Diagnosis Procedure
- CHECK DTC PRIORITY
If DTC "C1A15" is displayed with DTC "U1000", "C1A03" or "C1A04" first diagnose the DTC "U1000", "C1A03" or "C1A04"
Is applicable DTC detected?
YES
Perform diagnosis of applicable.
NO
GO TO STEP 2 .
- CHECK VEHICLE SPEED SIGNAL
Check that "VHCL SPEED SE" operates normally in "Data Monitor" mode of "LASER/RADAR".
CAUTION:Be careful of the vehicle speed.
Is the inspection result normal?
YES
GO TO STEP 3.
NO
GO TO STEP 7.
- CHECK GEAR POSITION
Check that "GEAR" operates normally in "Data Monitor" mode of "LASER/RADAR".
CAUTION:Be careful of the vehicle speed.
Is the inspection result normal?
YES
GO TO STEP 5.
NO
GO TO STEP 4.
- CHECK GEAR POSITION SIGNAL
Check that "GEAR" operates normally in "Data Monitor" mode of "TRANSMISSION".
Is the inspection result normal?
YES
GO TO STEP 5.
NO
GO TO STEP 6.
- CHECK INPUT SPEED SENSOR SIGNAL
Check that "INPUT SPEED" operates normally in "Data Monitor" mode of "TRANSMISSION".
Is the inspection result normal?
YES
Replace the distance sensor. Refer to REMOVAL AND INSTALLATION .
NO
GO TO STEP 6.
- CHECK TCM SELF-DIAGNOSIS RESULTS
- Perform "All DTC Reading".
- Check if any DTC is detected in "Self Diagnostic Result" mode of "TRANSMISSION".
Is any DTC detected?
YES
Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to DTC INDEX .
NO
Replace the distance sensor. Refer to REMOVAL AND INSTALLATION .
- CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS RESULTS
- Perform "All DTC Reading".
- Check if any DTC is detected in "Self Diagnostic Result" mode of "ABS".
Is any DTC detected?
YES
Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to DTC INDEX .
NO
Replace the distance sensor. Refer to REMOVAL AND INSTALLATION .