EPS - EPS indicator does not go off, and no DTCs are stored (2013 2014 2015 2016 2017 2018)
EPS indicator does not go off, and no DTCs are stored
NOTE: The all sensor learn in the VSA system may not have properly completed.
- Problem verification
-1. Start the engine.
-2. Check the EPS indicator.
Does the EPS indicator come on, then go off?
YES
Intermittent failure, the system is OK at this time.
NO
Go to step 2.
- All DTCs check except EPS system
-1. Test-drive the vehicle at 10 km/h (6 mph) or more.
-2. All DTCs check with the HDS.
All DTCs
Are there DTCs indicated?
YES
Go to the indicated DTC's troubleshooting.
NO
Go to step 3.
- Gauge control module operation check
-1. Do the gauge control module self-diagnostic function .
Does the EPS indicator blinkΩ
YES
Go to step 4.
NO
- Fuse check 1
-1. Press the engine start/stop button to select the OFF mode.
-2. Check the following fuse.
Fuse No. A1-1 (70 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
Replace the fuse. If the fuse blows again, repair the short to ground on the No. A1-1 (70 A) fuse circuit.
- Fuse check 2
-1. Check the following fuse.
Fuse No. B24 (7.5 A) Location Under-dash fuse/relay box Is the fuse OK?
YES
The fuse is OK. Reinstall the fuse, then go to step 6.
NO
Replace the fuse. Press the engine start/stop button to select the ON mode, then the OFF mode. If the fuse blows again, repair the short to ground on the No. B24 (7.5 A) fuse circuit.
- Open wire check (+B EPS line)
-1. Disconnect the following connector.
EPS control unit connector A (11P) -2. Measure the voltage between test points 1 and 2.
Test condition OFF mode EPS control unit connector A (11P): disconnected Test circuit +B EPS Test point 1 EPS control unit connector A (11P) No. 2 (WHT) Test point 2 Body ground Is there battery voltage?
YES
The +B EPS wire is OK. Go to step 7.
NO
Repair an open in the wire between the under-hood fuse/relay box and the EPS control unit.
- Open wire check (IG1 VSA/ABS line)
-1. Press the engine start/stop button to select the ON mode.
-2. Measure the voltage between test points 1 and 2.
Test condition ON mode EPS control unit connector A (11P): disconnected Test circuit IG1 VSA/ABS Test point 1 EPS control unit connector A (11P) No. 9 (GRY) Test point 2 Body ground Is there battery voltage?
YES
The IG1 VSA/ABS wire is OK. Go to step 8.
NO
Repair an open in the wire between the under-dash fuse/relay box and the EPS control unit.
- Open wire check (GND line)
-1. Press the engine start/stop button to select the OFF mode.
-2. Reconnect the following connector.
EPS control unit connector A (11P) -3. Press the engine start/stop button to select the ON mode.
-4. Measure the voltage between test points 1 and 2.
Test condition ON mode Test circuit GND Test point 1 EPS control unit connector A (11P) No. 1 (BLK) Test point 2 Body ground Is there 0.1 V or less?
YES
The GND wire is OK. Go to step 9.
NO
Repair an open in the wire between the EPS control unit and body ground (G403).
- EPS control unit check (update)
-1. Update the EPS control unit if it does not have the latest software.
-2. Start the engine.
-3. Check the EPS indicator.
Does the EPS indicator come on, then go off?
YES
Troubleshooting is complete.
NO