Ignition Feed To Electronic Control Unit - Jeep 1979 CJ-5 Technical & Service Manual

IGNITION SYSTEM 16-13
IGNITION FEED TO
ELECTRONIC CONTROL UNIT
[
N O T E : DO N O T P E R F O R M C H A R T 4
W I T H O U T P E R F O R M I N G C H A R T 3
STEP
SEQUENCE
Chart 4
RESULT
o
# T U R N
I G N I T I O N O N
OK
V O L T M E T E R I N D I C A T E S
B A T T E R Y V O L T A G E
W I T H I N 0.2V.
REPLACE
C O N T R O L U N I T
U N P L U G 2 W I R E C O N N E C T O R
A T M O D U L E A N D C O N N E C T
V O L T M E T E R BETWEEN F 2
A N D G R O U N D
mi
V O L T M E T E R DOES N O T
I N D I C A T E B A T T E R Y
V O L T A G E W I T H I N 0.2V
©
OK
LOCATE A N D REPAIR CAUSE
OF V O L T A G E R E D U C T I O N
• C O R R O D E D DASH C O N N E C T O R
• I G N I T I O N SWITCH
SPARK A V A I L A B L E
A T C O I L WIRE
SPARK N O T A V A I L A B L E REPLACE
A T C O I L W I R E C O N T R O L U N I T
STOP
S T O P
D I S C O N N E C T 4-WIRE
C O N N E C T O R
A T C O N T R O L U N I T
C O N N E C T A M M E T E R
BETWEEN
C1 A N D G R O U N D
A M M E T E R READS 1 AMP + 0.1
A M M E T E R R E A D S REPLACE M O D U L E
H I G H E R OR LOWER
S T O P
S T O P
8 0 6 9 9 G