DTC Description
DTC DETECTION LOGIC
DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC detecting condition |
P0603 | ECM BACK UP/CIRCUIT [Internal Control Module Keep Alive Memory (KAM) Error] | ECM buck up system does not function properly. |
P062F | CONTROL MODULE (Internal control module EEPROM error) | EEPROM (built-in microcomputer) system internal ECM does not function properly. |
POSSIBLE CAUSE
DTC P0603
DTC P062F
ECM
FAIL-SAFE
Not applicable
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
Perform the following procedure before performing DTC Confirmation Procedure.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE FOR DTC P062F
Is 1st trip DTC detected? YES >> Proceed to EC-371, "Diagnosis Procedure".
NO >> GO TO 3.
3.PERFORM DTC CONFIRMATION PROCEDURE FOR DTC P0603
7. Check 1st trip DTC.
Is 1st trip DTC detected? YES >> Proceed to EC-371, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.INSPECTION START
Check that the battery negative terminal is not disconnected during ignition switch ON.
Is the inspection result normal? YES >> GO TO 3.
NO >> GO TO 2.
2.ERASE DTC
Is DTC P062F detected again? YES >> Replace ECM. Refer to EC-499, "Removal and Installation".
NO >> INSPECTION END
3.CHECK ECM POWER SUPPLY AND GROUND CIRCUIT
Check ECM power supply and ground circuit. Refer to EC-165, "Diagnosis Procedure".
Is the inspection result normal? YES >> GO TO 4.
NO >> Repair or replace error-detected parts.
4.CHECK INTERMITTENT INCIDENT
Check intermittent incident. Refer to GI-41, "Intermittent Incident".
Is the inspection result normal? YES >> GO TO 5.
NO >> Repair or replace error-detected parts.
5.PERFORM DTC CONFIRMATION PROCEDURE
Is the DTC P0603 or P062F detected again? YES >> Replace ECM. Refer to EC-499, "Removal and Installation".
NO >> INSPECTION END
The liftgate open warning continues displaying, or does
not display
Description
The liftgate open warning is displayed continuously even though the
liftgate is closed.
The liftgate open warning is not displayed even though the
liftgate is open.
Diagnosis Procedure
1.CHECK BCM INPUT SIGNAL
Check the BCM input signal. Refer to DLK-149, "Com ...
Component parts
Component Parts Location
A/C switch (auto A/C)
Front air control (manual A/C)
No.
Component
Description
1
Rear window defogger connector
(Rear window defogger)
Refer to DEF-5, "Rear window defogger".
2
3
Rear win ...
The oil pressure warning continues displaying, or does
not display
Description
The low oil pressure warning message stays on when oil pressure is
normal.
The low oil pressure warning message stays off when oil pressure
is low.
Diagnosis Procedure
1.CHECK COMBINATION METER INPUT
Start the engine and select “METER/M&A” on CONSU ...