- replace the PRESS XDCR-NORM BRK WHEEL 3 (12GG), (Ref. AMM TASK 32-42-21-000-001) and (Ref. AMM TASK 32-42-21-400-001).
(1) 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).
(2) If the fault continues:
- do a check and repair the wiring for a ground signal at the wheel 3 normal brake pressure-transducer (12GG) pin A/B (Ref. ASM 32-42/01).
(3) If the fault continues:
- do a check and repair the wiring between the wheel 3 normal brake pressure-transducer (12GG) pin A/A and the first terminal block (Ref. ASM 32-42/01).
(4) If the fault continues:
- do a check and repair the wiring between the wheel 3 normal brake pressure-transducer (12GG) pin A/D,E and the BSCU (10GG) pin AB/11H, 11G (Ref. ASM 32-42/01).
**ON A/C ALL
B. Do the test given in Para. 3.A.
「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 ∞∞32-42-00∞∞∞∞∞∞∞∞∞∞Page 206
Aug 01/05 CES
TASK 32-42-00-810-804
Failure of the Normal Brake Pressure Transducer (Wheel 4)
1. Possible Causes
_______________
- PRESS XDCR-NORM BRK WHEEL 4 (14GG)
- BSCU (10GG)
- wiring for a ground signal at the wheel 4 normal brake pressure-transducer (14GG) pin A/B
- wiring between the wheel 4 normal brake pressure-transducer (14GG) pin A/A and the first terminal block
- wiring between the wheel 4 normal brake pressure-transducer (14GG) pin A/D, E and the BSCU (10GG) pin AB/12H, 12G
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 32-42-21-000-001 Removal of the Normal-Brake Pressure Transducer AMM 32-42-21-400-001 Installation of the Normal-Brake Pressure Transducer AMM 32-42-34-000-001 Removal of the Braking/Steering Control Unit (BSCU)
(10GG) AMM 32-42-34-400-001 Installation of the Braking/Steering Control Unit
(BSCU) (10GG)
AMM 32-46-00-740-001 BITE Test of the BSCU
ASM 32-42/01
3. Fault Confirmation
__________________
A. Test Do the BITE test of the BSCU: (Ref. AMM TASK 32-46-00-740-001).
4. Fault Isolation
_______________
R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-220, 301-399,
A. If the BITE test gives the maintenance message:
BRK PRESS TRANSDUCER 14GG
- replace the PRESS XDCR-NORM BRK WHEEL 4 (14GG), (Ref. AMM TASK 32-42-21-000-001) and (Ref. AMM TASK 32-42-21-400-001).
(1) 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).
「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 ∞∞32-42-00∞∞∞∞∞∞∞∞∞∞Page 207
May 01/05 CES
(2) If the fault continues:
- do a check and repair the wiring for a ground signal at the wheel 4 normal brake pressure-transducer (14GG) pin A/B (Ref. ASM 32-42/01).
(3) If the fault continues:
- do a check and repair the wiring between the wheel 4 normal brake pressure-transducer (14GG) pin A/A and the first terminal block (Ref. ASM 32-42/01).
(4) If the fault continues:
- do a check and repair the wiring between the wheel 4 normal brake pressure-transducer (14GG) pin A/D, E and the BSCU (10GG) pin AB/12H, 12G (Ref. ASM 32-42/01).
R **ON A/C 106-149, 221-299, 401-499,
A. If the BITE test gives the maintenance message:
BRK PRESS XDCR4 (14GG)
- replace the PRESS XDCR-NORM BRK WHEEL 4 (14GG), (Ref. AMM TASK 32-42-21-000-001) and (Ref. AMM TASK 32-42-21-400-001).
(1) 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).
(2) If the fault continues:
- do a check and repair the wiring for a ground signal at the wheel 4 normal brake pressure-transducer (14GG) pin A/B (Ref. ASM 32-42/01).
(3) If the fault continues:
- do a check and repair the wiring between the wheel 4 normal brake pressure-transducer (14GG) pin A/A and the first terminal block (Ref. ASM 32-42/01).
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