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8 CHECK INPUT SIGNAL CIRCUIT
1. Stop engine.
2. Disconnect ignition coil harness connector.
3. Strip tape covering resistor.
4. Disconnect resistor harness connector.
SEF344V
5. Disconnect ECM harness connector.
6. Check harness continuity between ignition coil terminal 8 and resistor terminal 1, resistor terminal 2 and ECM terminal
2.
SEF179X
Continuity should exist.
7. Also check harness for short to ground and short to power.
OK or NG
OK 䊳 GO TO 9.
NG 䊳 Repair open circuit or short to ground or short to power in harness or connectors.
IGNITION SIGNAL
KA24DE
Diagnostic Procedure (Cont’d)
EC-565
FE
CL
MT
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
GI
MA
EM
LC
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