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FI
SYSTEM
DIAGNOSIS
4·7
Other parts
D
v
5V
®
,)~
To other
~'\
/ parts
/@
~
,/
rJ '
r=1Lp(-~~~
o ©
Q
SHORT CIRCUIT CHECK (WIRE HARNESS TO GROUND)
• Disconnect the negative cable from the battery.
• Disconnect the connectors/couplers at both ends of the circuit
to be checked.
NOTE:
If
the circuit to be checked branches to other parts as shown,
disconnect all connectors/couplers of those parts. Otherwise,
diagnosis will be misled.
• Measure resistance between terminal at one end of circuit
(@
terminal in figure) and body ground. If continuity is indicated,
there is a short circuit to ground between terminals
@ and ©.
®
'?~
To other
\/
~T
~M
r-=:=='1L~
Li=f~
CJ
@ ©
Q
• Disconnect the connector/coupler included in circuit (coupler
®)
and measure resistance between terminal @ and body
ground.
If continuity is indicated, the circuit is shorted to the ground
between terminals
@ and ®.