DTC Description
DTC DETECTION LOGIC
DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC detecting condition |
P1568 | ICC COMMAND VALUE (Intelligent cruise control command value) | ECM detects that a throttle valve opening angle request signal sent from chassis control module is difference from the specified value calculated by ECM. |
POSSIBLE CAUSE
FAIL-SAFE
Active trace control does not function.
DTC CONFIRMATION PROCEDURE
1.CHECK DTC PRIORITY
If DTC P1568 is displayed with DTC UXXXX, first perform the confirmation procedure for DTC UXXXX.
Is applicable DTC detected? YES >> Perform diagnosis for detected DTC. Refer to EC-93, "DTC Index".
NO >> GO TO 2.
2.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.
>> GO TO 3.
3.PERFORM DTC CONFIRMATION PROCEDURE
Is DTC detected? YES >> Proceed to EC-406, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK DTC PRIORITY
If DTC P1568 is displayed with DTC UXXXX, first perform the confirmation procedure for DTC UXXXX.
Is applicable DTC detected? YES >> Perform diagnosis for detected DTC. Refer to EC-93, "DTC Index".
NO >> GO TO 2.
2.CHECK SELF-DIAGNOSTIC RESULT OF CHASSIS CONTROL MODULE
Check that the chassis control module does not detect any DTC.
Is any DTC detected? YES >> GO TO 2.
NO >> Replace chassis control module. Refer to DAS-277, "Removal and Installation".
3.REPLACE CHASSIS CONTROL MODULE
Is DTC P1568 detected again? YES >> Replace ECM. Refer to EC-499, "Removal and Installation".
NO >> INSPECTION END
Rear window and outside mirror (if so equipped) defroster switch
To defrost the rear window glass and outside
mirrors (if so equipped), start the engine and
push the rear window defroster switch on. The
rear window defroster indicator light on the
switch comes on. Push the switch again to turn
the defroster off.
The rear window defroster automatically ...
How to follow trouble diagnoses
Description
NOTICE:
Trouble diagnoses indicate work procedures required to diagnose problems
effectively. Observe the following
instructions before diagnosing.
Before performing trouble diagnoses, read the “Work Flow” in each
section.
After repairs, re-check that the pr ...
DTC/circuit diagnosis
U1000 CAN COMM CIRCUIT
Description
Refer to LAN-8, "System Description".
DTC Logic
DTC DETECTION LOGIC
NOTE:
U1000 can be set if a module harness was disconnected and reconnected, perhaps
during a repair. Confirm
that there are actual CAN diagnostic symptoms and a present DTC by p ...