MRCC CANNOT BE SET [VEHICLE CONTROL MODULE (V/C-MODULE)]

id0103g5010800

Description

• The vehicle speed and the distance between the vehicles cannot be set using the cruise control switch.

Possible malfunction

• DSC or TCS is turned off

• Vehicle speed is outside of operation condition range

• Driver's seat belt is not fastened

• Buckle switch malfunction

• Door latch switch malfunction

• Cruise control switch malfunction

• Selector lever position malfunction

• Vehicle control module (V/C-module) malfunction

Diagnostic Procedure

Step

Inspection

Action

1

VERIFY DTCs

•  Display the Vehicle control module (V/C-module) DTC using the M-MDS.
(See DTC INSPECTION [VEHICLE CONTROL MODULE (V/C-MODULE)])

•  Is a DTC displayed?

Yes

Repair the malfunctioning location according to the applicable DTC troubleshooting.

(See DTC TABLE [VEHICLE CONTROL MODULE (V/C-MODULE)])

No

Go to the next step.

2

VERIFY DRIVING CONDITION

•  Ask the customer if the condition was any of the following conditions when the malfunction occurred.

―  DSC or TCS is turned off

―  Vehicle speed is outside of operation conditions described in technical guide

―  Driver's seat belt is not fastened

•  Is any of the above driving conditions met?

Yes

The vehicle is normal.

Complete the symptom troubleshooting.

No

Go to the next step.

3

VERIFY WARNING/INDICATOR LIGHT ON CONDITION

•  Verify whether the following instrument cluster warning/indicator lights are turned on or flashing.

―  Seat belt warning indication

―  Door-ajar warning indication

•  Are any of the above indications displayed?

Yes

Verify the type of warning/indicator light displayed.

If the seat belt warning indication is turned on or flashing:

•  Go to the next step.

If the door-ajar warning indication is turned on or flashing:

•  Go to Step 5.

No

Go to Step 6.

4

INSPECT BUCKLE SWITCH (DRIVER)

•  Inspect the buckle switch (driver).
(See BUCKLE SWITCH INSPECTION)

•  Is the buckle switch (driver) normal?

Yes

Go to Step 6.

No

Replace the driver's front buckle, then go to Step 6.

(See FRONT BUCKLE REMOVAL/INSTALLATION)

5

INSPECT FRONT AND REAR DOOR LATCH SWITCHES (RH/LH)

•  Inspect the front and rear door latch switches (RH/LH).
(See FRONT DOOR LATCH SWITCH INSPECTION)

(See REAR DOOR LATCH SWITCH INSPECTION)

•  Are the front and rear door latch switches (RH/LH) normal?

Yes

Go to the next step.

No

Replace the malfunctioning door latch and lock actuator, then go to the next step.

(See FRONT DOOR LATCH AND LOCK ACTUATOR REMOVAL/INSTALLATION)

(See REAR DOOR LATCH AND LOCK ACTUATOR REMOVAL/INSTALLATION)

6

INSPECT CRUISE CONTROL SWITCH

•  Inspect the cruise control switch.
(See CRUISE CONTROL SWITCH INSPECTION [MAZDA RADAR CRUISE CONTROL (MRCC) SYSTEM])

•  Is the cruise control switch normal?

Yes

Go to the next step.

No

Replace the cruise control switch, then go to the next step.

(See CRUISE CONTROL SWITCH REMOVAL/INSTALLATION [MAZDA RADAR CRUISE CONTROL (MRCC) SYSTEM])

7

VERIFY SELECTOR LEVER POSITION RECOGNITION CONDITION

•  Operate the selector lever and verify whether the selector lever position is correctly indicated in the instrument cluster.

•  Is the selector lever position correctly indicated in the instrument cluster?

Yes

Go to the next step.

No

Replace the selector cable, then go to the next step.

(See AUTOMATIC TRANSAXLE SHIFT MECHANISM REMOVAL/INSTALLATION)

8

INSPECT VEHICLE CONTROL MODULE (V/C-MODULE)

•  Inspect the vehicle control module (V/C-module).
(See VEHICLE CONTROL MODULE (V/C-MODULE) INSPECTION [MAZDA RADAR CRUISE CONTROL (MRCC) SYSTEM])

•  Is the vehicle control module (V/C-module) normal?

