NO.4 THERE IS A MALFUNCTION IN THE SYSTEM EVEN THOUGH ABS WARNING LIGHT, BRAKE SYSTEM WARNING LIGHT, TCS/DSC INDICATOR LIGHT AND DSC OFF INDICATOR LIGHT DO NOT ILLUMINATE [DYNAMIC STABILITY CONTROL (DSC)]
NO.4 THERE IS A MALFUNCTION IN THE SYSTEM EVEN THOUGH ABS WARNING LIGHT, BRAKE SYSTEM WARNING LIGHT, TCS/DSC INDICATOR LIGHT AND DSC OFF INDICATOR LIGHT DO NOT ILLUMINATE [DYNAMIC STABILITY CONTROL (DSC)]
SM2335150
id0403b2890400
|
Troubleshooting item |
There is a malfunction in the system even though ABS warning light, brake system warning light, TCS/DSC indicator light and DSC OFF indicator light do not illuminate |
|---|---|
|
Possible cause
|
• There is a mechanical malfunction in system.
|
Diagnostic procedure
|
Step |
Inspection |
Results |
Action |
|---|---|---|---|
|
1
|
CONFIRM DSC HU/CM DTC
• Retrieve the DSC HU/CM DTC using the M-MDS. (See DTC INSPECTION.)
• Are any DTCs present?
|
Yes
|
Go to the applicable DTC inspection.
(See DTC TABLE [DSC HU/CM (US)].)
|
|
No
|
Go to the next step.
|
||
|
2
|
VERIFY SOLENOID VALVE OPERATION
• Switch the ignition off.
• Connect the M-MDS to the DLC-2.
• Switch the ignition ON (engine off).
• Access the simulation for the solenoid valve using the M-MDS. (See SIMULATION INSPECTION.)
• Does the solenoid valve operate?
|
Yes
|
Inspect the conventional brake system.
If there is a malfunction:
• Repair or replace any malfunctioning parts according to the inspection result.
Perform the repair completion verification.
|
|
No
|
Repair or replace any malfunctioning parts according to the inspection result.
Perform the repair completion verification.
|
||
|
Repair completion verification
|
VERIFY THAT MALFUNCTION SYMPTOMS DO NOT RECUR AFTER REPAIR
• Install/connect the part removed/disconnected during the troubleshooting procedure.
• Has the malfunction symptom been eliminated?
|
Yes
|
Complete the symptom troubleshooting.
Explain to the customer what has been repaired.
|
|
No
|
Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error.
If the CAN communication is normal, perform the diagnosis from Step 1.
|