DTC P06AF (Flash Code 277) EDU (Electric Driver Unit) Injector Custom IC (RZ4E-TC)

1. Engine control system check

Refer to "51.Engine Control 1A.Troubleshooting(RZ4E-TC) Diagnostic system check-engine controls".

2. Check for abnormal high temperature

1) Check whether any equipment which could cause abnormally high temperature is installed in the area around the ECM.

2) Repair or replace as necessary.

3) Ask the driver whether or not there were any external factors in the past which could have caused abnormally high temperature close to the ECM.

4) If there is the possibility that abnormally high temperature occurred in the past, inspect the corresponding location and repair or replace as necessary.

Procedure completion

=>Go to Current DTC check.

3. Current DTC check

1) Connect the scan tool.

2) Turn OFF the ignition switch for 30 seconds or more.

3) Start the engine.

4) Observe the DTC information with a scan tool. Is a DTC set?

Yes

=>Go to ECM replacement.

No

=>Go to Repair verification.

4. ECM replacement

Refer to "1.Engine 1Z.Engine Electrical Control(RZ4E-TC) ECM removal".

Refer to "1.Engine 1Z.Engine Electrical Control(RZ4E-TC) ECM installation".

Refer to "1.Engine 1Z.Engine Electrical Control(RZ4E-TC) ECM setting".

Procedure completion

=>Go to Repair verification.

5. Repair verification

1) Clear the DTC with a scan tool.

2) Turn OFF the ignition switch for 30 seconds or more.

3) Start the engine.

4) Observe the DTC information with a scan tool.