Yes

Complete the symptom troubleshooting.

No

Replace the vehicle control module (V/C-module).

(See VEHICLE CONTROL MODULE (V/C-MODULE) REMOVAL/INSTALLATION [MAZDA RADAR CRUISE CONTROL (MRCC) SYSTEM])

Step	Inspection		Action
1	VERIFY DTCs • Display the Vehicle control module (V/C-module) DTC using the M-MDS. (See DTC INSPECTION [VEHICLE CONTROL MODULE (V/C-MODULE)]) • Is a DTC displayed?	Yes	Repair the malfunctioning location according to the applicable DTC troubleshooting. (See DTC TABLE [VEHICLE CONTROL MODULE (V/C-MODULE)])
1		No	Go to the next step.
2	VERIFY DRIVING CONDITION • Ask the customer if the condition was any of the following conditions when the malfunction occurred. ― DSC or TCS is turned off ― Vehicle speed is outside of operation conditions described in technical guide ― Driver's seat belt is not fastened • Is any of the above driving conditions met?	Yes	The vehicle is normal. Complete the symptom troubleshooting.
2		No	Go to the next step.
3	VERIFY WARNING/INDICATOR LIGHT ON CONDITION • Verify whether the following instrument cluster warning/indicator lights are turned on or flashing. ― Seat belt warning indication ― Door-ajar warning indication • Are any of the above indications displayed?	Yes	Verify the type of warning/indicator light displayed. If the seat belt warning indication is turned on or flashing: • Go to the next step. If the door-ajar warning indication is turned on or flashing: • Go to Step 5.
3		No	Go to Step 6.
4	INSPECT BUCKLE SWITCH (DRIVER) • Inspect the buckle switch (driver). (See BUCKLE SWITCH INSPECTION) • Is the buckle switch (driver) normal?	Yes	Go to Step 6.
4		No	Replace the driver's front buckle, then go to Step 6. (See FRONT BUCKLE REMOVAL/INSTALLATION)
5	INSPECT FRONT AND REAR DOOR LATCH SWITCHES (RH/LH) • Inspect the front and rear door latch switches (RH/LH). (See FRONT DOOR LATCH SWITCH INSPECTION) (See REAR DOOR LATCH SWITCH INSPECTION) • Are the front and rear door latch switches (RH/LH) normal?	Yes	Go to the next step.
5		No	Replace the malfunctioning door latch and lock actuator, then go to the next step. (See FRONT DOOR LATCH AND LOCK ACTUATOR REMOVAL/INSTALLATION) (See REAR DOOR LATCH AND LOCK ACTUATOR REMOVAL/INSTALLATION)
6	INSPECT CRUISE CONTROL SWITCH • Inspect the cruise control switch. (See CRUISE CONTROL SWITCH INSPECTION [MAZDA RADAR CRUISE CONTROL (MRCC) SYSTEM]) • Is the cruise control switch normal?	Yes	Go to the next step.
6		No	Replace the cruise control switch, then go to the next step. (See CRUISE CONTROL SWITCH REMOVAL/INSTALLATION [MAZDA RADAR CRUISE CONTROL (MRCC) SYSTEM])
7	VERIFY SELECTOR LEVER POSITION RECOGNITION CONDITION • Operate the selector lever and verify whether the selector lever position is correctly indicated in the instrument cluster. • Is the selector lever position correctly indicated in the instrument cluster?	Yes	Go to the next step.
7		No	Replace the selector cable, then go to the next step. (See AUTOMATIC TRANSAXLE SHIFT MECHANISM REMOVAL/INSTALLATION)
8	INSPECT VEHICLE CONTROL MODULE (V/C-MODULE) • Inspect the vehicle control module (V/C-module). (See VEHICLE CONTROL MODULE (V/C-MODULE) INSPECTION [MAZDA RADAR CRUISE CONTROL (MRCC) SYSTEM]) • Is the vehicle control module (V/C-module) normal?	Yes	Complete the symptom troubleshooting.
8		No	Replace the vehicle control module (V/C-module). (See VEHICLE CONTROL MODULE (V/C-MODULE) REMOVAL/INSTALLATION [MAZDA RADAR CRUISE CONTROL (MRCC) SYSTEM])