R 1_ If the fault continues:
R - replace the harness HJ13 (Ref. AMM TASK 73-21-50-000-046)
R and (Ref. AMM TASK 73-21-50-400-046).
R a_ If the fault continues:
R - replace the ECU (4000KS) (Ref. AMM TASK 73-21-60-000-001)
R and (Ref. AMM TASK 73-21-60-400-001).
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B. Do the test given in Para. 3.
(1) No additional maintenance action is required if the fault is not confirmed.
(2) Repeat the fault isolation procedure if the fault continues.
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TASK 79-31-00-810-817
R Loss of the Signal of the FADEC Oil Temperature Sensor to the ECU on Engine 1 R Channel B
1. Possible Causes
_______________
R - oil temperature sensor R - harness HJ13
- ECU (4000KS)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R R AMM AMM AMM AMM AMM 73-21-50-000-046 73-21-50-210-001 73-21-50-400-046 73-21-60-000-001 73-21-60-400-001
AMM 73-29-00-710-040
AMM 79-31-40-000-001
AMM 79-31-40-400-001
ASM 73-25/18
3. Fault Confirmation
__________________
Removal of the HJ13 HarnessVisual Inspection of the Wiring Harness Installation of the HJ13 HarnessRemoval of the Electronic Control Unit (ECU)(4000KS)Installation of the Electronic Control Unit (ECU)(4000KS)Operational Test of the FADEC on the Ground (with Engine non Motoring)Removal Oil Temperature Sensor (IDG Cooling System Control Sensor)Installation Oil Temperature Sensor (IDG Cooling System Control Sensor)
A. Do the operational test of the FADEC 1B on the ground (with engine non motoring) (Ref. AMM TASK 73-29-00-710-040).
4. Fault Isolation
_______________
R A. This fault message is generated if the output signal is lost from the ECU R dedicated oil temperature sensor used for the fuel return valve control.
R NOTE : This sensor is not used for the oil temperature indication in the
____ R cockpit.
R (1) If the test gives the maintenance message EOT SNSR, J13, ECU:
R - disconnect the connector of the harness HJ13 from the oil
R temperature sensor and do a resistance check of the sensor (Ref.
R ASM 73-25/18) between:
R . pins 1 and 2 (0.5 to 10 ohms)
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R . pins 3 and 4 (0.5 to 10 ohms)
R . pins 2 and 5 (>1 megohm)
R . pins 3 and 5 (>1 megohm)
R . pin 1 and the ground (>1 megohm)
R . pin 4 and the ground (>1 megohm).
R (a) If the resistance values are out of the specified limits:
R - replace the oil temperature sensor (Ref. AMM TASK 79-31-40-000-R 001) and (Ref. AMM TASK 79-31-40-400-001).
R (b) If the resistance values are in the specified limits:
R - connect the harness HJ13 to the oil temperature sensor again,
R - disconnect the connector of the harness HJ13 from the ECU
R (4000KS) and do a resistance check (Ref. ASM 73-25/18) between:
R . pins 10 and 22 (0.5 to 10 ohms)
R . pins 9 and 20 (0.5 to 10 ohms)
R . pins 9 and 21 (>1 megohm)
R . pins 10 and 21 (>1 megohm)
R . pin 9 and the ground (>1 megohm)
R . pin 10 and the ground (>1 megohm).
R 1_ If the resistance values are out of the specified limits:
R - replace the harness HJ13 (Ref. AMM TASK 73-21-50-000-046)
R and (Ref. AMM TASK 73-21-50-400-046).
R 2_ If the resistance values are in the specified limits:
R - replace the ECU (4000KS) (Ref. AMM TASK 73-21-60-000-001)
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本文链接地址：A320 Trouble Shooting Manual 排故手册 OIL 滑油(24)
