DTC Description
DTC DETECTION LOGIC
DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC detecting condition |
U1040 | ENG COMM CIRCUIT (Engine communication circuit) | ECM cannot transmit a communication signal to generator. |
POSSIBLE CAUSE
FAIL-SAFE
Not applicable
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted. always perform the following procedure before conducting the next test.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
Is DTC detected? YES >> Proceed to EC-171, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK LIN COMMUNICATION CIRCUIT
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair or replace error-detected parts.
2.REPLACE GENERATOR
Is DTC detected again? YES >> Replace ECM. Refer to EC-499, "Removal and Installation".
NO >> INSPECTION END
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
...
Shift lock system
Component Function Check
1.CHECK SHIFT LOCK OPERATION (PART 1)
Turn ignition ON.
Shift the selector lever to “P” position.
Attempt to shift the selector lever to any other than position
with the brake pedal released.
Can the selector lever be shifted to any other ...
Rear window defogger switch
WITH MANUAL A/C
WITH MANUAL A/C : Description
The rear window defogger is operated by pressing the rear window
defogger switch ON.
The indicator lamp in the rear window defogger switch illuminates
while the rear window defogger is ON.
WITH MANUAL A/C : Component Function Check
...