6720596

1.

IG "OFF"

2.

IG "ON" & Engine "OFF"

3.

After connecting scantool, Check DTC.

4.

Using scantool, Clear DTC.

5.

Again using scantool, Check DTC present.

6.

Is the same DTC shown, agian?

▶ Substitute with a known-good ALS ECU and check for proper operation.

If problem is corrected, replace ALS ECU and then go to "Verification of Vehicle Repair" procedure.

▶ Fault is intermittent caused by poor connection in ALS ECU's connector or was repaired and ALS ECU memory was not cleared.

▶ Repair or replace as necessary and then go to "Verification of Vehicle Repair" procedure.