TM 10-3930-675-20-10016 00-3INPUT AND OUTPUT SIGNALS FOR STEERING ECU (792) TROUBLESHOOTING - CONTINUED0016 00Table 4. Error Code 406 - Short Circuit Failure of Crab Steering Control Lamp Troubleshooting Procedures.MALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTIONError Code 406 - Short Circuit Failure of CrabSteering Control Lamp1. Check voltage at connectorX153 pin 3. Voltage shouldbe 22-26V.If voltage is not as specified,notify SRA to replace wire 1533.2. Check voltage at connectorX160 pin 3. Voltage shouldbe 22-26V.If voltage is not as specified,notify SRA to replace wireA1533.3. Check voltage at connectorX177 pin 3. Voltage shouldbe 22-26V.If voltage is not as specified,notify SRA to replace wire 1603.4. Check voltage at steeringECU (792) connector pin 66.Voltage should be 22-26V.a. If voltage is not as specified,notify SRA to replace wireA1773.b. If voltage is not present,replace steering ECU (792)(WP 0079 00).Table 5. Error Code 408 - Short Circuit Failure of Unlocked Twistlock Control Lamp Troubleshooting Procedures.MALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTIONError Code 408 - Short Circuit Failure ofUnlocked Twistlock Control Lamp1. Check voltage at connectorX153 pin 4. Voltage shouldbe 22-26V.If voltage is not as specified,notify SRA to replace wire 1534.2. Check voltage at connectorX160 pin 4. Voltage shouldbe 22-26V.If voltage is not as specified,notify SRA to replace wireA1534.3. Check voltage at connectorX177 pin 4. Voltage shouldbe 22-26V.If voltage is not as specified,notify SRA to replace wire 1604.4. Check voltage at steeringECU (792) connector pin 64.Voltage should be 22-26V.a. If voltage is not as specified,notify SRA to replace wireA1774.b. If voltage is not present,replace steering ECU (792)(WP 0079 00).
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