4411918

Perform the Neutral, Teaching, and Password teaching/ changing mode according to 2. ECM neutalization, 3.Key Teaching Procedure, 4. Password teaching/Changing in "Reference Data" described in General Information.

Are both neutral and teaching mode completed ?

YES

Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and then go to "Verification of Vehicle Repair" procedure.

Substitute with a known-good ECM and check for proper operation. If the problem is corrected, replace ECM and then go to " Verification of Vehicle Repair" procedure

caution

1. Don’t forget to prepare for the PIN of the vehicle before removing ECM from the vehicle.

2. Remember that substituting with a known-good ECM should be followed "The things to 6.remember before repair(1) in "Reference Data in General(In case of faulty ECM, it has to be replaced with "VIRGIN" or " NEUTRAL" ECM.) Information"

3. Strongly recommend to register PIN which is given by HMC or the regional office when replacing a new ECM.