- repair the wiring or replace the circuit breaker as required.
R (6) If the fault continues:
 - replace the EIU-1(2) (1KS1(2)) (Ref. AMM TASK 73-25-34-000-040) and (Ref. AMM TASK 73-25-34-400-040).
 C. No additional maintenance action is required if the fault is not confirmed.
 (1) Repeat the fault isolation procedure if the fault continues.
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 TASK 79-00-00-810-815
 Loss of the Oil Temperature Indication on Engine 1 or 2
 1. Possible Causes
_______________
 - EIU-1 (1KS1)

 - SENSOR-OIL TEMP (4004EN)

 - aircraft wiring

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
AMM 24-41-00-861-002 Energize the Aircraft Electrical Circuits from the
 External Power
 AMM 71-51-43-000-001 Removal of the Left Side Harness (4216KS)
 AMM 71-51-43-400-001 Installation of the Left Side Harness (4216KS)
 AMM 73-25-34-000-040 Removal of the Engine Interface Unit (EIU)

 (1KS1,1KS2) AMM 73-25-34-400-040 Installation of the Engine Interface Unit (EIU) (1KS1,1KS2) AMM 79-32-15-000-041 Removal of the Oil Temperature Sensor (Engine Condition Monitoring Sensor) AMM 79-32-15-400-041 Installation of the Oil Temperature Sensor (Engine Condition Monitoring Sensor) ASM 79-36/01
 3. Fault Confirmation
__________________
 A. Test
 (1) Not applicable.
 4. Fault Isolation
_______________
 A. Procedure.
 NOTE : The fault is triggered if the oil temperature sensor output signal
____ is lost either at the EIU input or at the EIU output.
 (1) Check carrefully electrical connector at the oil temperature sensor (4004EN) for looseness, damaged pins or contamination.
 (a) If damage is found:
 - repair or replace as necessary.
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 - replace the SENSOR-OIL TEMP (4004EN) (Ref. AMM TASK 79-32-15-000-041) and (Ref. AMM TASK 79-32-15-400-041).
 (2) If the fault continues:
 - do a check of the aircraft wiring between the oil temperature sensor (4004EN) and the EIU (1KS1) for open or short to ground (Ref. ASM 79-36/01) pin AA/1 to pin AA/10F. Pay particular attention to engine to pylon connectors 4005VC-A, 405VC-A, 4006VC-A and 406VC-A and to ground wire connections (9951DC, 9956DC and 9957DC) on Engine Fan Case (check for looseness or contamination).
 (a) if damage is found:

 - repair or replace the harness as necessary (Ref. AMM TASK 71-51-43-000-001) and (Ref. AMM TASK 71-51-43-400-001).

 (b) if nothing is found:

 - replace the EIU-1 (1KS1) (Ref. AMM TASK 73-25-34-000-040) and (Ref. AMM TASK 73-25-34-400-040).
 B. Test.
 (1) With A/C electrical network supplied (Ref. AMM TASK 24-41-00-861-002) check that the oil temperature indication is back to normal on the lower ECAM.
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 Incorrect Oil Quantity Level on Engine 1
 1. Possible Causes
_______________
 - ENGINE-1 (1000EM1)

 - EIU-1 (1KS1)

 - lubrication unit

 - XTMR-OIL QTY (4002EN)

 - wiring

 - wiring between the circuit breaker (1EN1) and the oil quantity transmitter (4002EN)

 - wiring from the oil quantity transmitter (4002EN) to the EIU1 (1KS1)

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 71-00-00-000-042 Removal of the Power Plant AMM 71-00-00-400-042 Installation of the Power Plant AMM 71-00-00-710-006 Minimum Idle Check AMM 72-31-00-290-002 Inspection of the High Pressure Compressor Rotor
　
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