Engine General Information and Diagnosis: 1A-128
DTC Confirmation Procedure
1) With ignition switch turned OFF, connect scan tool.
2) Turn ON ignition switch and clear DTC using scan tool.
3) Crank engine for 3 – 5 sec.
4) Check DTC and pending DTC.
DTC Troubleshooting
NOTE
Before this trouble shooting is performed, read the precautions for DTC troubleshooting referring to
“Precautions For DTC Troubleshooting: ”.
Step
Action
Yes
No
1
Was “Engine and Emission Control System Check”
performed?
Go to Step 2.
Go to “Engine and
Emission Control
System Check: ”.
2
CKP sensor and connector for proper installation check
Is CKP sensor installed properly and connector connected
securely?
Go to Step 3.
Correct.
3
Wire harness and connection check
1) Disconnect connector from CKP sensor with ignition
switch turned OFF.
2) Check for proper connection to CKP sensor at “BLU/
BLK”, “WHT/BLU” and “BLK/YEL” wire terminals.
3) If OK, turn ON ignition switch and check voltage at “BLU/
BLK”, “WHT/BLU” and “BLK/YEL” wire terminals of
disconnected CKP sensor connector.
CKP sensor voltage
Terminal “B+”: 10 – 14 V
Terminal “Vout”: 4 – 5 V
Terminal “GND”: 0 V
Is check result satisfactory?
Go to Step 7.
Go to Step 4.
4
Was terminal “Vout” voltage in Step 3 within specification?
Go to Step 5.
“WHT/BLU” wire is open
or shorted to ground /
power supply circuit.
If wire and connection
are OK, substitute a
known-good ECM and
recheck.
I2RH0B110048-01
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