Why does the Honda City idle higher when the headlights are turned on?
1 Answers
When the headlights are turned on, the car's idle speed will increase slightly, typically by around 50 RPM. Similarly, turning on the car's air conditioning will also cause the idle speed to rise, often by more than 50 RPM—sometimes even up to 100 RPM. This is because the air conditioning consumes significantly more electricity than the headlights. Of course, when all onboard electrical devices are turned off, the idle speed will return to the normal range. Below is an introduction to the Honda City: 1. Overview: The City is the only model in its class equipped with a 5-speed automatic transmission (5AT), which is commonly found in higher-end vehicles. The City's 5AT was specifically developed and designed by Guangqi Honda for the City, featuring Honda's unique internal transmission layout with shared gears for the 4th and 5th speeds. This design significantly reduces the transmission's size, contributing to the vehicle's overall weight reduction. The 5AT offers a wider gear ratio range, with lower ratios in gears 1-4. Compared to a 4AT, the 5AT provides a broader and more reasonable gear ratio range, resulting in lower engine RPM at the same high speeds, quieter operation, and better fuel efficiency. At the same low speeds, the 5AT's lower gear ratios deliver more robust driving power compared to the 4AT, further enhancing performance. 2. Powertrain: The City is equipped with the same 1.3L i-DSI and 1.5L VTEC engines as the Fit, with maximum power outputs of 60 kW and 79 kW, and maximum torque outputs of 116 N·m and 143 N·m, respectively. Both engines offer excellent fuel economy, while the 1.5L VTEC engine also provides outstanding power output. The 5-speed manual transmission paired with these engines remains unchanged, but the City's automatic transmission is a 5-speed hydraulic unit (5AT), unlike the CVT (continuously variable transmission) used in the Fit.
