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Basic System (HVAC): Diagnosis Mazda 6 GH рестайлинг

Automatic HVAC System 2 illustrations ~701 words

AIR FILTER INSPECTION

  1. Verify that there is no damage, excessive dirt, or abnormal odor on the air filter. If there is any malfunction, replace the air filter. NOTE: The air filter cannot be reused by cleaning it with water or compressed air.

Scheme 76

Scheme 76: A/C UNIT REMOVAL/INSTALLATION
Scheme 76: A/C UNIT REMOVAL/INSTALLATION

Scheme 77

Scheme 77
Scheme 77
  1. Disconnect the negative battery cable.
  2. Discharge the refrigerant. (See «REFRIGERANT CHARGING»(ref-448617-S14847403472012012000000) .)
  3. Drain the engine coolant. (See «ENGINE COOLANT REPLACEMENT [MZR 2.5]»(ref-448580-S03220346392012012000000) .) (See «ENGINE COOLANT REPLACEMENT [MZI 3.7 V6]»(ref-448600-S26116776422012012000000) .)
  4. Remove the following parts. Glove compartment (See «GLOVE COMPARTMENT REMOVAL/INSTALLATION»(ref-448656-S36262450112012012000000) .) Dashboard under cover (See «DASHBOARD UNDER COVER REMOVAL/INSTALLATION»(ref-448656-S15925168382012012000000) .) Front scuff plates (See «FRONT SCUFF PLATE REMOVAL/INSTALLATION»(ref-448656-S42845656582012012000000) .) Front side trims (See «FRONT SIDE TRIM REMOVAL/INSTALLATION»(ref-448656-S24645152862012012000000) .) Upper panel (See «UPPER PANEL REMOVAL/INSTALLATION»(ref-448656-S41204061692012012000000) .) Decoration panel (See «DECORATION PANEL REMOVAL/INSTALLATION»(ref-448656-S12186936852012012000000) .) Shift knob (MTX) (See «MANUAL TRANSAXLE SHIFT MECHANISM LOCATION INDEX»(ref-448657-S31582424492012012000000) .) Shift panel (See «SHIFT PANEL REMOVAL/INSTALLATION»(ref-448656-S21764171192012012000000) .) Center panel lower (See «CENTER PANEL LOWER REMOVAL/INSTALLATION»(ref-448656-S13809786282012012000000) .) Climate control unit (See «CLIMATE CONTROL UNIT REMOVAL/INSTALLATION [FULL-AUTO AIR CONDITIONER]»(ref-448606-S32061511212012012000000) .) (See «CLIMATE CONTROL UNIT REMOVAL/INSTALLATION [MANUAL AIR CONDITIONER]»(ref-448607-S20228354472012012000000) .) Rear console (See «REAR CONSOLE REMOVAL/INSTALLATION»(ref-448656-S24311442192012012000000) .) Hood release lever (See «HOOD LATCH AND RELEASE LEVER REMOVAL/INSTALLATION»(ref-448614-S41008846102012012000000) .) Lower panel (See «LOWER PANEL REMOVAL/INSTALLATION»(ref-448656-S04202039792012012000000) .) Driver-side air bag module (See «DRIVER-SIDE AIR BAG MODULE REMOVAL/INSTALLATION»(ref-448570-S41657307962012012000000) .) Steering wheel (See «STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION [WITHOUT ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM]»(ref-448619-S01292366382012012000000) .) (See «STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION [WITH ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM]»(ref-448619-S18771656912012012000000) .) Column cover (See «COLUMN COVER REMOVAL/INSTALLATION»(ref-448656-S12743804542012012000000) .) Combination switch (See «COMBINATION SWITCH REMOVAL/INSTALLATION»(ref-448651-S19122248902012012000000) .) Meter hood (See «METER HOOD REMOVAL/INSTALLATION»(ref-448656-S09959257172012012000000) .) Instrument cluster (See «INSTRUMENT CLUSTER REMOVAL/INSTALLATION»(ref-448586-S17394319142012012000000) .) Center panel upper (See «CENTER PANEL UPPER REMOVAL/INSTALLATION»(ref-448656-S12464949122012012000000) .) Audio unit (See «AUDIO UNIT REMOVAL/INSTALLATION»(ref-448591-S42816289752012012000000) .) Steering shaft cover (See «STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION [WITHOUT ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM]»(ref-448619-S01292366382012012000000) .) (See «STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION [WITH ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM]»(ref-448619-S18771656912012012000000) .) Steering shaft (See «STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION [WITHOUT ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM]»(ref-448619-S01292366382012012000000) .) (See «STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION [WITH ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM]»(ref-448619-S18771656912012012000000) .) Side panel (See «SIDE PANEL REMOVAL/INSTALLATION»(ref-448656-S21955955632012012000000) .) SIRIUS satellite radio unit (See «SIRIUS SATELLITE RADIO UNIT REMOVAL/INSTALLATION»(ref-448591-S17549509352012012000000) .) Passenger-side air bag module (See «PASSENGER-SIDE AIR BAG MODULE REMOVAL/INSTALLATION»(ref-448570-S05866549032012012000000) .) A-pillar trims (See «A-PILLAR TRIM REMOVAL/INSTALLATION»(ref-448656-S22638988852012012000000) .) Dashboard (See «DASHBOARD REMOVAL/INSTALLATION»(ref-448656-S12911950632012012000000) .) CAUTION: If moisture or foreign material enters the refrigeration cycle, cooling ability will be lowered and abnormal noise or other malfunction could occur. Always plug open fittings immediately after removing any refrigeration cycle parts.
  5. Disconnect from A/C unit in the order indicated in the table. Do not allow compressor oil to spill. PARTS DESCRIPTION CHART 1 Bolt 2 Cooler pipe (See «REFRIGERANT LINE REMOVAL/INSTALLATION»(ref-448620-S23474466362012012000000) .) 3 Cooler hose (See «REFRIGERANT LINE REMOVAL/INSTALLATION»(ref-448620-S23474466362012012000000) .) 4 Nut 5 Bracket 6 Heater hose
  6. Remove the A/C unit. Do not allow compressor oil.
  7. Install in the reverse order of removal.
  8. Perform the refrigerant system performance test. (See «REFRIGERANT SYSTEM PERFORMANCE TEST»(ref-448617-S42234570072012012000000) .)
  9. inspect for engine coolant leakage. (See «ENGINE COOLANT LEAKAGE INSPECTION [MZR 2.5]»(ref-448580-S05051878482012012000000) .) (See «ENGINE COOLANT LEAKAGE INSPECTION [MZI 3.7 V6]»(ref-448600-S04552116222012012000000) .)

EVAPORATOR INSPECTION

  1. Inspect the evaporator for damage, cracks, and oil leakage. If there is any malfunction, replace the evaporator.
  2. Visually inspect the fins for bending.
  1. If there is any bending, use the end of a flathead screwdriver to straighten the fins.

HEATER CORE INSPECTION

  1. Inspect the heater core for damage, cracks, and water leakage. If there is any malfunction, replace the heater core.
  2. Visually inspect the fins for bending. If there is any bending, use the end of a flathead screwdriver to straighten the fins.
  3. Visually inspect the heater hose for deformation. Repair with pliers if there is deformation. If there is any malfunction, replace the heater core.

CONDENSER INSPECTION

  1. Inspect the condenser for cracks, damage, and oil leakage. If there is any malfunction, replace the condenser.
  2. Visually inspect the fins for clogging of foreign material. If any fins are clogged, remove the foreign material.
  3. Visually inspect the fins for bending.
  1. If there is any bending, use the end of a flathead screwdriver to straighten fins.

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