DTC Troubleshooting: C1C03-11
DTC C1C03-11: Brake Pedal Stroke Sensor Signal Circuit 2 Short To Ground
NOTE: Before you troubleshoot, review the general troubleshooting information.

DTC Description
DTC
Freeze Frame
C1C03-11 Brake Pedal Stroke Sensor Signal Circuit 2 Short To Ground
    

1.
DTC check:

DTC check
?1.
Turn the vehicle to the ON mode.

?2.
Clear the DTC with the HDS.


?3.
Turn the vehicle to the OFF (LOCK) mode, then wait 5 seconds or more.
NOTE: Do not open and close the driver's door.

?4.
Turn the vehicle to the ON mode.

?5.
Check for DTCs with the HDS.
DTC Description
DTC
Freeze Frame
C1C03-11 Brake Pedal Stroke Sensor Signal Circuit 2 Short To Ground
    
C1C04-11 Brake Pedal Stroke Sensor Power Circuit Short To Ground or Battery
    

Is DTC C1C03-11 indicated?

     
YES
     
     
     
If only C1C03-11 is indicated, go to step 2.
     
YES
     
     
     
If DTC C1C04-11 is also indicated, go to DTC C1C04-11.?
     
NO
     
     
     
Intermittent failure, the system is OK at this time. Refer to intermittent failures troubleshooting. If the freeze data/on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the freeze data/on-board snapshot.?
2.
Shorted wire check (PTS2 line to ground):

Shorted wire check (PTS2 line to ground)
?1.
Turn the vehicle to the OFF (LOCK) mode with driver's door open.

?2.
Wait for 3 minutes.
NOTE: Do not close the driver's door.

?3.
Remove the 12 volt battery.

?4.
Disconnect the following connectors.
Electric brake booster 26P connector
Brake pedal stroke sensor 4P connector

?5.
Check for continuity between test points 1 and 2.
Test condition
Vehicle OFF (LOCK) mode
 
Electric brake booster 26P connector
 
Brake pedal stroke sensor 4P connector: disconnected
Test point 1
Electric brake booster 26P connector No. 21
Test point 2
Body ground

Is there continuity?

     
YES
     
     
     
Repair a short to ground in the wire between the electric brake booster and the brake pedal stroke sensor.?
     
NO
     
     
     
Go to step 3.
3.
Shorted wire check (PTS2 line to PTS GND line):

Shorted wire check (PTS2 line to PTS GND line)
?1.
Check for continuity between test points 1 and 2.
Test condition
Vehicle OFF (LOCK) mode
 
Electric brake booster 26P connector
 
Brake pedal stroke sensor 4P connector: disconnected
Test point 1
Electric brake booster 26P connector No. 21
Test point 2
Electric brake booster 26P connector No. 5

Is there continuity?

     
YES
     
     
     
Repair a short in the wire between the electric brake booster and the brake pedal stroke sensor.?
     
NO
     
     
     
Check for loose terminals and poor connections in the electric brake booster 26P connector. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting. If they are OK, replace the electric brake booster.?