## DTC Troubleshooting: 22, 23

DTC: 22 | Vehicle Speed Sensor Signal

NOTE:

- Information marked with an asterisk (*) applies to CVT model.
- If the MIL indicator is ON, troubleshoot the PGM-FI system first.
- When the engine is running at 2, 500 rpm or above and the vehicle speed is 0 km/h (0 mph) or below for 30 seconds (with added), the EPS indicator comes on.
- When the vehicle speed is 10 km/h (6.2 mph) or above and the engine is running at 285 rpm (min-1) or below for 3 seconds, the EPS indicator comes on.

1. | Start the engine and check the tachometer. Is the tachometer working correctly? YES - Go to 2. NO - Go to 12.

2. | Test-drive the vehicle above 3 mph (5 km/h). Is the speedometer working correctly? YES - Go to 3. NO - Perform the speedometer system troubleshooting.n

3. | Turn the ignition switch OFF.

4. | Disconnect the negative cable from the battery.

5. | Disconnect the VSS 3P connector and EPS control unit connector B (14P).

6. | Check for continuity between the EPS control unit connector B (14P) terminal No. 4 and body ground. Is there continuity? YES - Repair short to body ground in the wire between the VSS and EPS control unit.n NO - Go to 7.

7. | Connect the VSS 3P connector (PGM-FI ECM/PCM connector E (31P))*.

8. | Block the rear wheels and raise the vehicle, and make sure it is securely supported.

9. | Reconnect the negative cable to the battery.

10. | Turn the ignition switch ON (II).

11. | Block the right front wheel, and slowly rotate the left front wheel, and measure the voltage between the EPS control unit connector B (14P) terminal No. 4 and body ground. Does the voltage pulse 0 V and 5 V? YES - Check for loose EPS control unit connectors. If necessary, substitute a known-good EPS control unit and recheck.n NO - Repair open or short to body ground in the wire between the EPS control unit and VSSor faulty the VSS.n

12. | Turn the ignition switch OFF.

13. | Disconnect the negative cable from the battery.

14. | Disconnect the EPS control unit connector B (14P).

15. | Reconnect the negative cable to the battery.

16. | Start the engine.

17. | Measure the voltage between the EPS control unit connector B (14P) terminal No.5 and body ground. Is there about 0 V to battery voltage? YES - Check for loose EPS control unit connectors. If necessary, substitute a known-good EPS control unit and recheck.n NO - Go to 18.

18. | Turn the ignition switch OFF.

19. | Disconnect the negative cable from the battery.

20. | Disconnect the PGM-FI ECM/PCM connector E (31P).

21. | Connect the PGM-FI ECM/PCM connector terminal E26 and body ground with a jumper wire.

22. | Check for continuity between the EPS control unit connector B (14P) terminal No.5 and body ground. Is there continuity? YES - Go to 23. NO - Repair open in the wire between the EPS control unit and PGM-FI ECM/PCM.n

23. | Disconnect the gauge assembly 30P connector.

24. | Check for continuity between the EPS control unit connector B (14P) terminal No.5 and body ground. Is there continuity? YES - Repair short to body ground in the wire between the EPS control unit and PGM-FI ECM/PCM.n NO - Check for loose EPS control unit connectors. If necessary, substitute a known-good EPS control unit and recheck.n