DTC Logic
DTC DETECTION LOGIC
DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC detecting condition | Possible cause |
P0604 | ECM [Internal control module random access memory (RAM) error] | Malfunction in the internal RAM 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-347, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.PERFORM DTC CONFIRMATION PROCEDURE
Is the 1st trip DTC P0604 displayed again? YES >> Replace ECM. Refer to EC-485, "Removal and Installation".
NO >> INSPECTION END
The low washer fluid warning lamp does not turn on or off
Description
The low washer fluid warning lamp is still illuminated even after washer
fluid is added.
The low washer fluid warning lamp is not illuminated even though the
washer tank is empty.
Diagnosis procedure
1.Check washer fluid level switch signal circuit
Check the washer fluid ...
P0462, P0463 Fuel level sensor
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P0462 or P0463 is displayed with DTC UXXXX, first perform the
trouble diagnosis for DTC
UXXXX.
If DTC P0462 or P0463 is displayed with DTC P0607, first perform the
trouble diagnosis for DTC
P0607. Refer to EC-350, "DTC Logic".
...
Basic inspection
Work Procedure
1.INSPECTION START
Check service records for any recent repairs that may indicate a related
malfunction, or a current need for
scheduled maintenance.
Open engine hood and check the following:
Harness connectors for improper connections
Wiring harness for improper c ...