TM 10-3930-675-20-10025 00-4ENGINE BATTERY VOLTAGE CIRCUITS TROUBLESHOOTING - CONTINUED0025 00Table 1. Error Code 1434 - Unswitched Battery Supply Circuit Failure Troubleshooting Procedures - Continued.MALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTIONError Code 1434 - Unswitched Battery SupplyCircuit Failure - Continued5. Ensure that ignition switch isin OFF position anddisconnect OEM harnessconnector from engine ECU(794).a. Inspect harness and engineECU (794) connectors fordirty, corroded, bent,broken, and pushed back orextended pins.Clean and repair connector(s) asrequired (WP 0111 00).b. Check harness and engineECU (794) for dirt ormoisture in or onconnectors and for missingor damaged connectorseals.Remove dirt and moisture fromconnector. Replace missing ordamaged connector seals (WP0111 00).6. Place ignition in OFF positionand disconnect OEM harnessconnector from engine ECU(794). Perform the followingvoltage checks.If voltage is not as specified,notify SRA to repair or replaceengine harness.a. Measure voltage fromOEM harness connectorpin 7 to pin 29. Voltageshould be 24-30V.b. Measure voltage fromOEM harness connector pin8 to pin 30. Voltage shouldbe 24-30V.
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