DTC P0650 Malfunction Indicator Lamp (MIL) Control Circuit (4JJ3 without DPD)

1. DTC P0650 description

The MIL or check engine warning light is in the instrument panel cluster. The MIL or check engine warning light informs the driver that a malfunction has occurred in the engine control system and that it is necessary to repair the vehicle. The ECM monitors for any status that is different from the MIL or check engine warning light command status in the MIL or check engine warning light control circuit. The circuit is defective if the ECM detects a low voltage when the MIL or check engine warning light is commanded OFF, or the ECM detects a high voltage when the MIL or check engine warning light is commanded ON. If the ECM detects any abnormal control circuit voltage, the DTC is set.

Note

MIL applies to Euro4, check engine warning light applies to other than Euro4.

2. Condition for setting DTC P0650

Condition for running the DTC

The battery voltage is 9 to 16 V.
The ignition switch is ON.

Condition for setting the DTC

Any of the following are met:

The ECM detects a low voltage condition in the MIL or check engine warning light control circuit when the light is commanded OFF.
The ECM detects a high voltage condition in the MIL or check engine warning light control circuit when the light is commanded ON.

3. Action taken when DTC P0650 sets

Euro4: The ECM illuminates the MIL. Refer to Action taken when DTC sets - Type A (Euro4).
Except Euro4: The ECM illuminates the check engine warning light. Refer to Action taken when DTC sets - Type A (Except Euro4).

Refer to "51.Engine Control 1A.Troubleshooting(4JJ3 without DPD) DTC type definitions".

4. Condition for clearing DTC P0650

Euro4: Refer to Condition for clearing the MIL/DTC - Type A or Type B (Euro4).
Except Euro4: Refer to Condition for clearing the check engine warning light/DTC - Type A or Type B (Except Euro4).

Refer to "51.Engine Control 1A.Troubleshooting(4JJ3 without DPD) DTC type definitions".