TM 9-2320-387-24-l
.
KNOWN INFO
.NGINE DOESN’T CRANK
PROPERLY
COMPRESSION/MECHANICAL
POSSIBLE
PROBLEMS
ENGINE
STARTER CIRCUIT
BATTERY CIRCUIT
KNOWN INFO
ENGINE DOESN’T CRANK
PROPERLY
BATTERY CIRCUIT OK
POSSIBLE
PROBLEMS
ENG~JE
STARTER CIRCUIT
BATTERY CIRCUIT OK
STARTER CIRCUIT OK
POSSIBLE
PROBLEMS
ENGINE
DRIVETRAIN
IS THE BATTERY CIRCUIT OK?
DIAGNOSTIC FLOWCHART
T OPTIONS
1. ST-E/ICE-R TEST 67,73.75
(Pages 2-496,2-502.2-504)
2. BATTERY CIRCUIT
TESTS (Page 2-237)
REASON FOR QUESTION
A faulty battery circuit can cause
slow or no cranking.
IS THE STARTER CIRCUIT OK?
T OPTIONS
1. STE/ICE-R TESTS 71,72.74
(Pages 2-500.2-501,2-503)
2. STARTER CIRCUIT
TESTS (Page 2-247)
REASON FOR QUESTION
A faulty starter circuit can cause
I
slow or no cranking.
CAN YOU TURN THE
CRANKSHAFT MANUALLY?
ST
OPTIONS
USE A BREAKER BAR AND
SOCKET ON CRANKSHAFT
PULLEY BOLT.
REASON FOR QUESTION
If you can’t turn the engine by
hand, the engine is probably
seized.
2-152
