Mazda CX-5 Service & Repair Manual: Intake Manifold Vacuum Inspection
1. Disconnect the evaporative hose No.3 (purge solenoid valve side) and install the vacuum gauge..
2. Verify that the intake air hoses are installed securely.
3. Warm up the engine.
4. Measure the intake manifold vacuum while idling (no load) using the vacuum gauge.
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If not within the specification, perform the following inspections.
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Compression pressure.
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Check valve.
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Air suction
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Installation areas of each vacuum hose
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Installation area of throttle body
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Installation area of fuel injector
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Installation area of PCV valve
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Installation area of intake manifold
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Standard
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Approx. –60.0 kPa {–450.0 mmHg, –17.7 inHg}
Intake Air Temperature (Iat) Sensor
IAT Sensor No.1
Purpose/Function
Detects the IAT before it passes through the throttle body as basic information
for mainly determining the fuel injection amount.
Detects the IAT be ...
Intake Manifold
Purpose, Function
Distributes intake air to each cylinder evenly.
Optimizes the combustion efficiency and performance of the engine by distributing
intake air to each cylinder.
...
Other materials:
Tire Pressure Monitoring System
Tire Pressure Monitoring System
• The Tire Pressure Monitoring System (TPMS)
monitors the air pressure of all four wheels. If the air pressure of one or more
tires is too low, the system warns the driver by indicating the tire pressure monitoring
system warning light in the instrument clust ...
Antilock Brake System (ABS)
The ABS control unit continuously monitors the speed of each wheel. If one wheel
is about to lock up, the ABS responds by automatically releasing and reapplying
that wheel's brake.
The driver will feel a slight vibration in the brake pedal and may hear a chattering
noise from the brake sy ...
Air Bag System Warning Alarm [Standard Deployment Control System]
Purpose
The air bag system warning alarm notifies the driver that a malfunction occurred
in the air bag system instead of the air bag system warning light.
Function
If a malfunction occurs in the air bag system while the air bag system warning
light cannot illuminate, the a ...
