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Diagnostic Procedure with Diagnostic Trouble Code (DTC)
Step
1
CHECK HARNESS BETWEEN CRANK-
SHAFT POSITION SENSOR AND ECM CON-
NECTOR.
1) Turn the ignition switch to OFF.
2) Disconnect the connector from crankshaft
position sensor.
3) Measure the resistance of harness
between crankshaft position sensor connector
and engine ground.
Connector & terminal
(E10) No. 1 — Engine ground:
2
CHECK HARNESS BETWEEN CRANK-
SHAFT POSITION SENSOR AND ECM CON-
NECTOR.
Measure the resistance of harness between
crankshaft position sensor connector and
engine ground.
Connector & terminal
(E10) No. 1 — Engine ground:
3
CHECK HARNESS BETWEEN CRANK-
SHAFT POSITION SENSOR AND ECM CON-
NECTOR.
Measure the resistance of harness between
crankshaft position sensor connector and
engine ground.
Connector & terminal
(E10) No. 2 — Engine ground:
4
CHECK CONDITION OF CRANKSHAFT PO-
SITION SENSOR.
5
CHECK CRANKSHAFT POSITION SENSOR.
1) Remove the crankshaft position sensor.
2) Measure the resistance between connector
terminals of crankshaft position sensor.
Terminal
No. 1 — No. 2:
Check
Is the resistance more than
100 kΩ?
Is the resistance less than 10
Ω?
Is the resistance less than 5
Ω?
Is the crankshaft position sen-
sor installation bolt tightened
securely?
Is the resistance 1 — 4 kΩ?
EN(H6DO)(diag)-195
ENGINE (DIAGNOSTICS)
Yes
Repair the har-
Go to step 2.
ness and connec-
tor.
NOTE:
In this case, repair
the following:
• Open circuit of
harness between
crankshaft posi-
tion sensor and
ECM connector
• Poor contact in
ECM connector
• Poor contact in
coupling connector
Repair the ground
Go to step 3.
short circuit of har-
ness between
crankshaft posi-
tion sensor and
ECM connector.
NOTE:
The harness be-
tween both con-
nectors
are
shielded.
Repair
the ground short
circuit of harness
with shield.
Go to step 4.
Repair the har-
ness and connec-
tor.
NOTE:
In this case, repair
the following:
• Open circuit of
harness between
crankshaft posi-
tion sensor and
ECM connector
• Poor contact in
ECM connector
• Poor contact in
coupling connector
Go to step 5.
Tighten the crank-
shaft position sen-
sor installation bolt
securely.
Repair the poor
Replace the crank-
contact in crank-
shaft position sen-
shaft position sen-
sor. <Ref. to
sor connector.
FU(H6DO)-19,
Crankshaft Posi-
tion Sensor.>
No
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