Incorrect Pin Programming of MMR1

TASK 34-36-00-810-901-A
Incorrect Pin Programming of MMR1

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 34-36-00-740-003	BITE Test of the MMR
AWM 343601
AMM 34-36-31-000-001	Removal of the ILS Receiver
AMM 34-36-31-400-001	Installation of the ILS Receiver

3. Fault Confirmation
Subtask 34-36-00-740-207-A ** ON A/C NOT FOR ALL

A. Test
(1) Do the BITE test of MMR1 AMM 34-36-00-740-003.

4. Fault Isolation
Subtask 34-36-00-810-172-A ** ON A/C NOT FOR ALL

A. If the test gives the maintenance message PIN PROG/MMR1 (40RT1):

Do a check of the wiring of MMR1 (40RT1) pin programming AWM 343601 on MMR1 pins AB/4H, 4J, 4K, 5D, 5E, 5H, 5J, 6C, 6J.

(1) If the wiring is not correct:

(2) If the wiring is correct:

Subtask 34-36-00-740-208-A ** ON A/C NOT FOR ALL

B. Do the test given in Para. 3.

[Rev.8 from Aug 2018] 2026.04.04 04:33:04 UTC