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Home >> Dodge and Ram >> 1985 >> Caravan Base, 2.2 C, Standard >> Repair and Diagnosis >> Engine Performance >> System >> 2.2L EFC System >> Testing >> Solenoid Kicker Operation Test
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Solenoid Kicker Operation Test

  1. Remove air cleaner cover. Look at plunger of solenoid kicker diaphragm while starting engine. Vacuum diaphragm plunger should move out and hold throttle open for at least 5 minutes and then return throttle to curb idle position.
    NOTE: Some systems may hold throttle open for less than 5 minutes.
  2. If plunger movement is okay, go to step 3). If no plunger movement, go to step 4).
  3. Press A/C button and look at plunger for solenoid kicker vacuum diaphragm. Vacuum plunger should move out and hold throttle open while A/C compressor clutch is engaged. If plunger movement is okay, go to IGNITION SYSTEM TEST  . If no plunger movement, go to step 4).
  4. Connect diagnostic readout box to engine harness connector. Put system in "Switch Test Mode". Make sure A/C control is in "OFF" position. Press A/C button on and off.
  5. Code 88 should appear on display when A/C button is pressed on and then return to 00 when turned off. If code 88 appears when A/C button is turned on, replace computer. If code 88 does not appear, go to step 6).
  6. Turn ignition switch off. Disconnect computer 14-wire connector. Connect voltmeter to cavity No. 7 of 14-wire connector and ground. Make sure A/C button is off. Turn ignition switch to "RUN" position.
  7. Voltmeter should read within 1 volt of battery voltage. If voltage is okay, replace computer. If voltage is not okay, inspect wire from cavity No. 7 to A/C push button switch for an open circuit and repair as needed.
  8. Turn engine off. Disconnect vacuum supply line from solenoid kicker and connect a vacuum gauge to it. Start engine. Vacuum gauge should indicate intake manifold vacuum. If vacuum is okay, replace computer. If there is no vacuum, repair vacuum supply from carburetor.
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