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FI
FUEL INJECTION SYSTEM
Troubleshooting details
Troubleshooting the self-diagnostic fault code
Code No. 11 Symptom No normal signals are received from the cylinder identification sensor.
Used diagnostic code No.
Inspection operation item Operation item and countermeasure Reinstatement
method
Installed state of sensor Check the installed area for looseness or
pinching.
Reinstated by
starting the engine
and operating it at
idle.
Defective cylinder identification sensor. Replace if defective.
Refer to “FUEL INJECTION SYSTEM” in
chapter 8.
Open or short circuit in wiring harness or sub
lead.
Repair or replace if there is an open or short
circuit.
Between main wiring harness and sub lead
Blue - Blue
White/Black - White
Black/Blue - Black/Blue
Connected state of connector
Inspect the coupler for any pins that may
have pulled out.
Check the locking condition of the coupler.
If there is a malfunction, repair it and connect it
securely.
Cylinder identification sensor coupler
Main wiring harness ECU coupler
Sub-wire harness coupler
Code No. 12 Symptom No normal signals are received from the crankshaft position sensor.
Used diagnostic code No.
Inspection operation item and probable cause Operation item and countermeasure Reinstatement
method
Installed state of sensor Check the installed area for looseness or
pinching.
Reinstated by
cranking the
engine.
Defective crankshaft position sensor. Replace if defective.
Refer to “FUEL INJECTION SYSTEM” in
chapter 8.
Open or short circuit in wiring harness or sub
lead.
Repair or replace if there is an open or short
circuit between the main wiring harnesses.
Gray - Gray
Black/Blue - Black/Blue
Connected state of connector
Inspect the coupler for any pins that may
have pulled out.
Check the locking condition of the coupler.
If there is a malfunction, repair it and connect it
securely.
Crankshaft position sensor coupler
Main wiring harness ECU coupler