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Home >> Mazda >> 2021 >> 3 Base >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Symptom Troubleshooting - MAZDA Radar Cruise Control (MRCC) System >> MRCC Cannot Be Set >> Diagnostic Procedure

Diagnostic Procedure

MRCC CANNOT BE SET DIAGNOSTIC PROCEDURE

Step Inspection Results Action
1 VERIFY ALL SYSTEM DTCs
  • Perform the DTC inspection. (See DTC INSPECTION .)
  • Are any DTCs displayed?
Yes Repair the malfunctioning location according to the applicable DTC troubleshooting.
No Go to the next step.
2 INSPECT CRUISE CONTROL SWITCH FOR MALFUNCTION Yes Go to the next step.
No Repair or replace the malfunctioning location and perform the repair completion verification.
(See CRUISE CONTROL SWITCH REMOVAL/INSTALLATION .)
3 INSPECT BUCKLE SWITCH FOR MALFUNCTION Yes Go to the next step.
No Repair or replace the malfunctioning location and perform the repair completion verification.
(See FRONT BUCKLE REMOVAL/INSTALLATION [(US)] .)
(See REAR BUCKLE REMOVAL/INSTALLATION .)
4 INSPECT BRAKE SWITCH FOR MALFUNCTION Yes Go to the next step.
No Repair or replace the malfunctioning location and perform the repair completion verification.
(See BRAKE PEDAL REMOVAL/INSTALLATION [L.H.D. (US)] .)
5 INSPECT ELECTRIC PARKING BRAKE SWITCH FOR MALFUNCTION Yes Go to the next step.
No Repair or replace the malfunctioning location and perform the repair completion verification.
(See ELECTRIC PARKING BRAKE SWITCH REMOVAL/INSTALLATION .)
6 INSPECT DOOR LATCH AND LOCK ACTUATOR FOR MALFUNCTION Yes ATX:
  • Go to the next step.

MTX:
  • Go to Step 8.
No Repair or replace the malfunctioning location and perform the repair completion verification. (See FRONT DOOR LATCH AND LOCK ACTUATOR REMOVAL/INSTALLATION .)
(See REAR DOOR LATCH AND LOCK ACTUATOR REMOVAL/INSTALLATION .)
7 INSPECT SELECTOR LEVER FOR MALFUNCTION Yes Perform the repair completion verification.
No Repair or replace the malfunctioning location and perform the repair completion verification.
(See SELECTOR LEVER COMPONENT REMOVAL/INSTALLATION .)
8 INSPECT CLUTCH STROKE SENSOR FOR MALFUNCTION Yes Perform the repair completion verification.
No Repair or replace the malfunctioning location and perform the repair completion verification.
(See CLUTCH STROKE SENSOR REMOVAL/INSTALLATION [C66M-R] .)
Repair completion verification VERIFY THAT VEHICLE IS REPAIRED
  • Install/connect the part removed/disconnected during the troubleshooting procedure.
  • Has the malfunction symptom been eliminated?
Yes Complete the symptom troubleshooting. (Explain contents of repair to customer)
No Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error. (See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [(US)] .)
If the CAN communication is normal, perform the diagnosis from Step 1.