| Components |

| 1. Idler |
Removal 1. Disconnect the battery negative terminal. 2. Loosen the mounting bolts (A) and then, turn the adjusting bolt (B) clockwise in loose tension.
Removal and Installation 1. Remove the drive belt. (Refer to Timing System - "Dreve Belt") 2.
Inspection 1. Check the resistance of the ambient temperature sensor between terminals 1 and 2 whether it changes by changing the ambient temperature. 1. Ambient Sensor (+) 2.
System Overview Parkin Distance Warning (PDW) is an electronic driving aid that warns the driver to be cautious while parking or driving at low speed. The sensor uses ultrasonic waves to detect objects within proximity of the vehicle.