Section 6 (Engine Controls - System & Component Testing): Introduction

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Before testing separate components or systems, follow proper workflow. See DIAGNOSTIC PROCEDURE under SELF-DIAGNOSTIC SYSTEM in SELF-DIAGNOSTICS - CARAVAN, TOWN & COUNTRY, & VOYAGER article. If no Diagnostic Trouble Codes (DTC) are present and a no-start condition exists, proceed to BASIC DIAGNOSTIC PROCEDURES - CARAVAN, TOWN & COUNTRY, & VOYAGER article. If no DTCs are present and a driveability condition exists, proceed to TROUBLE SHOOTING - NO CODES - CARAVAN, TOWN & COUNTRY, & VOYAGER article for diagnosis by symptom (i.e., ROUGH IDLE, ENGINE STALLS, etc.).

NOTE: Testing individual components does not isolate short or open circuits. Perform all voltage tests with a Digital Volt-Ohmmeter (DVOM) with a minimum 10-megohm input impedance, unless stated otherwise in test procedure. Use ohmmeter to isolate shorted or open wiring harness.