Description
The ECM receives two vehicle speed signals via the CAN communication line. One is sent from combination meter, and the other is from TCM (Transmission control module). The ECM uses these signals for ASCD control.
Refer to EC-68, "System Diagram" for ASCD functions.
DTC Logic
DTC DETECTION LOGIC
NOTE:
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following before conducting the next test.
2.PERFORM DTC CONFIRMATION PROCEDURE
NOTE: This procedure may be conducted with the drive wheels lifted in the shop or by driving the vehicle.
If a road test is expected to be easier, it is unnecessary to lift the vehicle.
Diagnosis Procedure
1.CHECK DTC WITH TCM
Check DTC with TCM.
2.CHECK DTC WITH "ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)"
3.CHECK COMBINATION METER FUNCTION
P1700 CVT CONTROL SYSTEM
Description
This DTC is displayed with other DTC regarding TCM. Perform the trouble diagnosis for corresponding DTC.
Refer to EC-542, "DTC Index". When this DTC is detected, the ASCD control is canceled.
Driver side door mirror defogger does not operate
Diagnosis Procedure
1. CHECK DOOR MIRROR DEFOGGER LH
Check door mirror defogger LH.
PASSENGER SIDE DOOR MIRROR DEFOGGER DOES NOT OPERATE
Diagnosis Procedure
1. CHECK DOOR MIRROR DEFOGGER RH
Check door mirror defogger RH.
REAR WINDOW DEFOGGER SWITCH DOES NOT LIGHT, BUT REAR WINDOW
DEFOGGER O ...
System maintenance
The sensor A is located behind the lower grille
of the front bumper.
To keep the system operating properly, be sure to
observe the following:
Always keep the sensor area of the front
bumper clean.
Do not strike or damage the areas around
the sensor.
Do not cover or attach st ...
U1300 AV comm circuit
Description
U1300 is indicated when a communication signal malfunction occurs. U1300 is
indicated along with DTCs that
identify components connected to the AV control unit through communication
lines. Determine the possible
malfunction cause from the table below.
SELF-DIAGNOSIS RESULTS DIS ...