Loss of the Bus Output from the Weather Radar Transceiver 2 to the CFDIU

TASK 31-32-00-810-841-A
Loss of the Bus Output from the Weather Radar Transceiver 2 to the CFDIU

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 31-32-00-869-002	Procedure for the Class 3 Fault Reading
ASM 313203
AMM 31-32-34-000-001	Removal of the CFDIU
AMM 31-32-34-400-001	Installation of the CFDIU
AMM 34-41-33-000-004	Removal of the Weather Radar Transceiver
AMM 34-41-33-400-003	Installation of the Weather Radar Transceiver

3. Fault Confirmation
Subtask 31-32-00-740-128-A ** ON A/C NOT FOR ALL

A. Test
On the CFDS MENU page, get access to the AVIONICS STATUS page AMM 31-32-00-869-002.

4. Fault Isolation
Subtask 31-32-00-810-089-A ** ON A/C NOT FOR ALL

A. If the test gives the maintenance message:
NO RADAR 2 DATA:

(1) If the fault continues:

(a) If the fault continues:

do a check and repair the wiring from the CFDIU (1WT) to the weather radar transceiver 2 (1SQ2) from pins AB/11H, 11J to pins AB/1J, 1K , ASM 313203.

Subtask 31-32-00-740-129-A ** ON A/C NOT FOR ALL

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

[Rev.8 from Aug 2018] 2026.04.04 04:29:50 UTC