RSX L4-2.0L (2005)
Malfunction Indicator Lamp: Testing and Inspection
MIL Circuit Troubleshooting
1. Turn the ignition switch ON (II), and watch the MIL.
Does the MIL stay off?
YES - Go to step 16.
NO - Go to step 2.
2. Turn the ignition switch OFF.
3. Turn the ignition switch ON (II), and watch the MIL.
Does the MIL stay on for more than 20 seconds?
YES - Go to step 4.
NO - The MIL circuit is OK.
4. Turn the ignition switch OFF.
5. Connect the HDS.
6. Turn the ignition switch ON (II), and read the HDS.
Does the HDS communicate with the ECM/PCM?
YES - Go to step 7.
NO - Go to "DLC Circuit Troubleshooting".
7. Check for Temporary DTCs or DTCs with the HDS.
Are any Temporary DTCs or DTCs indicated?
YES - Go to the indicated DTC's Troubleshooting.
NO - Go to step 8.
8. Check the MIL in the DATA LIST with the HDS.
Is ON indicated?
YES - Go to step 9.
NO - Substitute a known-good gauge assembly, and recheck If the MIL circuit is OK, replace the original gauge assembly.
9. Check the SCS in the DATA LIST with the HDS.
Is a short indicated?
YES - Go to step 10.
NO - Update the ECM/PCM if it does not have the latest software, or substitute a known-good ECM/PCM, then recheck. If the
symptom/indication goes away with a known good ECM/PCM, replace the original ECM/PCM.
10. Turn the ignition switch OFF.
11. Jump the SCS line with the HDS.
12. Disconnect ECM/PCM connector E (31P).
