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
Trunk room trim
Exploded View
Trunk floor trim
Trunk front floor spacer (LH)
Trunk side finisher (LH)
Reflector box assembly*
Trunk rear plate
Trunk side finisher (RH)
Trunk front floor spacer (RH)
Clip
Pawl
Trunk rear plate
TRUNK REAR PLATE : Removal and Installation
REMOVAL
Remove ...
Abs branch line circuit
Diagnosis procedure
1.Check connector
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the abs actuator and electric unit
(control unit) for damage, bend
and loose connection (unit side and connector side).
...
P0138 HO2S2
DTC Logic
DTC DETECTION LOGIC
The heated oxygen sensor 2 has a much longer switching time between rich and
lean than the air fuel ratio (A/
F) sensor 1. The oxygen storage capacity of the three way catalyst (manifold)
causes the longer switching
time.
MALFUNCTION A
To judge the malfunction ...