AMM 32-46-00-740-001 BITE Test of the BSCU
AMM 32-46-00-740-002 BITE Test of the BSCU - Ground Scanning
AMM 32-51-19-000-001 Removal of the Nose Wheel Steering Feedback Sensor
(3GC, 4GC) P/N C24763000
AMM 32-51-19-400-001 Installation of the Nose Wheel Steering Feedback Sensor (3GC, 4GC) P/N C24763000
AMM 32-51-51-000-001 Removal of the Nose Wheel Steering Servo-Control (6GC)
AMM 32-51-51-400-001 Installation of the Nose Wheel Steering Servo-Control (6GC)
ASM 32-51/01
3. Fault Confirmation
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A. Test
(1) Do the BSCU GND SCAN (Ref. AMM TASK 32-46-00-740-002).
(2) Do the BITE test of the BSCU (Ref. AMM TASK 32-46-00-740-001).
4. Fault Isolation
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R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-220, 301-399,
A. If either the GND SCAN or the BITE test gives the maintenance message STEERING FEEDBACK CONTROL SENSOR 4GC:
- do a check for water (or moisture) in the electrical connector of the N/W steering servo control (6GC).
(1) If there is water:
- examine the electrical connector for corrosion
(a) If there is corrosion:
- replace the SERVO CTL-N/W STEERING (6GC) (Ref. AMM TASK 32-51-51-000-001) and (Ref. AMM TASK 32-51-51-400-001).
(b) If there is no corrosion:
- dry the electrical connector of the N/W steering servo control
- make sure that the heat-shrink sleeve of the electrical connector is in good condition
- connect the electrical connector to the N/W steering servo control (6GC) and fold back the end of the heat-shrink sleeve on the connector to cover it fully.
(2) If there is no water:
- replace the SENSOR-N/W STRG FDBK,MONITORING CHAN (4GC) (Ref. AMM TASK 32-51-19-000-001) and (Ref. AMM TASK 32-51-19-400-001).
(3) If the fault continues:
- replace the SENSOR-N/W STRG FDBK,CTL CHAN (3GC)
(4) If the fault continues:
- replace the BSCU (10GG) (Ref. AMM TASK 32-42-34-000-001) and (Ref. AMM TASK 32-42-34-400-001).
(5) If the fault continues:
- do a check and repair the wiring from the BSCU (10GG) to the feedback sensor (4GC) pins AB/14E, 14F, 10E, 10F, 11F, 11E to pins A/A, B, C, D, E, F (Ref. ASM 32-51/01).
(6) If the fault continues:
- do a check and repair the wiring from the BSCU (10GG) to the N/S steering servo control (6GC) pins AB/12E, 12F, 13E, 13F, 14E, 14F to pins A/G, H, E, F, C, D (Ref. ASM 32-51/01).
(7) If the fault continues:
- do a check and repair the wiring from the BSCU (10GG) to the feedback sensor (3GC) pins AB/15E, 15F, 8E, 8F, 9E, 9F to pins A/A, B, C, D, E, F (Ref. ASM 32-51/01).
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞32-51-00∞∞∞∞∞∞∞∞∞∞Page 228
May 01/05 CES (8) If the fault continues:
- do the check of the charge pressure of the nose landing gear shock absorber (Ref. AMM TASK 12-14-32-614-004)
R **ON A/C 106-149, 221-299, 401-499,
A. If either the GND SCAN or the BITE test gives the maintenance message STEERING FEEDBACK MONITOR SENSOR (4GC):
- do a check for water (or moisture) in the electrical connector of the N/W steering servo control (6GC).
(1) If there is water:
- examine the electrical connector for corrosion
(a) If there is corrosion:
- replace the SERVO CTL-N/W STEERING (6GC) (Ref. AMM TASK 32-51-51-000-001) and (Ref. AMM TASK 32-51-51-400-001).
(b) If there is no corrosion:
- dry the electrical connector of the N/W steering servo control and connect it.
(2) If there is no water:
- replace the SENSOR-N/W STRG FDBK,MONITORING CHAN (4GC) (Ref. AMM TASK 32-51-19-000-001) and (Ref. AMM TASK 32-51-19-400-001).
(3) If the fault continues:
- replace the SENSOR-N/W STRG FDBK,CTL CHAN (3GC)
(4) If the fault continues:
- replace the BSCU (10GG) (Ref. AMM TASK 32-42-34-000-001) and (Ref. AMM TASK 32-42-34-400-001). 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：A320 Trouble Shooting Manual 排故手册 起落架 LANDING GEAR 2(104)
