to HA-94, "Exploded View". (MR16DDT) Removal and Installation REMOVAL Remove refrigerant pressure sensor. Refer to HA-42, "REFRIGERANT PRESSURE SENSOR : Removal and Installation". (HR16DE) Refer to ...