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
P052A, P052B intake valve timing control
P0604 ECMBasic inspection
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
1.GET INFORMATION FOR SYMPTOM
Get detailed information from the customer about the symptom (the
condition and the environment when
the incident/malfunction occurs).
Check operation condition of the ...
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
...
Operation
AUTOMATIC SPEED CONTROL DEVICE (ASCD)
AUTOMATIC SPEED CONTROL DEVICE (ASCD) : Switch Name and Function
SWITCHES AND INDICATORS
A On the combination meter
B On the steering wheel
1 CRUISE indicator
2 SET indicator
3 CANCEL switch
4 ACCEL/RES switch
5 COAST/SET switch
6 ASCD MAIN sw ...