RSX L4-2.0L (2005)
Vehicle Speed Sensor: Testing and Inspection
Vehicle Speed Signal Circuit Troubleshooting
Special Tools Required
Test harness 07LAJ-PT3020A
A/T and '05 M/T models
Before testing, check the No. 9 (7.5 A) fuse in the under-hood fuse/relay box and the No. 10 (7.5 A) fuse in the under-dash fuse/relay box.
1. Start the engine and check the Malfunction Indicator Lamp (MIL).
Does the MIL come on?
YES - Check the ECM/PCM's DTC with the HDS, and recheck.
NO - Go to step 2.
2. Check the multiplex control unit DTC.
Is the DTC indicated?
YES - Troubleshoot the DTC, and recheck.
NO - Inspect the connector and socket terminals of the gauge assembly connectors. If the terminals look OK, replace the gauge assembly.