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Home >> Infiniti >> 2012 >> G37 IPL, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (HVAC Control System (Sedan)) >> System Description >> Diagnosis System (Unified Meter&A/C Amp.) >> With PLASMACLUSTER System >> WITH PLASMACLUSTER SYSTEM: Diagnosis Description >> Operation Procedure
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Operation Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Start the engine (turn ignition switch ON).
    NOTE: When checking the procedure except step-4, it is possible to perform in the state of ignition switch ON.
  2. Press the OFF switch at 5 seconds or more (within 10 seconds after ignition switch is turned ON).
  3. Unified meter and A/C amp. self diagnosis mode starts.
  4. "Test item" are changed by the following operation.
    Test item Operation
    STEP-1 Indicator and display screen are checked. Former STEP-1 does not exist in this self-diagnosis function.
    STEP-2 Input signals from each sensor are checked. Turn temperature control dial (driver side) clockwise → STEP-3
    STEP-3 Mode and intake door motor positions are checked. Turn temperature control dial (driver side) clockwise → STEP-4
    Turn temperature control dial (driver side) counterclockwise → STEP-2
    STEP-4(1) Motors are checked. Turn temperature control dial (driver side) clockwise → STEP-5 (1)
    Turn temperature control dial (driver side) counterclockwise → STEP-3
    STEP-5 (1) Temperature detected by each sensor is checked. Turn temperature control dial (driver side) counterclockwise → STEP-4
    Press intake switch → STEP-5 (2)
    Press fan (UP:+) switch → AUXILIARY MECHANISM
    STEP-5 (2) Communication error. Turn temperature control dial (driver side) counterclockwise → STEP-4
    Press intake switch → STEP-5 (1)
    Press fan (UP:+) switch → AUXILIARY MECHANISM
    AUXILIARY MECHANISM Temperature setting trimmer. Press fan (DOWN:-) switch → STEP-5 (1)
    Foot position setting trimmer.
    Inlet port memory function.
    Exhaust gas/outside odor detecting sensor sensitivity adjustment function
    Auto intake interlocking movement change function
    (1) Engine must be running for compressor to operate.
  5. Self-diagnosis mode is canceled by either pressing AUTO switch or turning the ignition switch OFF.
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