Nissan Altima 2007-2012 Service Manual: Function diagnosis

CAN COMMUNICATION SYSTEM

CAN System Specification Chart

Determine CAN system type from the following specification chart.

NOTE: Refer to LAN-16, "Trouble Diagnosis Procedure" for how to use CAN system specification chart.

×: Applicable

VEHICLE EQUIPMENT IDENTIFICATION INFORMATION

NOTE: Check CAN system type from the vehicle shape and equipment.

CAN Communication Signal Chart

Refer to LAN-15, "How to Use CAN Communication Signal Chart" for how to use CAN communication signal chart.

NOTE: Refer to LAN-21, "Abbreviation List" for the abbreviations of the connecting units.

*1: Models with VDC

*2: QR25DE models

*3: Models with VDC/TCS

NOTE: CAN data of the air bag diagnosis sensor unit is not used by usual service work, thus it is omitted.

    Basic inspection
    DIAGNOSIS AND REPAIR WORKFLOW Interview Sheet ...

    Other materials:

    Air mix door motor
    Description SYSTEM DESCRIPTION Component Parts Air mix door control system components are: • Front air control • Air mix door motor (LCU) System Operation The front air control receives user inputs through its various dials and switches. The front air control sends air mix door, mode d ...

    Spark plug
    Removal and Installation 1. Ignition coil 2. Spark plug 3. Rocker cover REMOVAL 1. Remove the ignition coil. Refer to EM-35, "Removal and Installation". 2. Remove the spark plug with a suitable spark plug wrench. INSPECTION AFTER REMOVAL • Do not use a wire brush for clean ...

    P1421 cold start control
    Description ECM controls ignition timing and engine idle speed when engine is started with prewarming up condition. This control promotes the activation of three way catalyst by heating the catalyst and reduces emissions. DTC Logic DTC DETECTION LOGIC NOTE: If DTC P1421 is displayed wit ...