Self-Diagnostic Code "4 – 2" CKP Sensor
Wiring Diagram
1
Troubleshooting
Step
1
1) Check the CKP sensor air gap.
Refer to "CKP Sensor Removal and Installation" in
Section 1C (Page 1C-10).
Is it in good condition?
2
1) Check the CKP sensor resistance.
Refer to "Resistance Check" in Section 1C (Page 1C-7).
Is it in good condition?
R/B
R/B
B/G
B/W
1. CKP sensor
Action
Engine General Information and Diagnosis:
ECM
C
P
U
Yes
Go to step 2.
Open wire between the
CKP sensor and the
ECM, poor lead wire
connection or sensor
lead wires are shorted
to each other. If lead
wire and connection are
ok, intermittent trouble
or a faulty ECM may be
the cause.
1A-25
Z9J0111104006
I9J011110025-03
No
Incorrectly adjusted air
gap.
Faulty CKP sensor.
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