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
B terminal circuit
Description
Terminal “B” is constantly supplied with battery power.
Diagnosis Procedure
Regarding Wiring Diagram information, refer to STR-7, "Wiring Diagram".
CAUTION:
Perform diagnosis under the condition that the engine cannot start by the
following procedure.
Remov ...
ECU diagnosis information
EPS CONTROL UNIT
Reference Value
VALUES ON THE DIAGNOSIS TOOL
CAUTION:
The output signal indicates the EPS control unit calculation data. The normal
values will be displayed
even in the event that the output circuit (harness) is open.
NOTE:
The following table includes information (items) ...
Precaution
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT
PRE-TENSIONER"
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”,
used along
with a front seat belt, helps to reduce the risk or severity of injury to the
...