DTC 54: Valve Relay
- Turn the ignition switch to LOCK (0).
- Check the No. 2 (20 A) fuse in the auxiliary under-hood fuse box.
Is the fuse blown?
YES -Go to step 3.
NO -Reinstall the checked fuse, then go to step 7.
- Disconnect the VSA modulator-control unit 46P connector (see step 3 VSA MODULATOR-CONTROL UNIT REMOVAL AND INSTALLATION ).
- Check for continuity between VSA modulator-control unit 46P connector terminal No. 44 and body ground.Fig 1: Checking Continuity Between VSA Modulator-Control Unit 46P Connector Terminal No. 44 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES -Repair short to body ground in the wire between the No. 2 (20 A) fuse in the auxiliary under-hood fuse box and the VSA modulator-control unit. ■
NO -Install a new No. 2 (20 A) fuse in the auxiliary under-hood fuse box, then go to step 5.
- Measure the voltage between VSA modulator-control unit 46P terminal No. 44 and body ground.
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there battery voltage?
YES -Go to step 6.
NO -Repair open in the wire between the No. 2 (20 A) fuse in the auxiliary under-hood fuse box and the VSA modulator-control unit. ■
- Check for continuity between VSA modulator-control unit 46P connector terminal No. 43 and body ground.Fig 3: Checking Continuity Between VSA Modulator-Control Unit 46P Connector Terminal No. 43 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES -Go to step 7.
NO -Repair open in the wire between the VSA modulator-control unit and body ground (G302). ■
- Reconnect the VSA modulator-control unit 46P connector.
- Turn the ignition switch to ON (II).
- Clear the DTC with the HDS.
- Turn the ignition switch to LOCK (0).
- Test-drive the vehicle at 19 mph (30 km/h) or more.NOTE: Drive the vehicle on the road, not on a lift.
- Check for DTCs with the HDS.
Is DTC 54 indicated?
YES -Check for loose terminals in the VSA modulator-control unit 46P connector. Check for a loose connection at G302. If connections are good, replace the VSA modulator-control unit (see VSA MODULATOR-CONTROL UNIT REMOVAL AND INSTALLATION ) and recheck. ■
NO -Intermittent failure, the system is OK at this time. Refer to intermittent failures troubleshooting (see INTERMITTENT FAILURES ).