TM 1-1520-238-T-5 8–98 8–32. PILOT TGT INDICATOR VERTICAL SCALE INDICATORS OR DIGITAL READOUTS – DO NOT 8–32 INDICATE AMBIENT TEMPERATURE 5 OIL PRESSURE Tools: Nomenclature Part Number Tool Kit, Electrical SC518099CLA06 Repairer’s Multimeter, Digital AN/PSM-45 Personnel Required: 68X Armament/Electrical Systems Repairer (2) References: TM 1-1520-238-23 TM 55–2840–248–23 WARNING Turn off power before detaching or attaching wires and connectors. High current 28 VDC or 115 VAC is present. Failure to do so could result in death or serious injury. 1. Check for 0 to 5 VDC at: P68–19 and P68–20, P68–22 and P68–23. Is voltage present? YES Replace pilot TGT indicator (TM 1-1520-238-23). NO Go to step 2. 2. Check for 0 to 5 VDC at: P400–37 and P400–38, P400–39 and P400–40. Is voltage present? YES Repair open wire between: P400–37 and P68–22, P400–38 and P68–23, P400–39 and P68–19, P400–40 and P68–20. NO Go to step 3. 3. Check for 0 to 5 VDC at: P400–41 and P400–42, P400–44 and P400–45. Is voltage present? YES Replace SDC (TM 1-1520-238-23). NO Go to step 4. 4. Check for open between: J24–2 and P400–41, J24–1 and P400–42, J23–2 and P400–44, J23–1 and P400–45. Does open exist? YES Repair open wire. Go to paragraph 8–10. NO Go to step 5. 5. Check for short between: J24–1 and ground, J24–2 and ground, J23–1 and ground, J23–2 and ground. Does short exist? YES Repair shorted wire between: J24–2 and P452–G, J452–G and P400–41, J24–1 and P452–G, J452–G and P400–42, J23–2 and P400–44, J23–1 and P400–45. Go to paragraph 8–10. NO Go to step 6.