FixVault

Test 7H - Bus Short To Battery

NOTE: For connector terminal identification, see CONNECTOR IDENTIFICATION  . For wiring diagrams, see appropriate article in ENGINE PERFORMANCE:

Using scan tool in ohmmeter mode, check resistance on Overhead Travel Information System (OTIS) module connector terminal No. 3 (Black/Light Green wire). If resistance is more than 5 ohms, repair open Black/Light Green wire. If resistance is less than 5 ohms, replace OTIS module.