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Diagnostic Procedure 1. CHECK GROUND CONNECTION • Turn ignition switch off. • Loosen and retighten ground screws on the body (See Ground Inspection in Section 03 Electronic Engine Con- trols). • Inspect the ground connection E-208 (See Vehicle Wiring Harness Layout - Engine Room Harness (With Mit- subishi 2.4L Engine) in Section 16 Wiring). Is the ground connections OK? Yes >> Go to the next step. No >> Repair or replace ground connection. 2. CHECK THROTTLE POSITION SENSOR (TPS) ELECTRICAL CONNECTOR • Turn ignition switch off. • Disconnect the TPS (1) electrical connector. • Inspect the electrical connector for damage. Is the electrical connector OK? Yes >> Go to the next step. No >> Repair or replace the electrical connector as necessary. DIAGNOSIS & TESTING LTSM030027 03
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