DTC Description
DTC DETECTION LOGIC
DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC detecting condition |
P0604 | ECM [Internal control module random access memory (RAM) error] | Malfunction in the internal RAM of ECM. |
POSSIBLE CAUSE
ECM
FAIL-SAFE
Not applicable
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-372, "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-499, "Removal and Installation".
NO >> INSPECTION END
Washer motor circuit
Diagnosis Procedure
Regarding Wiring Diagram information, refer to WW-22, "Wiring Diagram".
1. CHECK FRONT AND REAR WASHER MOTOR FUSE
Turn the ignition switch OFF.
Check that the following fuse is not blown.
Is the fuse blown?
YES >> Replace the blown fuse ...
Diagnosis system (BCM) (with intelligent key system)
COMMON ITEM
COMMON ITEM : CONSULT Function (BCM - COMMON ITEM)
APPLICATION ITEM
CONSULT performs the following functions via CAN communication with BCM.
SYSTEM APPLICATION
BCM can perform the following functions.
BUZZER
BUZZER : CONSULT Function (BCM - BUZZER)
DATA MONITOR
ACTIV ...
CAN system (type 6)
MAIN LINE BETWEEN IPDM-E AND DLC CIRCUIT
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the following terminals and connectors for damage, bend and
loose connection (connector side
an ...