DTC Logic
DTC DETECTION LOGIC
DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC detecting condition | Possible cause |
P0605 | ECM [Internal control module read only memory (ROM) error] | Malfunction in the internal ROM of ECM. | ECM |
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is 11 V or more with ignition switch ON.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
CAUTION:
Never start engine during this procedure.
Is 1st trip DTC detected? YES >> Proceed to EC-348, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.PERFORM DTC CONFIRMATION PROCEDURE
Is the 1st trip DTC P0605 displayed again? YES >> Replace ECM. Refer to EC-485, "Removal and Installation".
NO >> INSPECTION END
Towing a trailer
Do not tow a trailer with your vehicle.
Flat towing
Towing your vehicle with all four wheels on the
ground is sometimes called flat towing. This
method is sometimes used when towing a vehicle
behind a recreational vehicle, such as a motor
home.
CAUTION
Failure to follow these guidelines c ...
Can communication circuit
Diagnosis procedure
1.Connector inspection
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Disconnect all the unit connectors on CAN communication system.
Check terminals and connectors for damage, bend and loose connection.
Is the inspection resu ...
Symptom diagnosis
Squeak and rattle trouble diagnoses
Work Flow
CUSTOMER INTERVIEW
Interview the customer if possible, to determine the conditions that exist
when the noise occurs. Use the Diagnostic
Worksheet during the interview to document the facts and conditions when the
noise occurs and any
custom ...