XVS95CE Fault Code 24

Fault Code Nos.

Fault Code No.: 24 Diagnostic Code No.: ---

Item: 02 sensor: no normal signals are received from the 02 sensor.

Fail-Safe System: Able to Start Engine | Able to Drive Vehicle

Indicated: ---

Procedure: ---

Probable Cause of Confirmation of Service
Item Malfunction and Check Maintenance Job Completion

Installed condition of 02 sensor.

Improperly installed sensor

Reinstall or replace the
sensor.

Start the engine, warm it up
and then race it or execute
the diagnostic mode (Code No. 63).

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.

Connection of 02 sensor 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.

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.

Wire harness continuity.

Open or short circuit.

Replace the wire harness.

Between 02 sensor coupler and ECU coupler.
(Gray/White-Gray/White) and
(Gray/Green-Gray/Green)

Between 02 sensor coupler and joint coupler.
(Red/White-Red/White) (Black/Blue-Black/Blue)

Between joint coupler and
ECU coupler.
(Black/Blue-Black/Blue) (Red/White-Red/White)

Check fuel pressure.

Refer to "Checking the
Pressure Regulator
Operation".

Defective O2 sensor.

Check the 02 sensor.

Replace if defective.

Malfunction in ECU.

Replace the ECU.