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IMPORTANT New for the 2003 RS equipped with the 2.4L is Controller (NGC) for DaimlerChrysler and will be referred to as the tools are introduced to help in diagnosing and repairing the new PCM 1.0 INTRODUCTION The procedures contained in this manual include specifications, manuals, and graphics needed to Please follow the recommendations below when choosing your diagnostic path. 1. First make sure the DRBIII t is communicating with the appropriate modules; ie., if the DRBIII t displays a No Response condition, you must 2. Read DTC’s (diagnostic trouble codes) with the DRBIII t. 3. If no DTC’s are present, identify the customer complaint. 4. Once the DTC or customer complaint is identi- fied, locate the matching test in the Table of All component location views are in Section 8.0. All connector pinouts are in Section 9.0. All system An * placed before the symptom description indi- cates a customer complaint. When repairs are required, refer to the appropri- ate service information for the proper removal and Diagnostic procedures change every year. New diagnostic systems may be added; carryover sys- If you have any comments or recommendations after reviewing the diagnostic information, please 1.1 SYSTEM COVERAGE This diagnostic procedures manual covers the 2003 RS vehicle equipped with the following en- • 2.4L (NGC) • 3.3L/3.8L (SBEC) 1.2 SIX-STEP TROUBLESHOOTING Diagnosis of the powertrain control module (PCM) is done in six basic steps: • verification of complaint • verification of any related symptoms • symptom analysis • problem isolation • repair of isolated problem • verification of proper operation 2.0 IDENTIFICATION OF The Powertrain Control Module (PCM) monitors and controls: • Fuel System • Idle Air Control System • Ignition System • Charging System • Speed Control System • Cooling system 1 GENERAL INFORMATION |