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
Unit disassembly and assembly
ELECTRIC CONTROLLED COUPLING
Exploded View
Stud bolt
Connector bracket
Reamer bolt
Electric controlled coupling assembly
Wave spring
Drive pinion oil seal
Drive pinion lock nut
Pinion front bearing
Gear carrier
Collapsible spacer
Drive pinion adjusting shim
Pini ...
B0091 front side air bag satellite sensor LH
Description
DTC B0091 FRONT SATELLITE SENSOR LH
The front side air bag satellite sensor LH is wired to the air bag diagnosis
sensor unit. The air bag diagnosis
sensor unit will monitor the front side air bag satellite sensor LH for internal
failures and its circuits for communication
errors. ...
P0420 three way catalyst function
DTC Description
DTC DETECTION LOGIC
The ECM monitors the switching frequency ratio of air fuel ratio (A/F)
sensor 1 and heated oxygen sensor 2.
A three way catalyst (manifold) with high oxygen storage capacity
will indicate a low switching frequency of heated oxygen sensor 2.
As oxygen sto ...