Chapter 4 EI system diagnosis Section 4 EI system troubleshooting
4—33
Are the resistance and continuity OK?
YES
Bl/Wor G/Wwire open or
shortedto
ground, or
poor
B4(J2-4) or B13(J2-13)
connection of ECU coupler
.
●
If wire and connectionare OK,
intermittenttroubleorfaultyECU.
●
Recheck each terminal andwire
harness for open circuit and poor
connection.
NO
●
Loose or poor contacts on thepick-
up coil coupler or ECU coupler.
●
Replace the CKP with anew one.
B4
B4
B13
B13
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