DTC C1022-14

DTC C1022-14  : Power Source Failure for Pump Motor

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.

   -4. Test-drive the vehicle at 9 mph (15 km/h) or more for 20 seconds or more.

   NOTE:  Drive the vehicle on the road, not on a lift.

   -5. Check for DTCs with the HDS.

   DTC Description	DTC
   C1022-14 Power Source Failure for Pump Motor

   Is DTC C1022-14 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. Fuse check

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

   -2. Check the following fuse.

   Fuse

   No. A5-4

   Is the fuse OK?

   YES 

   The fuse is OK. Reinstall the fuse, then go to step 5.

   NO 

   Go to step 3.

3. Shorted wire check (+B ABS/VSA MTR line)

   -1. Disconnect the following connector.

   VSA modulator-control unit 46P connector

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

   Test condition	Vehicle OFF (LOCK) mode
   	VSA modulator-control unit 46P connector: disconnected
   Test point 1	VSA modulator-control unit 46P connector No. 3
   Test point 2	Body ground

   Is there continuity?

   YES 

   Repair a short to body ground in the wire between the No. A5-4 fuse and the VSA modulator-control unit.

   NO 

   The +B ABS/VSA MTR wire is not shorted to body ground. Install a new No. A5-4 fuse, then go to step 4.

4. VSA modulator-control unit check

   -1. Reconnect the following connector.

   VSA modulator-control unit 46P connector

   -2. Turn the vehicle to the ON mode.

   -3. Clear the DTC with the HDS.

   -4. Turn the vehicle to the OFF (LOCK) mode.

   -5. Test-drive the vehicle at 9 mph (15 km/h) or more for 20 seconds or more.

   NOTE:  Drive the vehicle on the road, not on a lift.

   -6. Check for DTCs with the HDS.

   DTC Description	DTC
   C1022-14 Power Source Failure for Pump Motor

   Is DTC C1022-14 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 

   Troubleshooting is complete.

5. Open wire check (+B ABS/VSA MTR line)

   -1. Disconnect the following connector.

   VSA modulator-control unit 46P connector

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

   Test condition	Vehicle OFF (LOCK) mode
   	VSA modulator-control unit 46P connector: disconnected
   Test point 1	VSA modulator-control unit 46P connector No. 3
   Test point 2	Body ground

   Is there battery voltage?

   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 

   Repair an open in the wire between the No. A5-4 fuse and the VSA modulator-control unit.