TM 9-2320-387-24-l
INSTRUMENTS
DIAGNOSTIC FLOWCHART
t TEST OPTIONS
KNOWN INFO
-
I
DISCONNECT GLOW PLUG
CONTROLLER. DO YOU HAVE
CONTINUITY BETWEEN SOCKET 6
IN THE CONTROLLER HARNESS &
SOCKET A IN THE ENGINE
CONNECTOR HARNESS?
LAMP OK
1. STUICE-R
TEST 91
(Page 2-508)
2. MULTIMETER
POSSIBLE
PROBLEMS
REASON FOR QUESTION
This wire provides power to the
controller.
PCB
GLOW PLUG
CONTROLLER
WIRING
I
OR REPLACE
TEST OPTIONS
1
KNOWN INFO
LAMP OK
1. STE/ICE-R TEST 91
(Page 2-508)
2. MULTIMETER
DO YOU HAVE CONTINUITY
BETWEEN SOCKET 3 IN THE
CONTROLLER HARNESS &
SOCKET B IN THE ENGINE
CONNECTOR HARNESS?
POSSIBLE
PROBLEMS
REASON FOR QUESTION
This wire returns power for
the lamp.
PCB
GLOW PLUG
CONTROLLER
WIRING
KNOWN INFO
T OPTIONS
WIRING TO 8 FROM
CONTROLLER
OK
RECONNECT GLOW PLUG
CONTROLLER. DO YOU HAVE
CONTINUITY BETWEEN SOCKET A
& SOCKET B IN THE ENGINE
CONNECTOR HARNESS?
1. STEIICE-R
TEST 91
(Page 2-508)
G
2. MULTIMETER
POSSIBLE
PROBLEMS
REASON FOR QUESTION
PCB
GLOW PLUG
CONTROLLER
If you don’t have continuity
here, you know that the
controller is bad.
2-320
