Question about Mitsubishi Mirage
For Idle Air Control Motor check this procedure to several task...
The Idle Air Control (IAC) motor is a DC stepper motor controlled by the PCM. The IAC contains a built-in position sensor which detects the amount of opening of the motor. The position sensor outputs a pulse signal that the PCM receives and uses to adjust the motor to properly maintain the correct idle speed of the engine.
Fig. IAC motor testing and pin locations
Place a stethoscope (a long screwdriver works also, just place the screwdriver on the IAC and place your ear on or near the handle) on the IAC motor. Have an assistant turn the key ON with the engine OFF , and listen to the IAC motor. Several clicks should be heard as the stepper motor moves. If the clicks are heard, the driver in the PCM and the circuit are OK.
If the driver and circuits test OK, detach the connector from IAC motor. Using an ohmmeter, probe the connector on the IAC motor, NOT THE WIRING HARNESS, between pins 2 and 1 , and pins 2 and 3 . Resistance should measure between 28-33 ohms. If the resistance values are different replace the IAC motor. If the tests between pins 1, 2, and 3 are within specification, check the resistance between pins 5 and 4 , and pins 5 and 6 . Resistance should measure between 28-33 ohms. If the resistance values are different replace the IAC motor.
REMOVAL & INSTALLATION
Fig. The IAC motor is usually mounted on the throttle body
Hope this help.
Posted on May 09, 2010
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Nov 09, 2014 | Cars & Trucks
See Figures 1, 2, 3, 4 and 5
Check the condition and tension of all drive belts every 12,000 miles, or at least once a year. Loose drive belts can lead to poor engine cooling and diminished alternator, power steering pump, air conditioning compressor, or emission air pump output. A belt that is too tight places a strain on the bearings in the driven component.
Fig. Fig. 5: Installing too wide a belt can result in serious belt wear and/or breakage
Replace any drive belt that is glazed, worn, cracked, or stretched to the point where correct adjustment tension is impossible. If two belts are used to drive a component, always replace both belts when replacement is necessary. After installing a new belt, run the engine for ten minutes, shut OFF the engine and recheck the belt tension. Readjust if necessary.
Fig. Fig. 10: Engine belt tension chart-1994-95 models
Two popular methods of checking drive belt adjustment are; the Belt Tension Gauge Method and the Belt Deflection Method. The former requires a special gauge and the latter requires a straight edge and scale or just a good eye for measurement. The deflection method will be used in the following belt replacement instructions. A rule of thumb for checking belt tension by the deflection method is to determine the midpoint between two pulleys of the drive belt and press down at that point with moderate thumb pressure. The belt should deflect to the measurement indicated in the following installation procedures. Adjustment is necessary if the belt is either too loose or too tight.
WARNING A belt adjustment which is either too loose or too tight will eventually damage the accessory that belt is driving. A too loose adjustment allows free-play in the belt which could transfer a whipping motion or shock to the accessory drive pulley. Similarly, a belt which is too tight will preload the accessory bearings, leading to early failure.
Fig. Fig. 14: Removing the A/C compressor drive belt from under the vehicle
Fig. Fig. 16: Loosening the locking screw for alternator drive belt removal
If removal of the alternator belt is required, the A/C belt must first be removed.
Fig. Fig. 17: Air pump belt adjustment-2.2L engines
When servicing the air pump, use the square holes provided in the pulley to prevent camshaft rotation.
Fig. Fig. 18: Drive belt adjustment points-2.5L engines
Fig. Fig. 19: Drive belt adjustment points-2.6L engines
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