Fault Code Nos.
Fault Code No.: 33     Diagnostic Code No.: 30
Item: Front cylinder ignition coil: open or short circuit detected in the primary lead of the front cylinder
          ignition coil.
Fail-Safe System: Able to Start Engine (depending on the number of faulty cylinders)
                             Able to Drive Vehicle (depending on the number of faulty cylinders)
Actuation: Actuates the front cylinder ignition coil five times at one-second intervals. Illuminates the engine
                 trouble warning light.
Procedure: Check that a spark is generated five times.
                  • Connect an ignition checker.
               Probable Cause of                                                       Confirmation of Service
  Item       Malfunction and Check            Maintenance Job              Completion
1
Connection of front cylinder
ignition coil coupler.

Check the locking condition
of the coupler.

Disconnect the coupler and
check the pins (bent or broken terminals and locking
condition of the pins).
Improperly connected.

Connect the coupler securely or replace the wire harness.
Start the engine and let it idle
for approximately 5 seconds.

If, the Fault Code No. is NOT displayed, then Service is Complete.


If however, the Fault Code No. is displayed, then Go To Item 2 below.
2
Connection of ECU coupler.

Check the locking condition
of the coupler.

Disconnect the coupler and
check the pins (bent or broken terminals and locking
condition of the pins).
Improperly connected

Connect the coupler securely or replace the wire harness.
Start the engine and let it idle
for approximately 5 seconds.

If, the Fault Code No. is NOT displayed, then Service is Complete.


If however, the Fault Code No. is displayed, then Go To Item 3 below.
3
Wire harness continuity.
Open or short circuit

 Replace the wire harness.

Between front cylinder ignition coil coupler and ECU coupler.
(Orange-Orange)
Start the engine and let it idle
for approximately 5 seconds.

If, the Fault Code No. is NOT displayed, then Service is Complete.


If however, the Fault Code No. is displayed, then Go To Item 4 below.
4
Installed condition of front
cylinder ignition coil.

Check for looseness or pinching.
Improperly installed ignition coil.

Reinstall or replace the
ignition coil.
Start the engine and let it idle
for approximately 5 seconds.

If, the Fault Code No. is NOT displayed, then Service is Complete.


If however, the Fault Code No. is displayed, then Go To Item 5 below.
5
Defective front cylinder ignition coil.
Measure the primary coil resistance of the front cylinder ignition coil.

Replace if out of specification.
Start the engine and let it idle
for approximately 5 seconds.

If, the Fault Code No. is NOT displayed, then Service is Complete.


If however, the Fault Code No. is displayed, then Go To Item 6 below.
6
Malfunction in ECU.
Execute the diagnostic
mode. (Code No. 30).

If No spark, replace the
ECU.
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