TM 9-2815-210-34-1 CHAPTER 5 TROUBLESHOOTING ROADMAP 5-1. GENERAL. This chapter gives a troubleshooting roadmap for the engine for which you have detailed troubleshooting procedures. Figure 5-1 covers the roadmap for the detailed procedures. 5-2. ROADMAP . The roadmap gives a list of things which are most likely to cause a fault symptom in a system or subsystem. At least one of the items listed will be found to be bad when you do the detailed troubleshooting procedures for that system. 5-1