64
FI
FUEL INJECTION SYSTEM
Fault code No.
33
Symptom
Malfunction detected in the primary lead of the cylinder-#1 ignition coil.
Diagnostic code No. d:30 (cylinder-#1 ignition coil)
Order
Item/components and probable cause
Check or maintenance job
Reinstatement
method
1
Connections
• Cylinder-#1 ignition coil coupler
• Wire harness ECU couplers
• Ignition system sub-wire harness coupler
Check the couplers for any pins that may have
pulled out.
Check the locking condition of the couplers.
If there is a malfunction, repair it and connect the
coupler securely.
Starting the
engine and
operating it at
idle.
2
Open or short circuit in wire harness
and/or ignition system sub-wire harness.
Repair or replace if there is an open or short cir-
cuit.
Between the cylinder-#1 ignition coil coupler and
ECU couplers.
Orange – Orange
Red/White – Red/White
3
Detective cylinder-#1 ignition coil.
Execute the diagnostic mode (code No. d:30).
Test the primary and secondary coils for continu-
ity.
Replace if defective.
Refer to “IGNITION SYSTEM” in CHAPTER 8.
Fault code No.
34
Symptom
Malfunction detected in the primary lead of the cylinder-#2 ignition coil.
Diagnostic code No. d:31 (cylinder-#2 ignition coil)
Order
Item/components and probable cause
Check or maintenance job
Reinstatement
method
1
Connections
• Cylinder-#2 ignition coil coupler
• Wire harness ECU couplers
• Ignition system sub-wire harness coupler
Check the couplers for any pins that may have
pulled out.
Check the locking condition of the couplers.
If there is a malfunction, repair it and connect the
coupler securely.
Starting the
engine and
operating it at
idle.
2
Open or short circuit in wire harness
and/or ignition system sub-wire harness.
Repair or replace if there is an open or short cir-
cuit.
Between the cylinder-#2 ignition coil coupler and
ECU couplers.
Gray/Red – Gray/Red
Red/White – Red/White
3
Defective cylinder-#2 ignition coil.
Execute the diagnostic mode (code No. d:31).
Test the primary and secondary coils for continu-
ity.
Replace if defective.
Refer to “IGNITION SYSTEM” in CHAPTER 8.
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