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:
Afs Off Indicator Light
Purpose
The AFS OFF indicator light notifies the user that the AFS is stopped or
a malfunction occurs in the AFS.
Function
The AFS OFF indicator light illuminates when the AFS is stopped and flashes
when a malfunction occurs in the AFS.
Construction
When the mi ...
Headlight Auto Leveling System Initialization
NOTE:
The AFS control module records the vehicle height while it is unoccupied
by performing the headlight auto leveling system initial setting.
Perform headlight auto leveling system initial setting if any of the following
work is performed.
AFS control module rep ...
Passenger Side Air Bag Module Removal/Installation [Two Step Deployment Control
System]
WARNING:
Handling the air bag module improperly can accidentally deploy the air bag
module, which may seriously injure you. Read the air bag system service warnings
and cautions before handling the air bag module..
Due to the adoption of 2-step deployment control in the passeng ...
