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Home >> Dodge and Ram >> 1997 >> Caravan Base, 2.4 B >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 3.3L >> No Trouble Code Tests >> Test NTC-9A - Checking Idle Air Control Motor

Test NTC-9A - Checking Idle Air Control Motor

NOTE: Perform TEST NTC-1A or NTC-8A before proceeding. For connector terminal ID, see the CONNECTOR IDENTIFICATION DIRECTORY. For wiring diagram, see WIRING DIAGRAMS - 3.3L article.
  1. Start engine. Using scan tool, actuate idle air control motor to 1400 RPM. If engine speed sets at 1300-1500 RPM, return engine to normal idle. Idle speed motor is operating properly. Test is complete. If engine speed does not set at 1300-1500 RPM, go to next step.
  2. Return engine to normal idle. Inspect engine for vacuum leaks. If vacuum leaks exist, repair vacuum leaks as necessary. Perform TEST VER-2A. If no vacuum leaks exist, go to next step.
  3. Disconnect connector at idle air control motor. Idle air control motor is mounted on the throttle body and contains a 4-pin connector.
  4. Inspect connector for pushed out, miswired or damaged terminals. If terminals are pushed out, miswired or damaged, repair connector as necessary. Perform TEST VER-2A. If terminals are not pushed out, miswired or damaged, replace idle air control motor. Perform TEST VER-2A.
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