Electric Parking Brake System Symptom Troubleshooting - Brake system indicator (red) does not go off
- DTC check
-1. Turn the vehicle to the ON mode.
-2. Check for DTCs with the HDS.
DTC Description DTC Is DTC indicated?
YES
Go to indicated DTC's troubleshooting.
NO
Go to step 2.
- Gauge control module operation check
-1. Do the gauge control module self-diagnostic function .
Is the gauge control module OK?
YES
Go to step 3.
NO
- Shorted wire check (PARK_LAMP line)
-1. Turn the vehicle to the OFF (LOCK) mode.
-2. Disconnect the following connectors.
VSA modulator-control unit 46P connector Gauge control module connector A (32P) -3. Measure the resistance between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode VSA modulator-control unit 46P connector: disconnected Gauge control module connector A (32P): disconnected Test point 1 VSA modulator-control unit 46P connector No. 29 Test point 2 Body ground Is there 1 MΩ or more?
YES
The PARK_LAMP wire is OK. Check for loose terminals and poor connections in the VSA modulator-control unit 46P connector. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting. If they are OK, replace the VSA modulator-control unit .
NO
Repair a short to body ground in the wire between the VSA modulator-control unit and the gauge control module.