S2000 L4-2.2L (2004)
5. Measure voltage between DLC terminals No. 5 and No. 7.
Is there 8.5 V or more?
YES - Go to step 10.
NO - Go to step 6.
6. Turn the ignition switch OFF.
7. Disconnect ECM connector A (32P). Make sure a scan tool or the HDS is disconnected from the DLC.
8. Check for continuity between DLC terminal No. 7 and body ground.
Is there continuity?
YES - Repair short to ground in the wire between DLC terminal No. 15 and the ECM (A21). After repairing the wire, check the DTC with a scan
tool/HDS and go to the indicated DTC's troubleshooting.
NO - Go to step 9.
9. Check for continuity between DLC terminal No. 15 and ECM terminal A21.
Is there continuity?
YES - Substitute a known-good ECM and recheck. If the symptom/indication goes away, replace the original ECM.
NO - Repair open in the wire between DLC terminal No. 7 and the ECM (A21). After repairing the wire, check the DTC with a scan tool/HDS and
