DTC: C1022-14

DTC C1022-14  : Power Source Failure for Pump Motor

NOTE: Before You Troubleshoot, Review The General Troubleshooting Information .

DTCs (VSA)

1. 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.

   - 4. Test-drive the vehicle on the road in a straight line at 19 mph (30km/h) or more.

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

   - 5. Check for DTCs with the HDS.

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

   Is DTC C1022-14 indicated?

   YES 

   Go to step 2.

   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. Fuse check

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

   - 2. Check the following fuse.

   Fuse	No. A1-3 (40 A)
   Location	Under-hood fuse/relay box

   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 (VSA MTR(+B) line)

   -1. Disconnect the following connector.

   VSA modulator-control unit 38P connector

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

   Test condition	Vehicle OFF (LOCK) mode
   	VSA modulator-control unit 38P connector: disconnected
   Test point 1	VSA modulator-control unit 38P connector No. 2 - Refer to: VSA Modulator-Control Unit Connector for Inputs and Outputs (2016 2017 2018) or VSA Modulator-Control Unit Connector for Inputs and Outputs (2019 2020 2021)
   Test point 2	Body ground

   Is there continuity?

   YES 

   Repair a short to body ground in the wire between the No. A1-3 (40 A) fuse in the under-hood fuse/relay box and the VSA modulator-control unit.

   NO 

   The VSA MTR(+B) wire is not shorted to body ground. Install a new No. A1-3 (40 A) fuse in the under-hood fuse/relay box, then go to step 4.

4. VSA modulator-control unit check

   -1. Reconnect the following connector.

   VSA modulator-control unit 38P 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 on the road in a straight line at 19 mph (30km/h) or more.

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

   - 6. Check for DTCs with the HDS.

   DTC Description	DTC	Freeze Frame
   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 38P connector. If they are OK, replace the VSA Modulator-Control Unit. Refer to:

   Replace The VSA Modulator-Control Unit .

   NO 

   Troubleshooting is complete.

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

   -1. Disconnect the following connector.

   VSA modulator-control unit 38P connector

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

   Test condition	Vehicle OFF (LOCK) mode
   	VSA modulator-control unit 38P connector: disconnected
   Test point 1	VSA modulator-control unit 38P connector No. 2 - Refer to: VSA Modulator-Control Unit Connector for Inputs and Outputs (2019 2020 2021) or VSA Modulator-Control Unit Connector for Inputs and Outputs (2016 2017 2018)
   Test point 2	Body ground

   Is there battery voltage?

   YES 

   The VSA MTR(+B) wire is OK. Check for loose terminals and poor connections in the VSA modulator-control unit 38P connector. If they are OK, replace the VSA Modulator-Control Unit. refer to:

   Replace The VSA Modulator-Control Unit .

   NO 

   Repair an open in the wire between the No. A1-3 (40 A) fuse in the under-hood fuse/relay box and the VSA modulator-control unit.