Index Jeep Jeep Wrangler TJ - service repair manual 2005 year
|
|
1.0 INTRODUCTION The procedures contained in this manual include all the specifications, instructions, and graphics Please follow the recommendations below when choosing your diagnostic path. 1. First make sure the DRBIII t is communicating with the appropriate modules: i.e., if the t displays a 9No Response9 condition, you must diagnose that first. 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 sche- An asterisk (*) placed before the symptom de- scription indicates a customer complaint. When repairs are required, refer to the appropri- ate service manual for the proper removal and Diagnostic procedures change every year. New diagnostic systems may be added: carryover sys- This book reflects many suggested changes from readers of past issues. After using this book, if you 1.1 SYSTEM COVERAGE This diagnostic procedures manual covers all 2005 Jeep t Wrangler (TJ) vehicles. 1.2 SIX-STEP TROUBLESHOOTING Diagnosis of the body system is performed in six basic steps: 1. verification of complaint 2. verification of any related symptoms 3. symptom analysis 4. problem isolation 5. repair of isolated problem 6. verification of proper operation 2.0 IDENTIFICATION OF The vehicle systems that are part of the 9body9 system are: • airbag system • audio • chime • electrically heated systems • instrument cluster • vehicle communications 3.0 SYSTEM DESCRIPTION AND The body system on the 2005 Jeep t Wrangler (TJ) consists of a combination of modules that commu- 9ad- dressed 9 to it through a binary coding process. This method of data transmission significantly reduces 3.1 AIRBAG SYSTEM The Airbag system is designed to provide in- creased driver and passenger protection if the vehi- Whenever the ignition switch is turned to the Run or Start position, the ACM performs a warning The ACM monitors critical input and output circuits within the airbag system, ensuring the 1 GENERAL INFORMATION |