Honda Fit/Jazz - DTC Troubleshooting: 22, 23
DTC Troubleshooting: 22, 23
| DTC: 22 | Vehicle Speed Sensor Signal |
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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.
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| 3. | Turn the ignition switch OFF.
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| 4. | Disconnect the negative cable from the battery.
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| 5. | Disconnect the VSS 3P connector and EPS control unit connector B (14P).
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| 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.
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| 7. | Connect the VSS 3P connector (PGM-FI ECM/PCM connector E (31P))*.
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| 8. | Block the rear wheels and raise the vehicle, and make sure it is securely supported.
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| 9. | Reconnect the negative cable to the battery.
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| 10. | Turn the ignition switch ON (II).
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| 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
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| 12. | Turn the ignition switch OFF.
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| 13. | Disconnect the negative cable from the battery.
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| 14. | Disconnect the EPS control unit connector B (14P).
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| 15. | Reconnect the negative cable to the battery.
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| 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.
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| 19. | Disconnect the negative cable from the battery.
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| 20. | Disconnect the PGM-FI ECM/PCM connector E (31P).
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| 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
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| 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 |
Honda Fit/Jazz 02-05 Workshop Manual
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