Diagnosis Procedure

CHECK DTC PRIORITY

If DTC "C1A03" is displayed with DTC "U1000" or "C1A04", first diagnose the DTC "U1000" or "C1A04".

Is applicable DTC detected?

YES

Perform diagnosis of applicable.
- U1000: Refer to DTC LOGIC
- C1A04: Refer to DTC LOGIC
NO

GO TO STEP 2 .

CHECK DATA MONITOR
1. Start the engine.
2. Drive the vehicle.
3. Check that the value of "VSP SENSOR" in "Data Monitor" of "TRANSMISSION" is almost the same as the value of "VHCL SPEED SE" in "Data Monitor" mode of "LASER/RADAR".
CAUTION:
Be careful of the vehicle speed.

Is the inspection result normal?

YES

Replace the distance sensor. Refer to REMOVAL AND INSTALLATION .

NO

GO TO STEP 3.

CHECK TCM SELF-DIAGNOSIS RESULTS
1. Perform "All DTC Reading".
2. 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

GO TO STEP 4.

CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS RESULTS

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 .