TM 9--2350--292--20--10016 00--4APU CONTROL BOX ENGINE OIL PRESSURE GAUGE READS ZERO WITHAPU ENGINE RUNNING -- CONTINUED0016 00FIs continuity present?CONTINUED FROM STEP EnoyesCONTINUED ON NEXT PAGE1. Reconnect harness 3W704 connector P1 atAPU engine disconnect.2. Disconnect harness 4W700 connector P1 atAPU control box.3. Place one multimeter lead on harness 4W700connector P2 bulkhead receptacle pin E andthe other multimeter lead on harness connectorsocket M. Check for continuity.Repair (WP 0290 00) orreplace (WP 0332 00)harness 4W700. Verifyfault is corrected.GIs continuity present?noyes1. Reconnect harness 4W700 connector P2 atbulkhead disconnect.2. Remove APU control box from the vehicle(WP 0247 00).3. Turn FUEL SHUT OFF switch ON(TM 9--2350--292--10).4. Place one multimeter lead on control boxreceptacle pin N and the other multimeter leadon pin F. Check for continuity.Go to STEP D oftroubleshooting chartfor AUXILIARYPOWER UNIT FUELSOLENOID FAILSTO ENERGIZE(WP 0021 00).
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