Mazda CX-5 Service & Repair Manual: Power Supply Switching
Outline
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By pressing the push button start, switching of the power supply is performed.
Function
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The start stop unit switches the power supply according to the vehicle conditions such as the selector lever (ATX)/shift lever (MTX) position and the pedal depression/release when the push button start is pressed.
Push button start indicator light
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Illuminates the push button start indicator light to notify the driver of the power supply status.
System wiring diagram
Structural view
Operation
Switches between ignition switch ON (engine on)/ON (engine off)/ACC/ OFF (LOCK).
1. When the push button start is pressed, a push button start switch signal is input to the start stop unit.
2. The power supply switches according to the vehicle conditions such as the selector lever (ATX)/shift lever (MTX) position and the pedal depression/release.
NOTE:
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Refer to the Push Button Start System Engine Start Permit Function regarding the engine starting conditions.
* To switch the ignition to ACC or off (LOCK) from ON (engine on), a vehicle speed of 5 km/h {3 mph} or less is required.
Automatic ignition switch off
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If the ignition has been switched ON (engine off) or switched to ACC for 60 min or more, the start stop unit automatically switches the ignition off (LOCK).
Engine Emergency Stop
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If an ignition switch ON signal is input for 3 s or more (ignition switch held pressed), or a push button start ON signal is input 3 times within 1.5 s, the start stop unit switches the ignition to ACC or off (LOCK).
Push button start indicator light
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Green illumination
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Illuminates if the conditions necessary for engine-start are met.
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Green flashing
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Flashes when the steering lock cannot be released.
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Amber illumination
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Illuminates when the steering lock has been released or there is a malfunction in the system.
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Amber flashing
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Flashes when a malfunction is detected.
Fail-safe
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Function not equipped.
Ignition
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Exhaust System
Purpose, Outline
A 4-2-1 exhaust system has been adopted which reduces residual gas in the
cylinders using the scavenging effect and contributes to a high compression
ratio.
The loop structure of the exhaust pipes for the 4-2-1 system takes up less
space.
Structural Vie ...
Hydraulic Variable Valve Timing Control
Outline
Changes the exhaust valve timing according to engine operation conditions
to improve engine output, fuel economy, and emission performance.
Based on each input signal, the PCM determines the optimum exhaust valve
timing according to the engine operation conditions. The P ...
Engine Oil Control
Outline
The PCM reduces the oil pump load applied to the engine by controlling the
appropriate engine hydraulic pressure according to the engine operation conditions.
The engine hydraulic pressure switches in two steps. When hydraulic pressure
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