DTC C1131-14

DTC C1131-14  : Clutch Pedal Stroke Sensor CPS Open or Short

NOTE: Before you troubleshoot, review the general troubleshooting information .

DTC (VSA)

1. Problem verification

   -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 to the ON mode.

   -4. Check for DTCs with the HDS.

   DTC Description	DTC
   C1131-14 Clutch Pedal Stroke Sensor CPS Open or Short

   Is DTC C1131-14 indicated?

   YES 

   The failure is duplicated. Go to step 2.

   NO 

   Intermittent failure, the system is OK at this time. Refer to intermittent failures troubleshooting .

2. Open wire check (CSS GND line)

   -1. Turn the vehicle to the OFF (LOCK) mode.

   -2. Disconnect the following connector.

   Clutch pedal stroke sensor 4P connector

   -3. Check for continuity between test points 1 and 2.

   Test condition	Vehicle OFF (LOCK) mode
   	Clutch pedal stroke sensor 4P connector: disconnected
   Test point 1	Clutch pedal stroke sensor 4P connector (female terminals) No. 4:
   Test point 2	Body ground

   Courtesy of HONDA, U.S.A., INC.

   Is there continuity?

   YES 

   Go to step 3.

   NO 

   Repair an open in the wire between the VSA modulator-control unit and the clutch pedal stroke sensor.

3. Shorted wire check (CSS SIG1, SIG2 line to power)

   -1. Turn the vehicle to the ON mode.

   -2. Measure the voltage between test points 1 and 2.

   Test condition	Vehicle ON mode
   	Clutch pedal stroke sensor 4P connector: disconnected

   CSS SIG1 

   Test point 1	Clutch pedal stroke sensor 4P connector (female terminals) No. 2:
   Test point 2	Body ground

   CSS SIG2 

   Test point 1	Clutch pedal stroke sensor 4P connector (female terminals) No. 3:
   Test point 2	Body ground

   Courtesy of HONDA, U.S.A., INC.

   Is there 4.85 V or more?

   YES 

   Repair a short to power in the wire between the VSA modulator-control unit and the clutch pedal stroke sensor.

   NO 

   Go to step 4.

4. Shorted wire check (CSS SIG1, SIG2 line)

   -1. Turn the vehicle to the OFF (LOCK) mode.

   -2. Disconnect the following connector.

   VSA modulator-control unit 46P connector

   -3. Check for continuity between test points 1 and 2.

   Test condition	Vehicle OFF (LOCK) mode
   	VSA modulator-control unit 46P connector: disconnected
   	Clutch pedal stroke sensor 4P connector: disconnected

   CSS SIG1 

   Test point 1	VSA modulator-control unit 46P connector No. 18
   Test point 2	Body ground

   CSS SIG2 

   Test point 1	VSA modulator-control unit 46P connector No. 22
   Test point 2	Body ground

   Is there continuity?

   YES 

   Repair a short to body ground in the wire between the VSA modulator-control unit and the clutch pedal stroke sensor.

   NO 

   Go to step 5.

5. Open wire check (CSS SIG1, SIG2 line)

   -1. Check for continuity between test points 1 and 2.

   Test condition	Vehicle OFF (LOCK) mode
   	VSA modulator-control unit 46P connector: disconnected
   	Clutch pedal stroke sensor 4P connector: disconnected

   CSS SIG1 

   Test point 1	VSA modulator-control unit 46P connector No. 18
   Test point 2	Clutch pedal stroke sensor 4P connector (female terminals) No. 2:

   CSS SIG2 

   Test point 1	VSA modulator-control unit 46P connector No. 22
   Test point 2	Clutch pedal stroke sensor 4P connector (female terminals) No. 3:

   Courtesy of HONDA, U.S.A., INC.

   Is there continuity?

   YES 

   Go to step 6.

   NO 

   Repair an open in the wire between the VSA modulator-control unit and the clutch pedal stroke sensor.

6. Shorted wire check (CSS 5V line)

   -1. Check for continuity between test points 1 and 2.

   Test condition	Vehicle OFF (LOCK) mode
   	Clutch pedal stroke sensor 4P connector: disconnected
   	VSA modulator-control unit 46P connector: disconnected
   Test point 1	VSA modulator-control unit 46P connector No. 33
   Test point 2	Body ground

   Is there continuity?

   YES 

   Repair a short to body ground in the wire between the VSA modulator-control unit and the clutch pedal stroke sensor.

   NO 

   Go to step 7.

7. Open wire check (CSS 5V line)

   -1. Check for continuity between test points 1 and 2.

   Test condition	Vehicle OFF (LOCK) mode
   	VSA modulator-control unit 46P connector: disconnected
   	Clutch pedal stroke sensor 4P connector: disconnected

   Test point 1	VSA modulator-control unit 46P connector No. 33
   Test point 2	Clutch pedal stroke sensor 4P connector (female terminals) No. 1:

   Courtesy of HONDA, U.S.A., INC.

   Is there continuity?

   YES 

   Go to step 8.

   NO 

   Repair an open in the wire between the VSA modulator-control unit and the clutch pedal stroke sensor.

8. Clutch pedal stroke sensor check (substitution)

   -1. Substitute a known-good clutch pedal assembly .

   -2. Reconnect the following connectors.

   VSA modulator-control unit 46P connector

   Clutch pedal stroke sensor 4P connector

   -3. Turn the vehicle to the ON mode.

   -4. Clear the DTC with the HDS.

   -5. Turn the vehicle to the OFF (LOCK) mode, then to the ON mode.

   -6. Check for DTCs with the HDS.

   DTC Description	DTC
   C1131-14 Clutch Pedal Stroke Sensor CPS Open or Short

   Is DTC C1131-14 indicated?

   YES 

   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 

   Replace the original clutch pedal assembly .