Oil Pressure-Switch Fault (APS 3200)

TASK 49-00-00-810-914-A
Oil Pressure-Switch Fault (APS 3200)

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
ESPM 2052210
ESPM 2053210
ESPM 205321A
AMM 49-00-00-710-005	Self-Test of the ECB
ASM 496102
AMM 49-94-14-000-002	Removal of the Oil Pressure Switch (APS 3200)
AMM 49-94-14-400-002	Installation of the Oil Pressure Switch (APS 3200)

3. Fault Confirmation
Subtask 49-00-00-710-276-A ** ON A/C NOT FOR ALL

A. Do the self-test of the ECB (59KD) AMM 49-00-00-710-005.

4. Fault Isolation
Subtask 49-00-00-810-165-C ** ON A/C NOT FOR ALL

A. If the APU Last Leg Report gives the maintenance message:

OIL PRESS SW (8091KM):
Fault Code Number: 043

(1) If the fault continues:

do a check and repair the wiring from the ECB (59KD) AB/C5, J4 to the OIL PRESSURE SWITCH P14/1, 2 ASM 496102 ESPM 2052210 ESPM 2053210 ESPM 205321A.

Subtask 49-00-00-710-277-A ** ON A/C NOT FOR ALL

B. Do the test given in Para. 3.

[Rev.8 from Aug 2018] 2026.04.04 04:34:25 UTC