GEAR SHIFT INDICATOR OPERATION [MZR 1.3, MZR 1.5]
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• The PCM sends a gear shift indicator illumination request to the instrument cluster via CAN communication.
• The PCM compares the target gear speed calculated from each signal and the actual gear speed to determine a gear shift indicator illumination request.
Target gear speed (recommended gear position)
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― The target gear speed is determined by the vehicle speed, accelerator pedal opening angle, ascent rate, altitude, and steering angle.
Actual gear speed (current gear position)
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― The actual gear speed is determined by the vehicle speed, engine speed, tire diameter, final gear ratio, and gear engagement.
• The gear shift indicator illumination/off conditions are as follows:
Gear Shift Indicator Illumination Condition
• When the following condition is met, the gear shift indicator is illuminated as a result of the shift-up operation recommendation (worse fuel economy determined).
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― Target gear speed is higher than actual gear speed
Gear Shift Indicator Off Condition
• When any one of the following conditions is met, the gear shift indicator turns off.
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― Vehicle is stopped
― Gear is in neutral position or reverse position
― Until clutch is completely engaged when vehicle is started
― Clutch pedal is depressed for 2.0 s or more while driving
