TM-9-2320-280-20-1

TRUCK, UTILITY: M998 SERIES

TECHNICAL MANUAL; UNIT MAINTENANCE; VOLUME 1 OF 3

JANUARY 1996

TM-9-2320-280-20-1 - Page 374 of 888

TM 9-2320-280-20-1

KNOWN INFO

POSSIBLE PROBLEMS

TEST OPTIONS

REASON FOR QUESTION

KNOWN INFO

POSSIBLE PROBLEMS

NO

YES

2-280

Change 1

STARTER CIRCUIT

FROM C6,

Page 2-278

C7

ENGINE HARNESS OK

PCB/DISTRIBUTION BOX

BATTERY

1. STE/ICE-R TEST 67

(Page 2-740)

2. MULTIMETER

Low battery voltage may,

under the proper conditions,

cause the starter solenoid to

remain energized.

REPLACE

PCB/DISTRIBUTION

BOX

C8

DISCONNECT BATTERY

NEGATIVE CABLE. RECONNECT

ENGINE CONNECTOR. REPLACE

BATTERY NEGATIVE CABLE.

REPLACE BATTERIES. TRY

CRANKING ENGINE. IF IT WON'T

STOP CRANKING, REPLACE

PCB/DISTRIBUTION BOX. RE-RUN

STARTER CIRCUIT TEST CHAIN

(STEP 1, Page 2-262).

ENGINE HARNESS OK

PCB/DISTRIBUTION BOX

BATTERY

RECONNECT WIRE 74A TO

STARTER. IS BATTERY VOLTAGE

LESS THAN 20 VOLTS ?

DIAGNOSTIC FLOWCHART