DTC 23-03: CAN Engine Speed Data
NOTE: Before you troubleshoot, review the general troubleshooting information .
| DTC Description | DTC | Freeze Frame |
|---|---|---|
| 23-03 CAN Engine Speed Data |
- 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 start the engine, and let it run for at least 60 seconds.
4. Check for DTCs with the HDS.
DTC Description DTC Freeze Frame 23-03 CAN Engine Speed Data Is DTC 23-03 indicated?
YES
The failure is duplicated. Go to step 2.
NO
Intermittent failure, the system is OK at this time. 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. EPS system check:
1. Check the parameter(s) below with the HDS.
Signal Current conditions Values Unit ENGINE SPEED Is the engine speed indicated?
YES
Go to step 5.
NO
Go to step 3.
- 3. Open wire check (F-CAN_H, F-CAN_L lines):
1. Turn the vehicle to the OFF (LOCK) mode.
2. Jump the SCS line with the HDS, and wait more than 1 minute.
3. Disconnect the following connectors.
EPS control unit connector A (11P) PCM connector A (51P) 4. Check for continuity between test points 1 and 2 individually.
Test condition Vehicle OFF (LOCK) mode EPS control unit connector A (11P): disconnected PCM connector A (51P): disconnected Test point 1 EPS control unit connector A (11P) No. 7 Test point 2 PCM connector A (51P) No. 2 Test point 1 EPS control unit connector A (11P) No. 9 Test point 2 PCM connector A (51P) No. 1 Is there continuity?
YES
The F-CAN_H and F-CAN_L wires are OK. Go to step 4.
NO
Repair an open in the wire between the EPS control unit and the PCM.
- 4. PCM check (update or substitution):
1. Reconnect the following connectors.
EPS control unit connector A (11P) PCM connector A (51P) 2. Update the PCM if it does not have the latest software, or substitute a known-good PCM .
3. Clear the DTC with the HDS.
4. Turn the vehicle to the OFF (LOCK) mode, then start the engine, and let it run for at least 60 seconds.
5. Check for DTCs with the HDS.
DTC Description DTC Freeze Frame 23-03 CAN Engine Speed Data Is DTC 23-03 indicated?
YES
Go to step 5.
NO
If the PCM was updated, troubleshooting is complete. If the PCM was substituted, replace the original PCM .
- 5. EPS control unit check (update):
1. Turn the vehicle to the OFF (LOCK) mode.
2. Update the EPS control unit if it does not have the latest software.
3. Clear the DTC with the HDS.
4. Start the engine, and let it run for at least 60 seconds.
5. Check for DTCs with the HDS.
DTC Description DTC Freeze Frame 23-03 CAN Engine Speed Data Is DTC 23-03 indicated?
YES
Replace the EPS control unit .
NO
Troubleshooting is complete.