TM 9-2320-387-24-l
INSTRUMENTS
KNOWN INFO
WIRE 27C OK
WIRE 27D OK
CIRCUIT BREAKER 1 OK
WIRE 400D OK
SWITCH OK
POSSIBLE
PROBLEMS
WIRE 57E
PCB BODY
CONNECTOR
DIAGNOSTIC FLOWCHART
TEST OPTIONS
I
DISCONNECT THE PCB BODY
CONNECTOR. IS THERE
CONTINUITY FROM WIRE 57E
AT THE HEATER MOTOR TO
SOCKET D OF THE PCB BODY
CONNECTOR HARNESS?
REPAIR 57E OR
REPLACE HARNESS.
RETURN TO PS,
1. STVICE-R
TEST 91
Page 2-508)
2. MULTIMETER
REASON FOR QUESTION
If there is continuity, the wiring
is OK, and the PCB must be the
problem.
REPLACE THE PCB. RETURN TO
P5, PAGE 2-364.
I
2-372
