Failure of the CFDIU Detected by the EIU 2

TASK 31-32-00-810-857-A
Failure of the CFDIU Detected by the EIU 2

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
ASM 313205
AMM 31-32-34-000-001	Removal of the CFDIU
AMM 31-32-34-400-001	Installation of the CFDIU
AMM 73-25-34-710-040	Operational Test of the Engine Interface Unit

3. Fault Confirmation
Subtask 31-32-00-710-055-A ** ON A/C NOT FOR ALL

A. Test
Do the operational test of the Engine Interface Unit (EIU 2) AMM 73-25-34-710-040.

4. Fault Isolation
Subtask 31-32-00-810-106-A

A. If the test gives the maintenance message EIU2 : NO DATA FROM CFDIU:

(1) If the fault continues:

do a check and repair the wiring from the CFDIU (1TW) pins AB/11D, 11E to the first terminal block ASM 313205.

Subtask 31-32-00-710-057-A

B. Do the test given in Para. 3.B.

[Rev.8 from Aug 2018] 2026.04.04 04:29:52 UTC